Repair and Diagnosis: Technical Service Bulletins

• How to Find Technical Service Bulletins by Category/Symptom
• Recalls
  • Generals
    • Campaign - Temporary Reduction of P/S Assist
    • Campaign - Door Hinge Breaks
  • Safety
    • Recall 00V189000: Steering Shaft Separation
    • Recall - Cracking Steel Wheel (Revised Labor Codes)
      • Overview
      • Vehicles Involved
      • Owner Notification and Dealer Campaign Responsibility
      • Parts Information
      • Service Procedure
      • Campaign ID Label and Claim Information
      • Owner Letter
    • Recall - Cracked Steel Wheel (Disc Date Code Missing)
    • Recall 94V041000: Wheel Defect
    • Recall 94V041001: Wheel Defect
    • Recall 94V041002: Wheel Defect
    • Recall 95V115000: Wheel Defect
    • Recall 89V102000: Cruise Control Defect
    • Recall 90V054000: Seat Belt Defect
    • Recall - Front Shoulder Belt Anchor (Revised Warranty)
    • Recall - Front Shoulder Belt Anchor
      • Overview
      • Dealer Responsibility, Owner Notification and Parts Info.
      • Service Procedure
      • Campaign ID Label and Warranty Info.
      • Owner Letter
    • Recall 88V040000: Brake Light Switch Defect
    • Recall - Secondary Hood Latch
      • Overview
      • Condition, Dealer Action, Campaign & Material, Owner Notification Information
      • Parts, Service Procedure, Campaign Label, Parts Disposition & Warranty
      • Owner Letter Information
    • Recall 88V065000: Hood Latch Defect
    • Recall - Left Front Brake Hose Defect
      • Overview
      • Defect & Vehicles Involved, Dealer Campaign & Material Information
      • Owner Notification & Information, Parts & Service Procedure Information
      • Campaign Label, Parts Disposition, Warranty & Owner Letter Information
    • Recall 88V109000: Brake Hose Defect
    • Recall 97V058000: Rear Cradle Retainer Replacement
    • Recall 88V066000: Front Control Arm
    • Recall - A/T Shift Cable Attachment Defect
      • Overview
      • Condition, Dealer Action, Vehicles Involved, Dealer Campaign & Material Information
      • Owner Notification & Change, Parts & Service Procedure Information
      • Campaign Label, Parts Disposition, Warranty & Owner Letter Information
    • Recall 88V045000: Transmission Shift Cable Defect
    • Recall - Rear Cradle Bolt Retainer Corrosion
      • Overview
      • Defect Involved
      • Vehicles Involved
      • Parts Information
      • Customer Notification
      • Dealer Campaign Responsibility
      • Service Procedure
      • Campaign Identification Label
      • Claim Information
      • Owner Letter
    • Recall - Rotary Stoplamp Switch
      • Overview
      • Service Procedure
      • Stoplamp Switch Adjustment
      • Warranty Information
• Customer Interest
  • Interior - Eliminating Unwanted Odors in Vehicles
  • Body - Broken Rear Window Defogger Grid Detection
  • Audio System - Noise When Using Portable Playback Unit
  • Tires/Wheels - Vibration Shortly After Tires Are Mounted on Rim
  • Power Steering - Fluid Leaks Due to Extreme Low Temps
  • Restraints - Seat Belt Latching Issues/Warning Lights
  • A/C - Musty Odors Emitted From (HVAC) System
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Engine - Noise In the Passenger Compartment
  • Instruments - Fuel Gauge Display
  • A/C - Odor at Start Up in Hot Humid Climates
    • Overview
    • Required Equipment:
    • Procedure:
    • Installation of Afterblow Module
    • Afterblow Module Test Procedure
    • Warranty Information:
  • A/C - Delayed A/C Cooling After Engine Start Up
  • A/C - Poor Heater Performance
  • Heater - Slow to Warm Up or Inadequate Heat
  • A/C - Lack of Heating
  • A/C - Reduced System Cooling Capacity
  • Cooling System - Fluid Fill Procedure (Overheating)
  • Fuel System - Pump Noise Heard Inside Cabin
    • Overview
    • Centurys (Coupe, Sedan, and Wagon)
    • Electras/Park Avenues and Lesabres (Coupe and Sedan)
    • 1988 Regals
  • Brakes - Reduced Pad Life/Noise/High Pedal Effort
  • A/C - Slow to Warm Up or Inadequate Heat
  • Struts, Front - New Cartridge for Leak Condition Service
  • Suspension - Rear Strut Squeak/Clunk Noise
  • Suspension - Thud Noise From Rear Strut Assembly
  • Steering - Reduced Power Steering Assist
  • Engine - Oil Leak at Rear Main Seal
  • Suspension (Rear) - Grinding/Scraping/Groaning Noises
  • Wheels - Cast Aluminum Wheel - Porosity Repairs
  • Cast Aluminum Wheels - Leaking
  • Tires - Slipping on Wheels
  • Locks - Door Lock Cylinders Bind, Sticks
  • Locks - Freezing Door Lock Cylinders
  • Doors - Front Lock Rod Rattles
  • Door Lock - High Effort to Operate Door Locks
  • Interior - Cloth Disformation
  • Seats - Seat Back Rattles At Lower Pivot Pins
  • Seats - Back Rattle at Lower Pivot Pin
  • Door and Door Glass Areas - Windnoise
  • A/T - 4T60 Oil Pan Bolt Leaks
  • A/T - TCC Engages In 2nd Gear
  • A/T - Harsh Park or Neutral/Drive/Reverse Engagement
  • A/T - 4T60 Slips/No 3rd Gear/No Drive/Reverse
  • A/T - Intermittent Delayed Upshifts
  • Battery - Dead Due to Excessive Current Draw
  • Charging System - Insufficient Charging
  • Engine Controls - Hesitation/Stored Codes 23, 25, 33, 34
  • Fuel - Tank Oil Canning/Popping
  • Fuel - High Accelerator Pedal Effort/Inop Cruise Control
  • EVAP - Fuel Sender Whistling Noise
  • Audio - Background Noise on FM Band. RFI Suppressor
  • Engine - Miss, Hesitation, or Roughness
  • Horns - Pad Extremely Sensitive
  • Fuel Pump - Popping Noise
  • Headlamp Lens - Distortion Caused by Aiming Equipment
  • I/P Background Lighting - Inoperative
  • Brakes - Parking Brake Cable Rubbing On Wheels
  • Parking Brake Cable - Squeaking Noise From Right Rear
  • Brakes - Information On Powermaster III Brake System
    • Overview
    • Condition # 1
    • Condition # 2
    • Condition # 3
    • Condition # 4
  • Stabilizer Bar, Front - Noise at Low Temperatures
  • Air Bag (SIR) On-Off Switch Kits, New Parts and Service
  • Engine - Stall After Hot Restart/Cold Start
  • Connector Terminals - Contact Checking Procedure
  • Audio - Ignition Noise In Speakers
  • Radio - Rear Speaker Box Retention to Rear Shelf
  • Horn - Blows and Sticks
  • Windshield Washer - Performance Enhancements
  • Interior - Gap Between Door Trim Switch Plate & Arm Rest
  • Paint - Door/Roof Chipping
  • Interior - Squeaks At Door to Roof
  • Trunk - Water or Dust Leaks In the Trunk Area
