Repair and Diagnosis: Technical Service Bulletins

• How to Find Technical Service Bulletins by Category/Symptom
• Recalls
  • Campaign - Quick Reference Cards
• Customer Interest
  • Wheel Skirt Molding - Appears Wavy
  • 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
  • Antitheft - Intermittent No Start/Crank Due to Passkey
    • Overview
    • 1991-1992 Vehicles:
    • 1990 Vehicles:
    • Eldorados, Sevilles, and Allantes:
    • Diagnosis/Correction Cranks/No Start
    • Warranty Information
    • Wire Diagram
  • Fuel - Inter No Start/Power, Long Crank Time, Hesitation
  • A/C System - Odor Primarily Upon Start Up
    • Overview
    • Procedure A (Replace Evaporator Core)
    • Procedure B (Clean and Disinfect)
    • Procedure C (Install Afterblow Module)
    • Procedure D (Enabling Afterblow Mode)
  • A/C - Odor With Start Up In Humid Climates
    • Overview
    • Afterblow Module Wiring Diagrams
      • 1985 to 1993 DeVille/FWD Fleetwood/Sixty Special
      • 1986 to 1991 Eldorado/Seville
      • 1992 & 1993 Eldorado/Seville
      • 1987 to 1993 Allante
  • Engine Oil Pan - Leak at Jack Screw After Replacement
  • Engine - Squeak/Squeal Noise After Cold Start
  • Aluminum Wheels - Damage During Balancing
  • Tires - Slipping on Wheels
  • Door Lock Cylinder - Binding/Sticking/Key Hard to Insert
  • Door Locks - Key Binding Condition
  • Convertible Top - Boot Well Seal Falls Off
  • Windshield - Weatherstrip Tears or Separates
  • A/T - 4T60 No Third Gear/No Drive or Reverse Conditions
  • A/T - Fluid Leak at Converter Seal, Replace Trans
  • Engine - Intermittent Driveability
  • Battery - Dead or Drain From Top Pulldown Motor
  • Door Glass -Noisy, Poor or No Operation
  • Interior Lamp - Falls Out Retainers
  • Engine - Miss, Hesitation, or Roughness
  • Horn - Chirps Intermittently or Sounds Continuously
  • Horn - Chirps Intermittently Or Sounds Continuously
  • Oil Pressure Gauge - Erratic/Fluctuating Operation
  • Headlamp Lens - Distortion Caused by Aiming Equipment
  • Suspension, Front - Squawk Noise in Cold Temperatures
  • Suspension - (Front) Squawk Noise
  • Air Bag (SIR) On-Off Switch Kits, New Parts and Service
  • PASS Key Security System - Intermittent No Start
  • Fuel - Exhaust Odor and Other Fuel Related Concerns
  • Doors - Additional Effort Required to Open
  • Convertible Top Pull Down Motor - Cycles Continuously
  • Seat Belt - Does Not Completely Retract
  • Wiper Blades - Chatter on Windshield
  • Interior Trim - Glove Box Door Binds/Difficult to Open
  • Cooling - Loose Water Pump Pulley
  • Convertible - Folding Top Does Not Latch Properly
  • Soft Top - Difficult to Latch or Material Tearing
  • A/T - Whine/Whistle In PARK/NEUTRAL
  • Compact Disc Players - CD Changer Loading Procedures
  • SIR - Operating Vehicle with Warning Light On
  • Instrument Panel - Upper Surface Reflection
  • Low Oil Level Sensor - False Low Oil Level Message
  • Charging - Low Voltage Reading Or Dim Lights At Idle
  • Fuels - Effect of Volatility On Driveability Conditions
  • Convertible Top - Wind Noise At Base
  • Convertible Top - Rattle From Stowage Cover Latch
  • Convertible - Top Material Wear
  • Convertible - Rear Bow Requires Higher Effort to Latch
  • Windows - Noisy Door Glass Operation/Motor Failure
  • Antenna (Power) - Noisy When Extending/Retracting
  • Audio System - Volume Goes to Zero After Starting
  • Paint - Clearcoat Degradation, Chalking and Whitening
  • Door Handle (Inside) - Increased Travel
  • A/T - Fluid Leak at Side Cover
  • P/S - Reduced Assist When Cold
  • Brakes, Front - Pulsation Diagnosis, Correction, Repair
  • Hard Top Header Trim Plugs - Difficult Removal
  • Convertible - Cover Lock Won't Release/Broken
  • Engine, A/T - Shift/Driveability Concerns/MIL ON
  • 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
• Improved Performance
  • Fuel - Exhaust Odor and Other Fuel Related Concerns
• Labor/Parts Updates
  • A/T - Fluid Leak at Converter Seal, Replace Trans
  • Convertible - Cover Lock Won't Release/Broken
• Recommended Repairs
  • A/C - Musty Odors Emitted From (HVAC) System
  • Battery - Dead or Drain From Top Pulldown Motor
• Seals, Gaskets
  • Convertible Top - Boot Well Seal Falls Off
  • A/T - Fluid Leak at Side Cover
