Repair and Diagnosis: Technical Service Bulletins
- How to Find Technical Service Bulletins by Category/Symptom
- Recalls
- Customer Interest
- Recommended Repairs
- Superceded Bulletins
- 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
- 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
- Warranty - Request for Wholesale Authorization
- VIN Plate - Replacement Policy and Procedure
- Warranty - GM Dealer Empowerment Program
- Labor - Revised Operation Z1241/Personal Property Damage
- Warranty - Repair/Replace Policies & Procedures
- Parts Expediting - Reimbursement Policy
- Warranty - Enhanced Sublet Repair Policy
- Warranty - Required Claim Submission Procedures
- Warranty - Repair and Claims Procedures
- Warranty - Claim Processing
- Warranty - Corporate Parts Return Program Instructions
- Vehicle - Use of a Diagnostic Worksheet
- Vehicle - AC Delco Locator Service, Electronics Exchange
- Electrical - Wiring Repair Temp Range Precaution
- Campaign - Product Bulletin Numbering System
- Vehicle - Vibration Diagnosis Using A Reed Tachometer
- Vehicle - Current Model Line Designators
- Parts - Expediting Procedures
- Glass - Adhesive Caulking Kit Revisions
- Electrical - Detecting Intermittents Procedure
- Warranty - Corporate Parts Return Program
- Aftermarket Accessories - Installation Guidelines
- Electrical - Diodes Replacement Information
- I/M 240 Repairs - Obtaining Technical Assistance
- Brake Fluid - Level And Filling Recommendations
- Instrument Cluster - Replacement Information
- Electrical - Instrument Panel And General Wiring Repair
- A/C - Leak Test Diagnosis Tools
- A/C - CFC Reduction and Refrigerant Recovery
- A/C Refrigerant - Contamination
- A/C - Use of Alternate Refrigerants in CFC 12 Units
- Tools - A/C Leak Detector Maintenance Kit Availability
- A/C - Systems With R12 Or R134a Service Issue
- A/C - Retrofitting R-12 to R-134a
- A/C - Tool And Equipment Maintenance
- A/C - PureGuard 2 Operating Alert
- A/T & M/T - AC Delco Remanufactured Transmissions
- ACDelco(R) Remanufactured Transmissions - Program Update
- Engine - Analysis of Internal Sludge
- Engines - ACDelco Remanufactured
- Engine - Surface Conditioning Discs Precautions
- Engine - AC Delco Remanufactured Engines
- Cooling System - Leaks
- Charging System - Very Low/Completely Dead Battery
- Steering - System Bleed Procedures
- P/S - Apparent Crack In Pump Pulley
- Fuel - Pump Replacement Caution, Strainer
- Fuel System - In-Tank Electric Pump Loosens
- Engine - No Start After Extended Storage
- Brakes - Noise From Front, New Pad Tab Clinch Procedure
- Brake Pads - Front Brake Squeal
- Brakes - Pull/Lead When Braking
- A/C - System Diagnostic Procedure
- A/C - Shaft Nut Removal from the HR6HE Compressor
- A/C Compressor Seal Washer - Reference Chart
- A/C System - Flushing Recommendation
- Suspension - Shock Absorber/Strut Replacement Guidlines
- Cooling System - Excessive Fan Noise
- Cooling - Radiator Repair/Replacement Guidelines
- Engine - Rear Main Leak Condition
- Engine - Rear Main Oil Leak Diagnostics
- Engine - Serpentine Belt W/ Worn Idler Pulley/Tensioner
- Light Duty Truck Wheels - Balancing Recommendations
- Wheels (Aluminum) - Coated Balance Weight Usage
- Wheels - Sealing Leaking Cast Aluminum
- Wheels - Finish Damage During Off Car Balancing
- Warranty - OE Chrome Plated Aluminum Wheel ID
- Tires (Handling) - Vibration
- Tires (Front) - Irregular Wear Information
- Wheels (Steel) - Damage Due to Improper Mounting
- Driveline - Tire and Propshaft Speed Reference Chart
- Tires - Speed Rated Information
- Frame - Cracking Under Severe Useage
- Door Locks - Binding or Sticking/Key Hard to Insert
- Tailgate Window - Closes Slowly/Sticking
- Seat (Rear) - Rattle/Chucking Noise
- Seat (Rear) - Squeaks and Rattles
- Doors - Wind Noise/Cold Air Intrusion
- Drivetrain - Evaluating Driveline Vibration
- Differential Pinion Shaft Lock Screw - Service
- Differential Pinion Shaft Locking Screw - Revised
- Eaton Locking Differential - New Design