  • Seat Belt - Retractor Lockup
  • Wipers - Chattering Blades or Poor Wipeability
  • Door/Glass - Comes Off Track
  • Body Side Moldings - Wavy
  • Glove Box Door - Fixing Broken Latch Handle
  • Power Steering - Low Speed Shudder Condition
  • Wheels - Noisy Wire Wheel Covers
  • A/T - Delayed Neutral to Reverse Engagement
  • A/T - Delayed Drive Engagement Concern
  • A/T - 1-2 Slip or Shudder, 2nd Gear Slip, or No 2nd Gear
  • A/T - Intermittent Loss of Drive
  • A/T - No 3RD Gear (New Thrust Bearing)
  • A/T - Harsh Shift Conditions
    • Overview
    • Very Harsh Part Throttle 3-2 Shift At 20-40 MPH
    • Harsh 3-2 and/or 4-2 Shifts - 1985-90 440T4
    • Intermittent Harsh Part Throttle 3-2 Shift
    • Harsh 3-2 Shift - High Altitude Only
    • Harsh 3-2 Shift - At Low Altitude
    • Harsh 3-2 Shift Maneuver At 17-20 MPH
    • Harsh 3-2 Coastdown Bump 3.8L At 15-22 MPH
    • Harsh Upshifts - High Altitude Only
  • Audio - Poor Radio Reception, Antenna Coaxial Terminal
  • Compact Disc Players - CD Changer Loading Procedures
  • SIR - Operating Vehicle with Warning Light On
  • A/C - Cracked/Damaged Control Buttons
  • Suspension - Clunking Sound From Rear
  • A/C - Performance In High Ambient Temp & Humidity
  • A/T - 4T60/4T60E Drive Link Noise In Park/Neutral/Drive
  • Interior Trim - I/P Pad Loose From Base Carrier Assembly
  • Instrument Panel - Upper Surface Reflection
  • Engine - Diagnosing Intermittent Idle Speed Increases
  • Cruise Control - Incorrect Resume Operation
  • Windows - Power Window Inoperative
  • Paint - Removal of Minor Paint Imperfections
  • Carpet Inserts - Loose
  • A/C - Water Leaking From the HVAC Module
  • A/T - Harsh Engagement or Double Bump From P or N to R
  • A/T - Harsh Shift, Double Bump, or Shudder
  • A/T - Slipping/No Reverse/Repeat Reverse Band Distress
  • A/T - Revised End Play Specifications
  • Tilt Column - Lever Broken
  • P/S - Reduced Assist When Cold
  • P/S - Proper Fluid Usage, Do not use ATF
  • Power Steering - Reduced Assist At Low Temperatures
  • Brakes, Front - Pulsation Diagnosis, Correction, Repair
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Engine - Oil Leaks from Crankshaft Rear Main Seal
  • Engine - Oil Leaks From Front Crankshaft Seal
  • A/T - No Movement in Drive or 3rd Gear
  • Body - Marks/Stains on Windshield When Wet
  • Body - Stain/Film On Windshield Glass Perimeter
  • Tires/Wheels - Low Tire/Leaking Cast Aluminum Wheels
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
• Labor/Parts Updates
  • Brakes - Reduced Pad Life/Noise/High Pedal Effort
• Manual Updates
  • Electrical Systems - Revised Alt Fuse Name
• Recommended Repairs
  • A/C - Musty Odors Emitted From (HVAC) System
  • Door Lock - High Effort to Operate Door Locks
• Safety
  • Recall - Cracking Steel Wheel (Revised Labor Codes)
    • Overview
    • Vehicles Involved
    • Owner Notification and Dealer Campaign Responsibility
    • Parts Information
    • Service Procedure
    • Campaign ID Label and Claim Information
    • Owner Letter
• Seals, Gaskets
  • Door and Door Glass Areas - Windnoise
  • A/T - 4T60 Oil Pan Bolt Leaks
• Tools, Equipment
  • Wheels - Lug Wrench May Strip
• Superceded Bulletins
  • 10-00-89-010A - 10/19/12
  • 12-06-01-008 - 09/01/12
  • 04-06-01-029F - 09/01/12
  • 05-06-04-022H - 07/18/12
  • 04-06-04-047J - 07/18/12
  • 00-03-10-006G - 07/17/12
  • 03-03-10-007F - 07/12/12
  • 01-08-51-003A - 11/01/2010
  • 01-08-51-003 - 01/01/2010
  • 08-07-30-035A - 01/01/2010
  • 05-06-04-022F - 10/01/10
  • 06-08-64-001 - 12/01/06
  • 06-08-64-001A - 10/01/09
  • 05-03-08-002 - 12/01/05
  • 05-03-08-002A - 10/19/08
  • 05-03-08-002B - 10/01/09
  • 06-00-89-051B - 12/01/08
  • 04-08-50-006 - 06/01/04
  • 04-08-50-006A - 12/01/07
  • 00-06-01-012A - 02/08/05
  • 933E106 - 07/01/93
  • DCS88226C - 01/01/88
  • 93966C - 10/01/93
  • 9357 - 04/01/94
  • 93-6-107 - 07/01/97
  • 926102 - 10/01/95
  • 916E11 - 03/01/91
  • 91512 - 11/01/91
  • 9138 - 03/01/94
  • 913117 - 03/01/94
  • 9074407 - 02/01/90
  • 90744014 - 06/01/90
  • 9073 - 11/01/89
  • 9061 - 11/01/89
  • 9036 - 01/01/90
  • 902160 - 12/01/94
  • 8974405 - 02/01/89
  • 89613A - 03/01/90
  • 89613 - 05/01/89
  • 8917 - 04/01/91
  • 88C4 - 04/01/88
  • 88744015 - 12/01/87
  • 886E30 - 07/01/89
  • 886C2 - 04/01/88
  • 88-3-25 - 12/01/88
  • 88-6-27 - 11/01/88
  • 88-6-12 - 04/01/88
  • 87744013 - 11/01/87
  • 8787 - 12/01/86
  • 8739 - 03/01/87
  • 8674405 - 02/01/90
  • 73-90-23 - 01/01/00
  • 73-90-12 - 01/01/00
  • 631208 - 04/01/97
  • 431018 - 01/05/94
  • 40-05-01C - 10/01/99
  • 310503B - 01/12/96
  • 310503 - 01/01/95
  • 23-62-03 - 07/01/97
  • 12-92-43 - 07/01/97
  • Warranty - Expediting parts
  • Warranty - Parts Returning Program
    • Overview
    • Requests, Reminders and Debits
    • Part Preparation For Shipping
    • Warranty Core Parts
    • Hazardous Material
    • Tires
    • Campaign Parts and Special Parts Return Request
    • Repair Order Only Requests
    • Forms WPC006 and WPC005
    • Return and Method of Reimbursement
    • Dealer Feedback
    • Part Return Request Example
    • Request For Part Return/Repair Order Only/Remind. Example
    • Request For Repair Order Only Example
    • Reminders Only Example
  • Warranty - Expediting Parts
  • Parts - Expediting Information
  • Wipers/Washers - Windshield Wiper Maintenance/Cleaning
  • Wipers - Performance/Cleaning Instructions/Maintenance
  • Windshield Wipers - Performance/Cleaning and Maintenance
  • Glass/Body - Windshield Wiper Performance
  • Body - Distortion On Outer Glass Surfaces
  • Windows - Intermittent or Inoperative Window Motor
  • Lighting - Headlamp Polycarbonate Lens Damage Prevention
  • Lighting - Lamp Polycarbonate Lens Damage Prevention
  • Lights - Revised Stoplamp Switch Adjustment
  • Odometer/Speedometer - Repair Facilities
  • Body - Paint-Less Dent Repair Recommendations
  • Body - Application of Anti-Corrosion Materials
  • Body - Metal Body Panel Corrosion Protection
  • Body - Hem Flange Sealer For Corrosion Protection
  • Body - Metal Body Panel Corrosion Protection
  • Body - Metal Panel Corrosion Protection
  • Body - Hem Flange Repair
  • Body - Paint-less Dent Repair Process
  • Weatherstrips - Use of Silicone Grease for Maintenance
  • Interior - Seat Cover Wrinkle/Crease/Burn Info
  • Interior - Seat Cover Wrinkle/Crease/Crack/Burn Info.