• 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
  • 93I36 - 06/01/93
  • 93966C - 10/01/93
  • 936A107 - 06/01/94
  • 933C104 - 06/01/94
  • 931B121 - 09/01/94
  • 93-6-107 - 07/01/97
  • 92I21 - 01/01/93
  • 926102 - 10/01/95
  • 91I47 - 09/01/90
  • 91I4 - 06/01/93
  • 9196A8 - 10/01/91
  • 913117 - 03/01/94
  • 90I163E - 11/01/89
  • 902160 - 12/01/94
  • 89156A - 09/01/88
  • 88641104 - 06/01/94
  • 87496A - 12/01/86
  • 73-90-23 - 01/01/00
  • 73-90-12 - 01/01/00
  • 631208 - 04/01/97
  • 580504A - 04/01/01
  • 431018 - 01/05/94
  • 40-05-01C - 10/01/99
  • T-92-26 - 05/01/93
  • T9183 - 03/01/94
  • T92132 - 06/01/94
  • T931 - 06/01/94
  • T93103 - 06/01/94
  • T93125 - 08/01/93
  • T9342 - 08/01/93
  • T9342A - 08/01/93
  • T9375A - 07/01/93
  • T9398 - 05/01/93
  • T9399 - 05/01/93
  • 310503B - 01/12/96
  • 310503 - 01/01/95
  • 23-62-03 - 07/01/97
  • 12-92-43 - 07/01/97
  • 02-08-48-001 - 12/02/03
  • 02-07-30-052A - 02/07/03
  • 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
  • Warranty - Labor Times Guides Updated
  • Campaign - Product Quick Reference Cards
  • Campaign - Product Quick Reference Card
  • Customer Concern Not Duplicated/Verified - Labor Op.
  • Recall - Campaign Quick Reference Card
  • Wipers/Washers - Windshield Wiper Maintenance/Cleaning
  • Wipers - Performance/Cleaning Instructions/Maintenance
  • Windshield Wipers - Performance/Cleaning and Maintenance
  • Windows/Glass - Urethane Adhesive Usage
  • Glass/Body - Windshield Wiper Performance
  • Body - Distortion On Outer Glass Surfaces
  • Lighting - Headlamp Polycarbonate Lens Damage Prevention
  • Lighting - Headlamp Polycarbonate Lens Damage Prevention
  • Lighting - Lamp Polycarbonate Lens Damage Prevention
  • 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
  • Seats - Top Tether Hardware Package for Child Restraints
  • Interior - Seat Cover Wrinkle/Crease/Crack/Burn Info.
  • Convertible - Top Pulldown Motor Cycles Continuously
  • Mirrors - Heated Mirror Defrosting Time
  • Locks - Key Code Security Rules And Information
  • Locks - Key Code Securtiy Rules And Information
  • 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
  • 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 - Child Seat Top Teather Attachment Kits
  • Child Restraint - Top Tether Hardware Package
  • Restraints - Driver/Passenger Seat Head Rest Information
  • Restraints - Driver/Passenger Seat Head Rest Information
  • Restraints - Passenger Presence System Information
  • SRS - Front Passenger Seat Alteration Precautions
  • Restraints - Passenger Presence System Information
  • Restraints - Passenger Presence System Information
  • SRS - Occupant Sensing System Precautions
  • 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
  • A/C - Odor
  • Interior - Eliminating Unwanted Odors
  • Interior - New Odor Elimination Product
  • Suspension - Shock Absorber/Strut Fluid Leak Information
  • Suspension - Shock Absorber/Strut Leakage Information
  • Passive Struts - Installation on Cars With Ride Control
  • Passive Struts - Use on Ride Control Equipped Vehicle
  • Ride Control - Indicator ON (Passive Struts Installed)
  • Power Steering - Noise (System Bleed Procedure)
  • Charging System - Low Voltage Display/Low/Dead Battery
  • Vehicle - AC Delco Locator Service Electronics Exchange
  • 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)
  • Charging System - Lights Dim/Low Voltage Display
  • Charging System - Operational Characteristics
  • Charging System - Low Voltage Display ON/Dim Lights
  • Charging - Low Voltage Reading or Dim Lights at Idle
  • Electrical - Battery Charging Tips
  • Battery - Charging/Information Tips
  • Battery - Charging Tips
  • Tools - New Battery Tester
    • Overview
    • Shipping Billing and Upgrade Program Information
    • Battery Test 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 Tool/Procedure
  • 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 - Torque Converter Replacement Guidelines
  • A/T - Grinding/Growling In PARK On An Incline
  • A/T - 2-3 Upshift or 3-2 Downshift Clunk Noise
  • Fuel - Int. No Start/Power, Long Crank Time, Hesitation
  • Fuel System 'TOP TIER' Detergent Gasoline Information
  • Fuel System - GM Fuel System Treatment PLUS(R) Info.
  • 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
  • Cooling System - Aluminum Radiator/Heater Core Info.
  • 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 - Intake Manifold Inspection/Replacement
  • Intake Manifold - Inspect/Replace After Engine Damage
  • Engine/Fuel - Additive Information
  • Manual Transmission - Operating Characteristics
  • Engine - Guideline For Engine Oil Economy
  • Engine - Main Bearing Applications
  • Engine - Main Bearing Usage
  • Fuel System - Fuel Injector Maintenance Cleaning
  • A/C - Guidelines for Retrofitting R-12 Vehicles to R134a
  • A/C - Retrofitting R-12 Systems to R-134a
  • Aluminum Wheel - Refinishing
  • 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 Guidelines/Procedures
  • 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 - 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 VI Release/Applications
  • 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)
• All Technical Service Bulletins
  • Wheel Skirt Molding - Appears Wavy
  • 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
  • Restraints - Child Seat Top Tether Attachment Kits
  • Power Steering - Fluid Leaks Due to Extreme Low Temps
  • Restraints - Passenger Presence System Information
  • 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
  • 91149 - 10/01/90
  • Electrical - Proper Procedures When Probing Wiring
  • Warranty - Goodwrench Service Lifetime Service Guarantee
  • Warranty - GM Dealer Parts Procurement
  • Campaign - Quick Reference Cards
  • 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 - Labor Time Guide Update
  • Warranty - Request for Wholesale Authorization
  • Warranty Inquiry System
  • Customer Concern Not Duplicated /Verified - Labor
  • Warranty - Courtesy Transportation Guidelines
    • Overview
    • Vehicle Coverage Eligibility
    • Program Features
      • Same-Day Services
      • Multiple-Day Services
    • Program Administration
    • Complaint Code - Failure Code
    • Claim Documentation and Processing Requirements
  • 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 - Labor Time Guide Addition
  • Warranty - Required Claim Submission Procedures
  • 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
  • ECM/PCM - Driveability Symptom/Data Worksheet
  • Electrical - Service Manual Section 8A Changes
  • Service Bulletin - Corrections
  • Campaign - Product Bulletin Numbering System
  • Vehicle - Labor Times Guide Request for Review
  • Multi-Pin Connector - Intermittent Connection
  • Parts - Expediting Procedures
  • Glass - Adhesive Caulking Kit Revisions
  • I/M 240 Repairs - Obtaining Technical Assistance
  • Electrical - Wire Probing Device
  • Brake Fluid - Level And Filling Recommendations
  • Instrument Cluster - Cadillac Exchange Procedure
  • Electrical - Instrument Panel And General Wiring Repair
  • A/C - Leak Test
    • Overview
    • General Description
    • Leak Testing the Refrigeration System
      • Overview
      • Electric Halogen Leak Detector
      • Fluorescent Leak Detector
      • Liquid Leak Detectors and Pressure Testing
  • A/C Refrigerant - Contamination
  • A/C - Info. On the Use of Alternate Refrigerants CFC-12
  • 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
  • Vehicle - Technical Service Bulletin Updates
  • Tools - Power Steering Bleeder Adapter
  • Engines - Remanufactured
  • Engine - Service Replacement
  • 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
  • Cylinder Block - Improvements and Main Bearing Usage
  • Antitheft - Intermittent No Start/Crank Due to Passkey
    • Overview
    • 1991-1992 Vehicles:
    • 1990 Vehicles:
    • Eldorados, Sevilles, and Allantes:
    • Diagnosis/Correction Cranks/No Start
    • Warranty Information
    • Wire Diagram