  • Base Coat/Clear Coat Paint - Polishing Techniques
  • Locks - Key Code Security Rules And Information
  • Locks - Key Code Securtiy Rules And Information
  • Glove Box Door - Broken Latch Handle
  • Body - Exterior Emblem Discoloration/Blistering/Peeling
  • Body - Vehicle Glass Distortion Information
  • Body - Side Window Chipping Information
  • Body - Use of Silicone for Weatherstrip Maintenance
  • Body - TPO Fascia Cleaning Prior to Painting
  • Audio System - Noise When Using Portable Playback Unit
  • Audio System -Noise When Using Portable Playback Unit
  • Policy - Procedure to Handle Customer Radio Concerns
  • Audio - Radio Frequency Interference (RFI) Diagnosis
  • Radio - Frequency Interference Diagnosis
  • Cellular Phones - Operating Characteristics
  • Restraints - Availability of Seat Belt Extenders
  • Restraints - Seat Belt Warning Lamp On/Buckling Issues
  • Restraints - Seat Belt Warning Lamp On/Buckling Issues
  • Restraints - Seat Belt Operating Characteristic
  • Seat Belts - Seat Belt Extender Availability
  • Restraints - Driver/Passenger Seat Head Rest Information
  • Restraints - Driver/Passenger Seat Head Rest Information
  • Restraints - Passenger Presence System Information
  • Airbags - Disconnect Procedures
  • A/C - Broken Rear Window Defogger Grid Detection
  • Interior - Elimination Of Unwanted Odors
  • Interior - Elimination Of Unwanted Odors
  • Interior, A/C - Vehicle Odor Elimination
  • Tools - A/C Leak Detector Kit Maintenance
  • Interior - Eliminating Unwanted Odors
  • Suspension - Shock Absorber/Strut Fluid Leak Information
  • Suspension - Shock Absorber/Strut Leakage Information
  • Suspension - Thud Noise From Rear Strut Assemblies
  • Suspension - Rear Strut Thumping/Squeaking Noise
  • Recall - Control Arm to Ball Joint Attachment Defect
    • Overview
    • Defect Involved, Dealer Action, Campaign & Material & Owner Notification Information
    • Owner Change, Parts & Service Procedure Information
    • Campaign Label, Parts Disposition, Warranty & Owner Letter Information
  • Power Steering - Noise (Illustrated Bleed Procedure)
  • Electrical - Information For Electrical Ground Repair
  • Electrical - Information For Electrical Ground Repair
  • Electrical - Information For Electrical Ground Repair
  • Electrical - Information For Electrical Ground Repair
  • Audio System - Portable Audio Equipment Noise
  • Locks - KeyCode Security Rules and Information
  • Locks - Key Code Security Rules and Information
  • Locks - Key Code Security Rules and Information (CANADA)
  • Brakes - Pedal Effort
  • Rear Brake Caliper - Service Procedure
  • Drivetrain - Clunk Noise Shifting From PARK Into Gear
  • A/T - DEXRON(R)-VI Fluid Information
  • Drivetrain - Clunk Noise Shifting From PARK Into Gear
  • Drivetrain - Driveline Clunk Information
  • Manual Transmission - M/T Operating Characteristics
  • M/T - Operating Characteristics
  • M/T - Operating Characteristics of Manual Transmissions
  • M/T - Normal Operating Characteristics
  • Drivetrain - Axle Lubricant Recommended
  • A/T - Clunk When Shifting From PARK/DRIVE/REVERSE
  • Automatic Transmission - Service Procedure Change
  • A/T - Service Procedure
  • A/T - Fluid Oil Cooler Flush
  • Automatic Transmission - Fluid Cooler Flushing
  • A/T - Oil Cooler Flushing and Flow Check Procedures
    • Overview
    • Equipment Needed
    • Preparation
    • Initial/Back Flush
    • Flow Check
    • Clean-Up
  • A/T - Oil Cooler Flushing/Flow Check
    • Overview
    • Cooler Flushing and Flow Check Steps
    • Equipment Needed
    • Preparation
    • Initial Flush
    • Back Flush
    • Flow Check
    • Clean-Up
  • A/T - Grinding/Growling In PARK On An Incline
  • A/T - 2-3 Upshift or 3-2 Downshift Clunk Noise
  • Fuel System 'TOP TIER' Detergent Gasoline Information
  • Fuel System - GM Fuel System Treatment PLUS(R) Info.
  • Vehicle - Factors That Affect Fuel Economy
  • Fuel System - Maintenance Cleaning of Fuel Injectors
  • Fuel System - 'TOP TIER' Detergent Gasoline Information
  • Fuel System - TOP TIER Detergent Gasoline (Canada)
  • Fuel System - TOP TIER Gasoline Usage (Canada)
  • Fuel System - TOP TIER Detergent Gasoline Usage
  • Fuel System - TOP TIER Detergent Gasoline
  • Fuel System - GM Fuel System Treatment Plus(R)
  • Fuel System - TOP TIER Gasoline Information (Canada)
  • Fuel System - TOP TIER Gasoline Information
  • Fuel System - E85 Fuel Usage Information
  • Fuel System - Fuel System Treatment PLUS(R)
  • Engine Controls - Aftermarket Accessory Usage
  • Engine Controls - Aftermarket Accessory Usage
  • Engine Controls - Aftermarket Accessory Usage
  • Cooling System - Approved Coolant Recycling Processes
  • A/C - Servicing of Aluminum Heater Cores/Radiators
  • A/C - Aluminum Heater Core and/or Radiator Replacements
  • Vehicle - Engine Crankcase and Subsystems Flushing Info.
  • Vehicle - Engine Crankcase and Subsystems Flushing Info.
  • Vehicle - Engine/Subsystem Flushing Recommendations
  • Engine - Use of 'Surface Conditioning Disks'
  • Engine - Crankcase Flushing Information
  • Engine - Sealant Usage/procedures
  • Engine - Surface Conditioning Disc Usage Prohibition
  • Engine - Sealant Usage Recommendations
  • Gasket Surfaces - Use of Surface Conditioning Discs
  • Oil - Normal Oil Consumption
  • Engine - Oil Leaks From Crankshaft Rear Main Seal
  • Engine - Rear Crankshaft Main Seal Oil Leaks
  • Engine - Oil Leaks From The Rear Main Seal
  • Engine - Rear Main Seal Oil Leakage
  • Engine - Rear Main Seal Oil Leaks
  • Engine - Rear Crankshaft Seal Oil Leaks
  • Engine - Intake Manifold Inspection/Replacement
  • Intake Manifold - Inspect/Replace After Engine Damage
  • Engine/Fuel - Additive Information
  • Manual Transmission - Operating Characteristics
  • Fuel System - Fuel Injector Maintenance Cleaning
  • Chrome Wheels - Chemical Staining Precautions
  • Aluminum Wheel - Refinishing Recommendations
  • Chrome Wheels - Chemical Staining
  • Aluminum Wheels - Low Tire Pressure Condition
  • Wheels/Tires - Slow Leaks From Aluminum Wheels
  • Wheels - Aluminum Wheel Refinishing Recommendations
  • Tires - Puncture Repair Procedure
  • A/T - Fluid Cooler Flushing
  • Coolant - Current Information on Propylene Glycol Blend
  • Coolant - Use of Propylene Glycol Based Blend
  • Engine Coolant - Approved Recycling Processes
  • Engine Coolant - Information
  • Cooling System - DEX-COOL(R) Coolant Usage Information
  • Cooling System - DEX-COOL(R) Coolant Information
  • A/T - DEXRON III(R) (H-Revision) Specification Upgrade
  • A/T - DEXRON(R) VI Fluid Availability
  • Tires/Wheels - Low Tire Pressure With Aluminum Wheels
  • Tires/Wheels - Nitrogen Gas Usage for Filling Tires
  • Engine - Unnecessary Flushing Services
  • Wheels Chrome Wheel Chemical Staining/Pitting/Corrosion
  • Wheels - Changing Procedures/Precautions
  • Wheels - Pitting/Brake Dust On Chrome Wheels
  • Tires - Original Equipment Tire Characteristics
  • Tires - Inflation Pressure Information
  • Tires - Tread Puncture Repair Procedures
  • Tires - Radial Force Variation (RFV) Information
  • Wheel Alignment - Recommendations/Requirements
  • Tires - Proper Tire Pressure Information
  • Tires - Proper Inflation Pressure Information
  • A/T - DEXRON-VI(R) Fluid Availability
  • Wheels/Tires - 'Upsized' Wheel And Tire Information
  • Tires - Proper Inflation Pressure Info.