  • Engine Controls - Relearning TPS & Idle Throttle Angle
  • Steering - System Bleed Procedures
  • Fuel - Inter No Start/Power, Long Crank Time, Hesitation
  • Brakes - Rotor Refinishing/Pad Replacement
  • Instruments - Reset Engine Oil Life Procedures
  • A/C Compressor - Replacement Procedure
  • A/C - Refrigerant (R-134A) Information
  • A/C - New Compressor Sealing Washer
  • A/C - Compressor Shaft Nut Removal
  • A/C Compressor Seal Washer - Reference Chart
  • A/C - Blower Motor Replacement Part
  • A/C - Odors on Hot/Humid Start Up
    • Overview
    • Procedure A (Replace Evaporator Core)
    • Procedure B (Clean and Disinfect)
    • Procedure C (Install Afterblow Module, P/N 25533406)
  • A/C System - Odor Primarily Upon Start Up
    • Overview
    • Procedure A (Replace Evaporator Core)
    • Procedure B (Clean and Disinfect)
    • Procedure C (Install Afterblow Module)
    • Procedure D (Enabling Afterblow Mode)
  • A/C - Odor With Start Up In Humid Climates
    • Overview
    • Afterblow Module Wiring Diagrams
      • 1985 to 1993 DeVille/FWD Fleetwood/Sixty Special
      • 1986 to 1991 Eldorado/Seville
      • 1992 & 1993 Eldorado/Seville
      • 1987 to 1993 Allante
  • Suspension - Shock Absorber/Strut Replacement Guidlines
  • Tools - Adjuster Locknut Wrench
  • Steering - Revised Adapter and Return Line Tool
  • Engine Oil Pan - Leak at Jack Screw After Replacement
  • Engine - Squeak/Squeal Noise After Cold Start
  • Cooling - Radiator Repair/Replacement Guidelines
  • Wheels - Aluminum Balance Weight Use
  • Aluminum Wheels - Damage During Balancing
  • Wheels - Finish Damage During Off Car Balancing
  • Wheels - Sealing Leaking Cast Aluminum
  • Tire/Wheel - Match Mounting Discontinued
  • Tires - Slipping on Wheels
  • Aluminum Wheels - Refinishing
    • Overview
    • Attachment 1 - DuPont Products
    • Attachment 2 - PPG Products
    • Attachment 3 - Spies Hecker
  • Warranty - Guidelines for Using E0420 Wheel Replace
  • Warranty - OE Chrome Plated Aluminum Wheel ID
  • Tires - Company Warranty Assistance Programs
  • Tires - Manufacturers' Assistance
  • Tires - Speed Rated Information
  • Wheels - Nut Torque Tool Avalibility
  • Door Lock Cylinder - Binding/Sticking/Key Hard to Insert
  • Door Locks - Key Binding Condition
  • Locks - Gold Keys Bind In Door Locks
  • Seats - Back Release Handle Difficult to Operate
  • Leather Seat Covers - Cleaning Procedure
  • Convertible Top - Boot Well Seal Falls Off
  • Windshield - Weatherstrip Tears or Separates
  • Webasto Sunroof System - Information Hotline
  • A/T - New Bottom Pan & Controlled Compression Gasket
  • Alignment - Lead or Pull to the Left
  • A/T - Transaxle Oil Filter Differences
  • A/T - 4T60 No Third Gear/No Drive or Reverse Conditions
  • A/T - Oil Cooler Flushing Frequently Asked Questions
  • A/T - Fluid Leak at Converter Seal, Replace Trans
  • Tools - Introduction Of The Fuel Injector Tester
  • ECM - Tap Test Precautions
  • Engine - Intermittent Driveability
  • ECM/PCM - Potential MEM-CAL Damage
  • Oxygen Sensors - Silica Contamination
  • BCM - Ordering Replacement EEPROMs For BCM
  • BCM EPROM - Calibration Summary
  • Battery - Parasitic Draw, Diagnosis & Repair
  • Battery - Drains, Door Unlock Switch
  • Battery - Dead or Drain From Top Pulldown Motor
  • 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
  • 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
  • Battery - Testing Equipment Explained
  • Tools - Released for CS Generator Diagnosis
  • Information On PROM Calibrations
  • PROM - Powertrain Control Module Reprogramming
  • Power Antenna Mast - Replacement
  • Door Glass -Noisy, Poor or No Operation
  • Radio Telephone/Mobile Radio - Install/Troubleshooting
    • Overview
    • Installation Guidelines
      • 1. Transceiver Location
      • 2. Antenna Installation
      • 3. Antenna Cable Routing
      • 4. Antenna Tuning
      • 5. Radio Wiring and Power Lead Connection Locations
      • 6. Radio Wire Routing
    • Troubleshooting
    • Parts Information
  • Air Bag Module - Live Unit Disposal
    • Overview
    • Deployment Inside the Vehicle
    • Deployment Outside the Vehicle
  • Air Bag - Post Deployment Sensor Replacement Revised
  • IP Dimmer Control - Proper Setting
  • Interior Lamp - Falls Out Retainers
  • Oil Filters - Recycling Information
  • Brakes - Rotor & Hub Flange Cleaning Tool Revision
  • A/C - Refrigerant Loss From Schrader Valve Caps
  • Engine Block Heaters - Revised Information
  • Engine - Main Bearing Application
  • Engine - Miss, Hesitation, or Roughness
  • Horn - Chirps Intermittently or Sounds Continuously
  • Horn - Chirps Intermittently Or Sounds Continuously
  • Oil Pressure Gauge - Erratic/Fluctuating Operation
  • Headlamp Lens - Distortion Caused by Aiming Equipment
  • Crankshaft Balancer/Head Bolt/Torque - Revised
  • Engine Oil Pan Gasket - Revised
  • ABS System - Application Chart
  • Anti-Lock Brake - Aftermarket Products Usage Precaution
  • Anti-Lock Brakes - Parts Core Charge Information
  • Brakes - False ABS Codes Set During Repairs, Clear Codes
  • Brakes - Cartridge Exchange Program
  • Suspension, Front - Squawk Noise in Cold Temperatures
  • Suspension - (Front) Squawk Noise
  • Lights - Etching, Stress Cracking, or Discoloration
  • Body - Sealer Tape For Collision Repairs
  • Vehicle - Theft Deterrent Labeling
  • Air Bags - Additional Caution
  • SIR DTC 24 Diagnosis
  • Air Bag System - Clearing Current Code 51
  • 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
  • Restraints - Air Bag System Diagnostics
  • PASS Key Security System - Intermittent No Start
  • Emissions - Testing Information
  • 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
  • Warranty - Guidelines for I/M 240 Labor
  • EVAP System - Service of Connectors
  • Fuel - Exhaust Odor and Other Fuel Related Concerns
  • Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
  • PCM - Returned Product Feedback Program
  • PCM - Learned Idle Offset Resetting Procedure
  • Doors - Additional Effort Required to Open
  • Convertible Top Pull Down Motor - Cycles Continuously
  • Soft Top - Fabric Service Parts Identification
  • Seat Belt - Does Not Completely Retract
  • Seat Belt Retractor - End Cap Revision
  • Child Restraint - Auxiliary Seat Belt
  • Windshield - Two-Part Urethane Adhesive For Installation
  • Warranty - Guidelines for Claiming Windshield Replace
  • New Windshield/Glass Urethane Adhesive Caulking Kit
  • Wiper Blades - Chatter on Windshield
  • Wipers - Blade Chatter
  • Interior Trim - Glove Box Door Binds/Difficult to Open
  • Cooling - Loose Water Pump Pulley
  • Coolant - Information on Propylene Glycol Usage
  • Cooling System - Recycling Coolant Update
  • Cooling System - Use of Recycled Coolant
  • Intake Manifold Gasket End Seal - New Design
  • Convertible - Folding Top Does Not Latch Properly
  • Soft Top - Difficult to Latch or Material Tearing
  • A/T - Whine/Whistle In PARK/NEUTRAL
  • A/T - Replacement Transmission Part Numbers
    • Overview
    • General Information
    • Hydra-Matic 4T60-E
    • Hydra-Matic 4T60 (THM 440-T4)
    • Hydra-Matic 4L60 (THM 700-R4)
    • THM 200-4R
    • Hydra-Matic 3T40 (THM 125C)
  • A/T - SRTA Replacement Program
  • A/T - New Solenoid Testing Kit
  • A/T - Core Return Product Feedback Form
  • A/T - Service Replacement
    • Overview
    • General Information
    • SRTA Model Replacement Chart (4T60)
    • SRTA Chart (4T60-E)
    • SRTA Chart 3T40 (THM 125C)
    • SRTA Chart THM 200-4R
    • SRTA Chart 4L60 (THM 700-R4)