  • Engine - Noise Damage Caused By The Oil Filter
  • Engine - Internal Noise/Damage After Oil Filter Change
  • Tires - Information on Proper Tire Pressure
  • Wheel/Tire - Upsized Wheel/Tire Performance Info.
  • Tires/Wheels - Vibration/Balance/Shake/Flat Spotting
  • Tires/Wheels - Tire Inflation Pressure Information
  • Tires - (RFV) Radial Force Variation Information
  • Tires - Tire Puncture Repair Procedures
  • Tires - Nitrogen Gas Usage
  • Wheels/Tires - Changing Tire and Wheel Assemblies
  • Wheels/Tires -Low Tire Pressure
  • Engine - Accessory Drive Belt Noise Diagnostics/Tool
  • Wheels/Tires - Accessory Wheel/Tire Mounting/Balancing
  • Wheels/Tires - Chrome or Chrome Plated Steel Valve Caps
  • Alignment - Specifications/Requirements/Recommendations
  • Tires - Radial Force Variation (RFV) Info.
  • Tire - Use Of Nitrogen Gas In Tires
  • Tires - Correct Inflation Pressure Information
  • Wheels/Tires - Original Equipment Characteristics
  • Wheels/Tires - Tire Puncture Repair Procedures
  • Wheels/Tires - Low Tire Pressure
  • Wheels/Tires - OE Tire/Wheel Characteristics
  • Wheels/Tires - Low Tire Pressure/Aluminum Wheels Leak
  • Wheel - Refinishing Aluminum Wheels
  • Tires - Tire Radial Force Variation (RFV)
  • Wheels - Chrome Wheel Staining/Pitting/Corrosion
  • Wheels/Tires - Use of Nitrogen Gas in Tires
  • Wheels/Tires - Tire Radial Force Variation (RFV)
  • Engine - GM Dexos 1(R) and Dexos 2(R) Oil Specifications
  • Wheels - Chrome Wheel Staining/Pitting/Corrosion
  • Tires/Wheels - Information on Tire Radial Force Variation (RFV)
  • Engine Controls - Driveability/Codes 23, 25, 33 or 34
• All Technical Service Bulletins
  • Interior - Eliminating Unwanted Odors in Vehicles
  • Locks - Key Code Security Rules, Key Code Look Up
  • Vehicle - Engine And Sub Systems Flushing Info. (CANADA)
  • Vehicle - Engine And Sub-Systems Flushing Recommendations
  • Wheels/Tires - Use Of Nitrogen Gas In Tires
  • Tires - Information On Proper Tire Pressure
  • Engine - THIS BULLETIN HAS BEEN CANCELED
  • Fuel System - TOP TIER Detergent Gasoline
  • Tires/Wheels - OE Tire Shake/Vibration Information
  • Suspension - Shock Absorber/Strut Fluid Leak Information
  • M/T - Operating Characteristics Information
  • Brakes - Resurfacing Park Brake Portion of Rear Brake Rotor
  • Body - Hem Flange Sealer For Corrosion Protection
  • Engine - Intake Manifold Inspection/Replacement
  • Body - Metal Body Panel Corrosion Protection
  • Fuel System - GM Fuel System Treatment PLUS(R) Info.
  • Body - Broken Rear Window Defogger Grid Detection
  • Fuel System - Fuel Injector Maintenance Cleaning
  • Audio - Inadvertent Steering Wheel Button Activation
  • Audio System - Noise When Using Portable Playback Unit
  • Tires/Wheels - Vibration Shortly After Tires Are Mounted on Rim
  • A/T - Fluid Oil Cooler Flow Test
  • Power Steering - Fluid Leaks Due to Extreme Low Temps
  • Lighting - Lamp Polycarbonate Lens Damage Prevention
  • Restraints - Seat Belt Latching Issues/Warning Lights
  • Body - Side Window Chipping Information
  • Restraints - Driver/Passenger Seat Head Rest Information
  • Engine - Use of 'Surface Conditioning Disks'
  • Body - Application of Anti-Corrosion Materials
  • A/T - 2-3 Upshift or 3-2 Downshift Clunk Noise
  • A/C - Musty Odors Emitted From (HVAC) System
  • A/T - Slight Vehicle Movement In Park At Start Up
  • A/T - DEXRON(R)-VI Fluid Information
  • Wheels/Tires - Refinishing Aluminum Wheels
  • Lighting - Exterior Lamp Condensation and Replacement
  • Electrical - MIL ON/DTC's Set By Various Control Modules
  • Steering/Suspension - Wheel Alignment Specifications
  • Warranty - Claims Submission
  • Insolation Diodes - Replacement Information
  • Warranty - Goodwrench Service Lifetime Service Guarantee
  • Warranty - GM Dealer Parts Procurement
  • Warranty - Notice of Delayed Start Process
  • Warranty - Parts Warranty Special Claims B and C
    • Overview
    • Claim Type B - Dealer Parts and Accessories Warranty
    • Claim Type C - GM Goodwrench Service Plus Claim
  • Warranty - Request for Wholesale Authorization
  • Warranty Inquiry System
  • VIN Plate - Replacement Policy and Procedure
  • Warranty - GM Dealer Empowerment Program
    • Overview
    • Program Intent /Responsibility
    • Making Decisions
    • Identifying the Facts/Partial- Shared Responsibilities
    • Empowerment Information
    • Monitoring
    • Retail Use of Authorization Codes
      • Code A
      • Code B
      • Code E
      • Code G
      • Code P
    • Documentation Requirements
  • Labor - Revised Operation Z1241/Personal Property Damage
  • Warranty - Repair/Replace Policies & Procedures
  • Parts Expediting - Reimbursement Policy
    • Overview
    • Recommended Parts Expediting Procedure
    • Claim Submission
    • Claim Type Compatibility
  • Warranty - Enhanced Sublet Repair Policy
  • Warranty - Required Claim Submission Procedures
  • Warranty - Repair and Claims Procedures
    • Overview
    • Certified Dealer Service Management empower./repair approval
    • Customer Satisfaction
    • Dealer Repair Options
    • Coverage Guidelines/GM Certified Used Vehicle Coverage
    • Warranty Coverage - Cause of Failure
    • GM Certified Used Vehicle Warranty Verification
    • Warranty Administration
    • Courtesy Transportation
    • Campaigns
    • Dealer Reimbursement Guidelines (Warranty Claims Submission)
    • Customer Reimbursements
    • Warranty Repairs on Used Vehicles In Inventory
    • Reconditioning
    • Inspection and Warranty Repairs
    • Buy-Back Vehicles
    • Diesel Engine Repairs/Deductible
    • Corrosion Protection and Emissions Warranties
    • U.S. Touring Owner Service
  • Warranty - Claim Processing
  • Warranty - Claims Processing
  • Warranty Information Network System - Stage 2
  • Vehicle - Use of a Diagnostic Worksheet
  • GM Campaign Identification Label
  • Vehicle - AC Delco Locator Service, Electronics Exchange
    • Overview
    • Instrument and Display Service Centers
  • Electrical - Wiring Repair Temp Range Precaution
  • Campaign - Product Bulletin Numbering System
  • Parts - Expediting Procedures
  • Glass - Adhesive Caulking Kit Revisions
  • Engine - Noise In the Passenger Compartment
  • Warranty - Corporate Parts Return Program
  • Electrical - Updated Lighting/Radio Schematics
  • I/M 240 Repairs - Obtaining Technical Assistance
  • Brake Fluid - Level And Filling Recommendations
  • Instruments - Fuel Gauge Display
  • Electrical - Instrument Panel And General Wiring Repair
  • A/C - Leak Test
  • A/C - Odor at Start Up in Hot Humid Climates
    • Overview
    • Required Equipment:
    • Procedure:
    • Installation of Afterblow Module
    • Afterblow Module Test Procedure
    • Warranty Information:
  • A/C - Performance Check
  • A/C - R134A Refrigerant Information
  • A/C - CFC Reduction & Refrigerant Recovery/Recycling
  • A/C Refrigerant - Contamination
  • A/C - Delayed A/C Cooling After Engine Start Up
  • A/C - Poor Heater Performance
  • Heater - Slow to Warm Up or Inadequate Heat
  • A/C - Lack of Heating
  • Tools - A/C Leak Detector Maintenance Kit Availability
    • Overview
    • Service Procedure
  • A/C - Systems With R12 Or R134a Service Issue
    • Overview
    • R12 System Retrofitting to R134A
    • Servicing R134A Retrofitted Vehicle Systems
    • R12 and R134A Refrigerants Are Not Interchangeable
    • J 41810 Pureguard 2 R134A Refrigerant Monitor
    • Summarizing GM's A/C Service Recommendations
  • A/C - Retrofitting R-12 to R-134a
    • Overview
    • A. Retrofit Procedure
      • Notes on Retrofit
      • Compressors
      • Accumulator /Dryer
      • High Pressure Cut-Off Switch (HPCOS)
      • Platform Details
      • Compressor Replacement Chart
      • Compressor Availability
      • Geo Models
      • 1985-88 Nova, 1989-93 Prizm (S)
      • 1985-88 Sprint, 1989-93 Metro (M)
      • 1989-93 Tracker
      • 1985-89 Spectrum and 1990-93 Storm (R)
    • B. General Information
    • C. Parts Information
    • D. Warranty Information
  • A/C - Tool And Equipment Maintenance
  • A/C - PureGuard 2 Operating Alert
    • Overview
    • Refrigerant Recovery
    • Oil Injection and Refrigerant Charging
    • Additional ACR4 Operation and Maintenance Tips
    • Tank-to-Tank Refrigerant Transfer
    • Excess Air In Tank
    • Pureguard 2 Error Codes
    • Active Flow Control
  • Interior - Water Leaks in Dash or Heater Duct Area
  • A/C - Reduced System Cooling Capacity
  • Steering - Identifying Rack and Pinion Noises
  • P/S - Updated Pressure Test Procedure
  • P/S - Revised Pressure Test
  • A/T & M/T - AC Delco Remanufactured Transmissions
    • Overview
    • Warranty Coverage
    • Warranty Claim Submission Procedures
  • ACDelco(R) Remanufactured Transmissions - Program Update
    • Overview
    • Warranty Coverage
    • New Warranty Registration
    • Warranty Claim Submission Procedures
  • Engine - Update, Removing Hood for Clearance
  • Engines - ACDelco Remanufactured
    • Overview
    • Warranty Coverage
    • Warranty Claim Submission Procedures
  • Engine - Surface Conditioning Discs Precautions
  • Engine - AC Delco Remanufactured Engines
    • Overview
    • Warranty Coverage
    • New Warranty Registration
    • Warranty Claim Submission Requirements
    • Claim Submission Details
  • Cooling System - Fluid Fill Procedure (Overheating)
  • Fuel System - Pump Relay Location
  • Engine Controls - Closed Throttle TPS Specifications
  • Tools - Ground Simulation for IAC Driver
  • Steering - System Bleed Procedures
  • Fuel System - Pump Noise Heard Inside Cabin
    • Overview
    • Centurys (Coupe, Sedan, and Wagon)
    • Electras/Park Avenues and Lesabres (Coupe and Sedan)
    • 1988 Regals
  • Fuel - Pump Replacement Caution, Strainer
  • Brakes - Reduced Pad Life/Noise/High Pedal Effort
  • A/C - System Description & Diagnostic Procedure
  • A/C - New Compressor Sealing Washer
  • A/C Compressor Shaft Nut - Removal (Discontinued)
  • A/C Compressor Seal Washer - Reference Chart
  • A/C - Slow to Warm Up or Inadequate Heat
  • Struts, Front - New Cartridge for Leak Condition Service
  • Suspension - Rear Strut Squeak/Clunk Noise
  • Suspension - Thud Noise From Rear Strut Assembly
  • Suspension - Shock Absorber/Strut Replacement Guidlines
  • Wheel - Hub/Bearing Mounting Bolt Torque Specifications
  • Tie Rod, Outer - Recommended Inspection Procedure
  • Campaign - Temporary Reduction of P/S Assist
  • Steering - Power Rack & Pinion Gear Service Information
  • Steering - Split Rings For Rack and Pinion
  • Steering - Reduced Power Steering Assist
  • Recall 00V189000: Steering Shaft Separation
  • Engine - Updated Intake & Exhaust Pushrod Identification
  • Cooling - Radiator Repair/Replacement Guidelines
  • Engine - Oil Leak at Rear Main Seal
  • A/C Module/Mode Valve Actuator - Manual Update
  • Engine - Oil Cooler Leaks
  • Suspension, Rear - New Auxiliary Spring, Tool & R&R
    • Overview
    • Procedure
    • Upper and Lower Auxiliary Spring Bracket
      • Overview
      • Stabilizer Shaft Front Insulator
      • Rear Rod
        • Overview
        • Knuckle Assembly
          • Overview
          • Strut Assembly
  • Suspension (Rear) - Grinding/Scraping/Groaning Noises
  • Aluminum Wheel - Coated Wheel Weights
  • Wheels - Cast Aluminum Wheel - Porosity Repairs
  • Wheels (Aluminum) - Coated Balance Weight Usage
  • Wheels - Installation of After Market Styled Wheels
  • Cast Aluminum Wheels - Leaking
  • Wheels - Sealing Leaking Cast Aluminum
  • Tire/Wheel - Match Mounting Not Required
  • Tires - Slipping on Wheels
  • Wheels - Nylon Coated Wheel Weights
  • Wheels - Updated Maximum Lateral Runout Specification
  • Wheels - Clear Coat Scratch Removal
  • Recall - Cracking Steel Wheel (Revised Labor Codes)
    • Overview
    • Vehicles Involved
    • Owner Notification and Dealer Campaign Responsibility
    • Parts Information
    • Service Procedure
    • Campaign ID Label and Claim Information
    • Owner Letter
  • Recall - Cracked Steel Wheel (Disc Date Code Missing)
  • Recall 94V041000: Wheel Defect
  • Recall 94V041001: Wheel Defect
  • Recall 94V041002: Wheel Defect
  • Recall 95V115000: Wheel Defect
  • Warranty - OE Chrome Plated Aluminum Wheel ID
  • Lug Wrench Socket and Jack Handle - Revised
  • Wheels (Steel) - Proper Changing Procedure
  • Tires - Speed Rated Information
  • Wheels - Lug Wrench May Strip
  • Locks - Door Lock Cylinders Bind, Sticks
  • Locks - Freezing Door Lock Cylinders
  • Doors - Front Lock Rod Rattles
  • Door Lock - High Effort to Operate Door Locks
  • Windows - Revised Front Door Regulator Motor Replacement
  • Window Regulator Motor - Procedure Revision
  • Interior - Cloth Disformation
  • Seats - Seat Back Rattles At Lower Pivot Pins
  • Seats - Back Rattle at Lower Pivot Pin
  • Leather Seat Covers - Cleaning Procedure
  • Door and Door Glass Areas - Windnoise
  • Webasto Sunroof System - Information Hotline
  • Tools - Tilt Steering Column Spring Removal
  • Steering - Column Repair Update
  • A/T - 4T60 Oil Pan Bolt Leaks
  • A/T - New Bottom Pan & Controlled Compression Gasket
  • A/T - Update Bottom Pan and Gasket
  • A/T - New Final Drive Assembly/Output Shaft/Sun Gear
  • A/T - Transaxle Oil Filter Differences
  • A/T - TCC Engages In 2nd Gear
  • A/T - Harsh 3-2 Downshifts
    • Overview
    • IA. Very Harsh Part Throttle 3-2 Shift At 20-40 MPH