    • SRTA Chart 4T80-E
    • SRTA Chart 4T60 (THM F-7)
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • A/T - Drive Axle and Wheel Lug Nut Torque Specifications
  • A/T - Slipping or No-Shift/Metal Sealing Rings
  • A/T - Front Bushing Wear
  • 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 - Choosing the Right ATF
  • Compact Disc Players - CD Changer Loading Procedures
  • SIR - Operating Vehicle with Warning Light On
  • Engine - Accessory Drive Noise Diagnosis
  • A/T - Dexron IIE Transaxle Fluid
  • A/T - Servicing Vehicle With Contaminated Fluid
  • A/T - DEXRON III Fluid Introduction
  • PROM/MEMCAL - Identification Marks
  • Instrument Panel - Upper Surface Reflection
  • Low Oil Level Sensor - False Low Oil Level Message
  • Suspension - Chassis Lubrication Importance
  • Engine - Guideline For Oil Economy
  • Engine - New Prelube Tool
  • Charging - Low Voltage Reading Or Dim Lights At Idle
  • Electrical - New Nickel Tape Shields Harnesses
  • Cruise Control - (W/Electro Stepper Mtr.) Diagnostics
  • Wiring Diagram - `Bedsheet Style' Available
  • Fuels - Effect of Volatility On Driveability Conditions
  • Fuel - How Fuel Economy Is Determined
  • Tires/Wheels - Wheel Weight Usage Precautions
  • Convertible Top - Wind Noise At Base
  • Convertible Top - Rattle From Stowage Cover Latch
  • Convertible - Rattle Noise From Roof Bows While Turning
  • Convertible - Top Material Wear
  • Convertible - Rear Bow Requires Higher Effort to Latch
  • Soft Top Rear Glass - Service Part/Installation
  • Windows - Noisy Door Glass Operation/Motor Failure
  • Antenna (Power) - Noisy When Extending/Retracting
  • Seat Belt System - Collision Replacement Guidelines
  • Body - Urethane Adhesives for Glass Applications
  • Key Code - Information
  • Key/Key Number/Security Chip - Replacement
  • Audio System - Volume Goes to Zero After Starting
  • Entertainment Systems - Correct Labor Codes
  • Paint - Clearcoat Degradation, Chalking and Whitening
  • Paint - Incorrect WA Code Numbers on Service Part ID
  • Paint - Increased Paint Transfer Efficiency
  • Paint - Codes, Ordering, General Information
    • Overview
    • Exterior Paint Information
    • Interior Paint Information
    • Vinyl Roof Molding Colors
    • Paint Stripe Colors
  • Paint - Removal of Exterior Finish By Layers
  • Warranty - Rail Dust Removal & Chemical Spotting Labor
  • 90I69A0 - Adds information to 90I690 Dated 08/01/90
  • SSS/CCR/SDD Diagnostic Codes - Resetting After Strut R&R
  • Suspension - New Hypertech (R) Wiring Technology
  • Door Handle (Inside) - Increased Travel
  • A/T - Evaluating Peened Spacer Plates
  • ABS Hydraulic Unit - Service Kit Modification
  • A/T - 4T60 New 1-2 and Reverse Bands
  • A/T - Fluid Leak at Side Cover
  • Tools - Keyless Entry Transmitter Tester
  • 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
  • P/S - Reduced Assist When Cold
  • Daytime Running Lamp - Retrofit Kits
  • Brakes, Front - Pulsation Diagnosis, Correction, Repair
  • Hard Top Header Trim Plugs - Difficult Removal
  • Fuel - Reformulated/Oxygenated Gasolines
  • Convertible - Cover Lock Won't Release/Broken
  • 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
  • Electrical - Aftermarket Fuse Warning
  • Wheels - Chrome Wheel Brake Dust Accumulation/Pitting
  • Electrical - Battery Charging Tips/Recommendations
  • 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
  • Charging System - Low Voltage Display/Battery Discharged
  • 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
  • Suspension - Svc. Ind. Disabling For Passive Suspension
  • 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
  • Mirrors - Heated Mirrors, Defrosting Time
  • 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