    • IB. Harsh 3-2 and/or 4-2 Shifts
    • IC. Intermittent Harsh Part Throttle 3-2 Shift
    • Harsh 3-2 Shift **High Altitude Only**
    • Harsh 3-2 Shift Low Altitude Only
    • Harsh 3-2 Shift Maneuver At 17-20 MPH
    • Harsh 3-2 Coastdown Bump At 15-22 MPH
    • Harsh Upshifts - High Altitude Only
  • A/T - Harsh Park or Neutral/Drive/Reverse Engagement
  • A/T - 4T60 Slips/No 3rd Gear/No Drive/Reverse
  • MAP - Revised Chart C-1D, DTC's 33, 34, 63, 64
  • A/T - Intermittent Delayed Upshifts
  • Tools - New Fuel Injection Tester
  • Tools - Introduction Of The Fuel Injector Tester
  • Multec Port Fuel Injectors - Cleaning
  • Engine Controls - Intermittent ECM Connection
  • Oxygen Sensors - Silica Contamination
  • Vehicle Speed Sensor - Revised Diagnostic Information
  • Engine Controls - Updated Vehicle Speed Sensor Test
  • Wheel Hub - Revised Hub/Bearing Removal and Install
  • Caliper, Rear - Service Procedure and New Tools
  • Brakes - Rear Caliper Service Procedure (Revised)
  • Brakes - New Restricted Brake Fluid Passage Diagnosis
  • Battery - Revised Ammeter Connecting (Parasitic Drain)
  • Battery - Adding a Heat Shield
  • Battery - Dead Due to Excessive Current Draw
  • Battery - Diagnosis and Charging
    • Overview
    • I.Battery Storage In Vehicle
    • II. Warranty Policy
    • III. Testing the Battery
    • IV. Diagnosing Discharged Batteries and Parasitic Battery Drains
    • V.Battery Charging
  • Battery - Use High Charger Setting to Recharge
  • Updated Battery Replacement Catalog Numbers
  • Warranty - New Vehicle/Replacement Battery
    • Overview
    • New Vehicle Receiving and Inspection
    • Battery Protection During Vehicle Storage
    • Battery Warranties
    • Battery Replacement/Warranty Claim Submission Procedures
  • Battery - Insulator Replacement & Caution
  • Tools - Released for CS Generator Diagnosis
  • Charging System - Insufficient Charging
  • Campaign - A/T Neutral Switch Wiring Harness Chafing
    • Overview
    • Condition, Dealer Action, Vehicles Involved, Dealer Action & Owner Notification Information
    • Dealer Campaign, Parts & Service Procedure Information
    • Campaign Label, Parts Disposition, Warranty & Owner Letter Information
  • Starting - Revised Neutral Start Switch Replacement
  • Engine Controls - Crankshaft Sensor R&R Precaution
  • Engine Controls - Revised Diagnostic Chart A3, No Start
  • Engine Controls - Hesitation/Stored Codes 23, 25, 33, 34
  • Computers/Controls - New Mem-Cal Install Procedure
  • Fuel - Revised Throttle Body/Fuel Rail Torque
  • Fuel - Feed/Return Pipe Repairs
  • Fuel - Tank Oil Canning/Popping
  • Fuel - Service Manual Corrected Tank R&R
  • Fuel - High Accelerator Pedal Effort/Cruise Inoperative
  • Fuel - High Accelerator Pedal Effort/Inop Cruise Control
  • EVAP - Fuel Sender Whistling Noise
  • Emmision - Catalytic Converter With Shield Attachment
  • No MIL Diagnostic Chart A-1 Revision
  • Windows - Intermittent or Inoperative Window Motors
  • Electric Mirror Motor - Service Procedure
  • Cruise Control - Intermittent Operation
  • Recall 89V102000: Cruise Control Defect
  • Audio - Background Noise on FM Band. RFI Suppressor
  • Audio - Radio Frequency Interference (RFI) Diagnosis/ID
    • General Information
    • Questionnaire
    • RFI Determination and Identifying Chart
    • RFI Diagnostic Chart
    • Chart A
    • Chart B
    • Chart C
  • Seat Belt - New Guide Loop Nut & Spacer Part Number
  • Recall 90V054000: Seat Belt Defect
  • Automatic Safety Belts/Child Seat - Installation
  • Recall - Front Shoulder Belt Anchor (Revised Warranty)
  • Recall - Front Shoulder Belt Anchor
    • Overview
    • Dealer Responsibility, Owner Notification and Parts Info.
    • Service Procedure
    • Campaign ID Label and Warranty Info.
    • Owner Letter
  • Lap/Shoulder Belts - Dealer Installed Rear Kits
  • IP Dimmer Control - Proper Setting
  • Oil Filter (75 mm) - Proper Installation
  • Engine - Recycling Used Oil Filters
  • Disc Brakes - Service Information
  • Brakes - Rotor Service Procedure (Required Tool)
  • Tools - On-Vehicle Brake Lathe Cutting Tips
  • Brakes - Updated Minimum Rotor Thickness
  • Brakes - Rotor & Hub Flange Cleaning Tool Revision
  • A/C System - Refrigerant Loss Prevention
  • Engine - Miss, Hesitation, or Roughness
  • Starting System - Starter Replacement
  • Horns - Pad Extremely Sensitive
  • Fuel Pump - Popping Noise
  • Odometer/Speedometer - ACDelco Service Center Locations
  • Headlamp Lens - Distortion Caused by Aiming Equipment
  • I/P Background Lighting - Inoperative
  • Stoplamp Switch - Revised & Includes Service Procedure
    • Overview
    • Procedure:
    • Stoplamp Switch Adjustment
  • Recall 88V040000: Brake Light Switch Defect
  • Brakes - Parking Brake Cable Rubbing On Wheels
  • Parking Brake Cable - Squeaking Noise From Right Rear
  • Anti-Lock Brake - Aftermarket Products Usage Precaution
  • Brakes - Updated ABS Diagnostic Chart
  • Brakes - Delco Moraine ABS Use on Some Models
  • Brakes - Tech 1 ABS Cartridge Exchange Program
  • Brakes - Information On Powermaster III Brake System
    • Overview
    • Condition # 1
    • Condition # 2
    • Condition # 3
    • Condition # 4
  • Stabilizer Bar, Front - Noise at Low Temperatures
  • Steering - New Column Lock Mechanism Explained
  • Steering Wheel - Removal With SIR or Redundant Controls
  • Suspension - Chassis Underbody Noise Diagnosis & Summary
    • Overview
    • A Squeak/Squawk/Itching Noise
    • B Thud/Clunk Noise
    • (C) Rattle Noise
    • D Oil Canning/Popping Noise
    • E Creak/Groan Noise
  • Underbody Dimensions - Manual Update
  • Body - Sealer Tape For Collision Repairs
  • Interior - Rattle/Buzz From I/P During Braking
  • Accessories (Aftermarket) - Installation Guidelines
  • Air Bag (SIR) On-Off Switch Kits, New Parts and Service
  • Airbags - Frontal (SIR) ON-Off Switch Kits, Parts/Procs
    • Overview
    • Switches, Display Light, Wiring Connections
    • Parts/Warranty Information
  • Emissions Testing Vehicle Preconditioning
  • Enhanced IM240 Program - Implementation Plan
  • Emission - Enhanced Inspection Maintenance Programs
  • I/M 240 Program - Equipment Purchase
  • I/M Emissions Diagnostic Manual -Program
  • Enhanced Emission I/M - Program Update
  • Enhanced Emission Inspection Maintenance - Equipment
  • EVAP System - Service of Connectors
  • Engine - Stall After Hot Restart/Cold Start
  • Code 43 - Service Manual Update
  • Engine Controls - Revised Chart C-8A & C-8C, TCC
  • Engine Controls - Damage to Wiring Terminals
  • Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
  • Connector Terminals - Contact Checking Procedure
  • Recall - Secondary Hood Latch
    • Overview
    • Condition, Dealer Action, Campaign & Material, Owner Notification Information
    • Parts, Service Procedure, Campaign Label, Parts Disposition & Warranty
    • Owner Letter Information
  • Recall 88V065000: Hood Latch Defect
  • Audio - Ignition Noise In Speakers
  • Radio - Rear Speaker Box Retention to Rear Shelf
  • Horn - Blows and Sticks
  • Windshield Washer - Performance Enhancements
  • Campaign - Door Hinge Breaks
  • Interior - Gap Between Door Trim Switch Plate & Arm Rest
  • Door - Broken or Binding Door Hold Open Check Links
  • Paint - Door/Roof Chipping
  • Interior - Squeaks At Door to Roof
  • Trunk - Water or Dust Leaks In the Trunk Area
  • Seat Belt - Retractor Lockup
  • Seat Belts - Child Seat Installation W/ Automatic Belts
  • Child Restraint - Auxiliary Seat Belt
  • Windshield - Revised Reveal Moldings R&R
  • Windshield - Two-Part Urethane Adhesive For Installation
  • Wipers - Chattering Blades or Poor Wipeability
  • Door/Glass - Comes Off Track
  • Body Side Moldings - Wavy
  • Glove Box Door - Fixing Broken Latch Handle
  • Interior - Updated Glove Box Door Handle Due to Breakage
  • Cooling System - Reconstituted Antifreeze
  • Coolant - Information on Propylene Glycol Usage
  • Warranty - Recycled Engine Coolant Policy
  • Engine Coolant - Substitutes Not Recommended
  • Reconstituted Antifreeze - Coolant Testing
  • Power Steering - Low Speed Shudder Condition
  • Recall - Left Front Brake Hose Defect
    • Overview
    • Defect & Vehicles Involved, Dealer Campaign & Material Information
    • Owner Notification & Information, Parts & Service Procedure Information
    • Campaign Label, Parts Disposition, Warranty & Owner Letter Information
  • Brakes - Left Front Hose May Be Misidentified
  • Recall 88V109000: Brake Hose Defect
  • Wheels - Noisy Wire Wheel Covers
  • A/T - Delayed Neutral to Reverse Engagement
  • A/T - Delayed Drive Engagement Concern
  • A/T - New 2nd Gear Clutch Piston Seal
  • A/T - Revised Bearing and Clutch (Increases Lubrication)
  • A/T - THM 440T4/4T60E New Clutch Plates
  • A/T - Revised Direct Clutch Housing
  • A/T - New Input Clutch and 3rd Clutch Seal Installers
  • A/T - 4T60/4T60E 3rd Clutch Plate Identifier Markings
  • A/T - 1-2 Slip or Shudder, 2nd Gear Slip, or No 2nd Gear
  • A/T - 440T4 Improved Second Clutch Inner Lip Seal
  • A/T - 440T4 3rd Clutch Plate Change
  • A/T - THM440-T4 New Product Information
    • Overview
    • New Manual Shaft Information
    • New Reverse Reaction Drum Information
    • New 3RD Clutch Wave Plate Information
    • New 2ND Clutch Switch Information
    • New Inside Detent Lever, Spring & Roller Assembly Information
  • A/T - Drive Link Wear Specification Revised
  • A/T - Intermittent Loss of Drive
  • A/T - New R&R Final Drive Pinion Gear Washers & Sun Gear
  • A/T - No 3RD Gear (New Thrust Bearing)
  • A/T - Harsh Shift Conditions
    • Overview
    • Very Harsh Part Throttle 3-2 Shift At 20-40 MPH
    • Harsh 3-2 and/or 4-2 Shifts - 1985-90 440T4
    • Intermittent Harsh Part Throttle 3-2 Shift
    • Harsh 3-2 Shift - High Altitude Only
    • Harsh 3-2 Shift - At Low Altitude
    • Harsh 3-2 Shift Maneuver At 17-20 MPH
    • Harsh 3-2 Coastdown Bump 3.8L At 15-22 MPH
    • Harsh Upshifts - High Altitude Only
  • A/T - Service Replacement Transaxle Assembly SRTA Update
  • A/T - Core Return Product Feedback Form
  • A/T - On Vehicle Service Procedures
  • A/T - 440T4 Buzzing Noise
  • A/T - 440T4 Improved Shift Feel/2nd Clutch
  • A/T - 4T60/440T4 Changes For 1988
  • A/T - Late 1988 GM 4T60/440T4 Changes
  • A/T - 440T4 Input Sprag Replacement
  • A/T - 440T4 2-3 Bind-Up/Slips
  • A/T - 440T4 Wiring Schematics
  • A/T - Engine Vacuum Testing
  • A/T - Diagnosing Converter Lock-Up Problems
    • Overview
    • Test # 1 - Checking For 12 Volts at Terminal -A-
      • Regular Method
      • Quick Method
    • Test # 2 - Checking For 12 Volts Across Fuse
    • Test # 3 - Checking For 12 Volts Across Brake Switch
    • Test # 4 - Adjusting/Replacing the Brake Switch
    • Test # 5 - Checking Wires For Shorts and Opens
    • Test # 6 - Checking For Ground at Terminal -D-
      • Regular Method
      • Quick Method
    • Test # 7 - Grounding the -D- Wire
      • Regular Method
      • Quick Method
    • Test # 8 - Checking Cooler Line Pressure or Surge
    • Test # 9 - Checking the Solenoid
    • Test # 10 - Checking Electrical Switches on Trans.
    • Test # 11 - Checking Lockup Apply Valve
    • Test # 12 - Checking Signal Oil Circuit
    • Test # 13 - Checking the Computer
  • A/T - 440T4 No Line Pressure Rise
  • A/T - Early Upshift/No Kickdown
  • A/T - 440T4/4T60 Spacer Plate Matching
  • A/T - How To Use A Pressure Gauge
  • A/T - 440T4 Harsh 3-2 Detent Downshift
  • A/T - AXOD/E 44T4's and 125's Chain Stretch
  • A/T - 440T4 No Second Clutch Switch
  • A/T - 440T4 Channel Plate Gasket Blow-Out
  • A/T - 440T4 No Upshift/Wrong Gear
  • A/T - THM Late or No Upshifts
  • A/T - 440T4 Coast-Down Clunk
  • A/T - Drive Axle and Wheel Lug Nut Torque Specifications
  • A/T - 440T4/4T60 Late or No Upshift
  • A/T - No Converter Clutch Apply When Unit Is Hot
  • A/T - Converter Clutch Shudder
  • A/T - 125C, 440T4 No Upshift
  • A/T - Slipping or No-Shift/Metal Sealing Rings
  • A/T - Front Bushing Wear
  • A/T - 440T4 Slips Or No Movement Forward
  • A/T - 440T4 Converter Regulator Valve
  • A/T - 440T4 Blowing Fuses
  • A/T - 440T4 Plastic Oil Lube Dam
  • A/T - 440T4 Bind-Up In All Gears
  • A/T - Sprag Rotation
  • A/T - 440T4 TCC Applies With 1-2 Upshift
  • A/T - 440T4 Converter Regulator Spring Update
  • A/T - 440T4 Lock Up And Cruise Control Problems
  • A/T - Math Formulas Part I
    • Overview
    • Shift Speed and Pressure
    • Speedometer Ratios
  • A/T - Twenty Steps To Successful Repairs
  • A/T - Math Part II
  • A/T - 440T4 Soft/Slipping 1-2 Upshift Flare
  • A/T - 440T4 Reverse Reaction Plate/Valve Body Strap
  • A/T - 440T4 Converter Clutch Shudder
  • A/T - Choosing the Right ATF
  • A/T - 440T4/4T60 Model Code Information
  • Audio - Poor Radio Reception, Antenna Coaxial Terminal
  • Compact Disc Players - CD Changer Loading Procedures
  • SIR - Operating Vehicle with Warning Light On
  • Lights - New Twilight Sentinel Module Service Part
  • Recall 97V058000: Rear Cradle Retainer Replacement
  • A/T - New Transmission/Transaxle Fluid
  • A/T - Servicing Vehicles With Contaminated ATF
  • A/T - DEXRON III Fluid Introduction
  • A/T - Updated ATF Color & Level Checking
  • Recall 88V066000: Front Control Arm
  • Suspension,Rear - New Front/Rear Rod To Knuckle Torque
  • A/C - Cracked/Damaged Control Buttons
  • Strut Cartridge - Removal Procedure Update
  • Suspension - Clunking Sound From Rear
  • Recall - A/T Shift Cable Attachment Defect
    • Overview
    • Condition, Dealer Action, Vehicles Involved, Dealer Campaign & Material Information
    • Owner Notification & Change, Parts & Service Procedure Information
    • Campaign Label, Parts Disposition, Warranty & Owner Letter Information
  • Recall 88V045000: Transmission Shift Cable Defect
  • A/C - Performance In High Ambient Temp & Humidity
  • PROM/MEMCAL - Identification Marks
  • Automatic Safety Belts - Circuit Operation Revisions
  • A/T - 4T60/4T60E Drive Link Noise In Park/Neutral/Drive
  • Stop Light - Blown Fuse
  • Electrical Systems - Revised Alt Fuse Name
  • Interior Trim - I/P Pad Loose From Base Carrier Assembly
  • Instrument Panel - Upper Surface Reflection
  • Instrument Panel - Upper Surface Cleaning
  • Engine Controls - Driveability Diagnostics Guide
  • Suspension - Chassis Lubrication Importance
  • Electrical - New Nickel Tape Shields Harnesses
  • Cruise Control - (W/Electro Stepper Mtr.) Diagnostics
  • Fuel - How Fuel Economy Is Determined
  • Engine - Diagnosing Intermittent Idle Speed Increases
  • Engine - Base Idle RPM Adjustment
  • Cruise Control - Incorrect Resume Operation
  • Tires/Wheels - Wheel Weight Usage Precautions
  • Windows - Power Window Inoperative
  • Seat Belts - Manual Revision Warning System Operation
  • Interior - Enhanced Side Roof Rail Handle
  • Body - Urethane Adhesives for Glass Applications
  • Key Code - Information
  • Key/Key Number/Security Chip - Replacement
  • Paint - Acrylic Coating Touch Up Paint
  • Paint - Assembly Plant and Supplier Reference
  • Paint - Diagnosis & Repair For Chipping
  • Paint - Removal of Minor Paint Imperfections
  • Warranty - Rail Dust Removal & Chemical Spotting Labor
  • Carpet Inserts - Loose
  • Recall - Rear Cradle Bolt Retainer Corrosion
    • Overview
    • Defect Involved
    • Vehicles Involved
    • Parts Information
    • Customer Notification
    • Dealer Campaign Responsibility
    • Service Procedure
    • Campaign Identification Label
    • Claim Information
    • Owner Letter
  • Recall - Rotary Stoplamp Switch
    • Overview
    • Service Procedure
    • Stoplamp Switch Adjustment
    • Warranty Information
  • A/C - Water Leaking From the HVAC Module
  • A/T - 440-T4 Valve Body Clamping Plate Eliminated
  • A/T - New Spacer Plate Identification Tab
  • A/T - Evaluating Peened Spacer Plates
  • A/T - Harsh Engagement or Double Bump From P or N to R
  • A/T - New 1-2 Band Assembly Does Not Require Stop
  • A/T - 4T60 New 1-2 and Reverse Bands
  • A/T - New Band Assemblies
  • A/T - Harsh Shift, Double Bump, or Shudder
  • Cruise Control - Lamp Background Glows With Cruise OFF
  • A/T - 3-4 Gear Accumulator Piston and Spring Positioning
  • A/T - Slipping/No Reverse/Repeat Reverse Band Distress
  • Contaminated R12 Refrigerant - Testing & Handling
  • A/C - R12 or R134a Service Recommendations
    • Overview
    • R12 Service Recommendations
    • R134A Service Recommendations
  • A/C - Retrofitting R-12 Vehicles to R-134A
  • A/C - Information On the Use of Alternate Refrigerants
  • A/T - Revised End Play Specifications
  • Wipers - Revised Cleaning Of Wiper Drive Shaft Knurls
  • A/T - New Thermo Element/Setting Procedure
  • Tilt Column - Lever Broken
  • P/S - Reduced Assist When Cold
  • P/S - Proper Fluid Usage, Do not use ATF
  • Power Steering - Reduced Assist At Low Temperatures
  • Daytime Running Lamp - Retrofit Kits
  • Brakes, Front - Pulsation Diagnosis, Correction, Repair
  • Fuel - Reformulated/Oxygenated Gasolines
  • Fuel - Use of MTBE At 15% or Less In Gasolines
  • Fuel - Effect of Fuel Volatility On Driveability
  • Fuel System - Recommended Fuels
  • Alignment - Rear Camber Adjustment Manual Update
  • Wheel Alignment - Front and Rear Specifications
  • Body - Metal Panel Adhesive Bonding Information
  • Cooling System - Coolant Recycling Information
  • M/T - Hydraulic Clutch Bleeding Procedure Improvement
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • Instruments - Reduced PRNDL Display Visibility
  • Body - Polypropylene Energy Absorber Replacement
  • Engine - Sealant Usage/Procedures
  • Engine - Oil Leaks from Crankshaft Rear Main Seal
  • Electrical - Aftermarket Fuse Warning
  • Engine - Oil Leaks From Front Crankshaft Seal
  • Wheels - Chrome Wheel Brake Dust Accumulation/Pitting
  • Brakes - Rotor Lateral Runout Correction Information
  • Restraints - Usage of Used/Salvaged/Imitation Components
  • Fuel System - E85 Fuel Usage Precaution
  • A/T - No Movement in Drive or 3rd Gear
  • A/T - Grinding/Growling Noise in Park on Incline
  • Engine/Fuel System - Oil/Fuel Additive Information
  • Cooling System, A/C - Aluminum Heater Cores/Radiators
  • Wheels/Tires - Upsized Wheel/Tire Characteristics
  • Audio System - Refurbishing Radio Faceplates/Knobs
  • Body - Hem Flange Rust Repair Information
  • Body - Marks/Stains on Windshield When Wet
  • Wheels/Tires - Chrome/Steel Valve Stem Cap Precautions
  • Engine - Noise/Damage Oil Filter Application Importance
  • Engine - Drive Belt Misalignment Diagnostics
  • Body - Maintaining Exterior Weatherstrip Appearance
  • 06-08-111-004B - BULLETIN CANCELLATION NOTIFICATION
  • Body - Stain/Film On Windshield Glass Perimeter
  • Wheels/Tires - Accessory Wheel And Tire Information
  • Wheels/Tires - Replacement Wheel Weight Information
  • Tires/Wheels - Low Tire/Leaking Cast Aluminum Wheels
  • Tires/Wheels - Tire Puncture Repair Procedures
  • Lighting - Headlamp Warranty Replacement Guideline
  • Interior - Proper Use of Floor Mats
  • Wheels - Changing Procedures/Precautions
  • Body - Squeeze Type Resistance Spot Welding/Equipment
  • Electrical - Intermittent MIL/DTC P2138/Reduced Power
  • Restraints - Extender Availability For Seat Belt
  • Interior - Seat Cover Wrinkle/Crease/Burn Info
  • A/T - Water Or Coolant Contamination Information
  • Body - Drilling High Strength Steel Using CryoCobalt(R)
  • Body - Vehicle Glass Distortion Information
  • Fuel System - TOP TIER Detergent Gasoline (Canada)
  • Tires/Wheels - Information on Tire Radial Force Variation (RFV)
  • Engine - GM Dexos 1(R) And 2(R) Oil Specifications
  • Engine - GM dexos 1(R) and dexos 2(R) Oil Specifications/Info.
  • Body - Pre-Painting/Cleaning Process For TPO Plastic Fascias
  • Drivetrain - Information on Driveline Clunk Noise
  • Wheels - Chromed Aluminum Wheel Staining/Pitting/Corrosion
  • Body - Paint-less Dent Repair Process
  • Wipers/Washers - Windshield Wiper Performance Information
  • Electrical - Ground Repair Information
  • Interior - Cleaning Instrument Panel, Interior Trim