- Differential - Governor Removal Tool Revision
- A/T - New Transmission Fluid Filter and Filter Seal
- A/T - Updated Filter and Seal
- TCC - False Code 32/ Possible MIL ON
- A/T - Fluid Out Vent Diagnostic Tips
- A/T - Fluid Leak Near Front Pump (Bushing Walkout)
- A/T - 4L60 Slipping or No 3rd/4th Gear
- A/T - 2004R/700R4 Oil Pump & Slide Service
- A/T - 700R4 Pump Assembly Casting Number Information
- Transmission - Leak from Speedometer Gear/Adaptor
- A/T Oil Cooler - Updated Flushing Procedure
- A/T - Cooler Replacement/Flushing
- A/T - Binding or Inoperative In Reverse
- Throttle Valve System - Diagnosis
- Slip Yoke/U-Joint - Replacement and Servicing
- TBI Injector - Usage Precaution
- Tools - Introduction Of The Fuel Injector Tester
- ECM - Revised Replacement Procedure
- Engine Controls - ECM May Contain Wrong PROM
- ECM/PCM - Installation Procedures/Mem-Cal Concerns
- Oxygen Sensors - Silica Contamination
- Electrical - VSS Connector Mislabeled
- Brakes - Front Calipers
- Brakes - New Front Brake Calipers Available
- Brakes - Replacement Booster Push Rod Height Gage
- Tools - Revised Brake Booster Push Rod Height Gage
- Parasitic Drain Ammeter - Connection Procedure Revised
- Battery - Charging Precautions
- Battery - Diagnosis and Charging
- Battery - Dead Due to Excessive Current Draw
- Warranty - New Vehicle/Replacement Battery
- Battery - Insulator Replacement & Caution
- CS-121/CS-130 Generators - Replacement
- Generator - Belt Tension Adjustment
- Engine - Generator Belt Tension
- Backup Lamps/Tailgate Window Release - Inoperative
- Emission - Driveability/Exhaust Odor/Emission Testing
- Fuel - Feed/Return Pipe Repair
- Engine - Stall/No Start Condition
- Recall - Fuel Tank Inspection and/or Replacement
- Recall - Fuel Tank Inspection/Replacement
- Recall - Fuel Tank Inspection And/Or Replacement
- Audio - Radio Frequency Interference (RFI) Diagnosis/ID
- Audio - Poor AM or FM Radio Reception
- Seat Belts - Upfitter Responsibility
- Lap/Shoulder Belts - Dealer Installed Rear Kits
- IP Dimmer Control - Proper Setting
- Oil Filters - Enhanced Anti-Drainback Valves
- Brakes - Pulsations and Rotor Surface Refinish
- Brakes - Rotor & Hub Flange Cleaning Tool Revision
- Brakes - Pull While Braking
- A/C - Refrigerant Loss Prevention
- Engine - Block Heater Leaks
- Engine - Miss, Hesitation, or Roughness
- Engine - Miss/Hesitation/Roughness (Pierced Components)
- Starting System - Starter Clashes Upon Starting
- Odometer/Speedometer - ACDelco Service Center Locations
- Headlamp Lens - Distortion Caused by Aiming Equipment
- Brakes - Light Brake Drag While Driving
- Cooling - New Style Hose Clamp
- Cooling - New Style Hose Clamp
- Engine - Improved Head Gasket
- Cylinder Head Gasket - Improved Design
- Engine - Updated Head Gaskets
- Anti-Lock Brake - Aftermarket Products Usage Precaution
- Brakes (ABS) - 'False' or Dropping Pedal
- Stabilizer Bar (Front) - Noise/Rattle
- Front Stabilizer Bar Insulators - Loose/Missing
- Body - Sealer Tape For Collision Repairs
- Emissions - Information On State Emissions Testing
- State 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
- EVAP System - Service of Connectors
- Electrical - Care of Metri-pack 150 Terminals
- Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
- Tilt Steering Column - Noise or Squeaks
- Kick Panel Fresh Air Vent - Water Leak
- Door Handle - Air Leaks
- Tailgate Window - Chipping
- Hood - Sheet Metal Movement
- Windshield - Two-Part Urethane Adhesive For Installation
- Wiper Blades - Chattering on Windshield
- Side Door Glass Lower Seal - Wind Whistle
- Wiper Blades - Chattering and Poor Wipeability
- Windshield Washer System - Drips/Dribbles
- Cooling System - Antifreeze Recycling
- Coolant - Recycling Update
- Coolant - Information on Propylene Glycol Usage
- Warranty - Recycled Engine Coolant Policy
- Coolant - Usage/Specifications
- Engine Coolant - Recycling
- Intake Manifold Gasket - Correct Installation
- Intake Manifold Gasket - Installation
- Intake Manifold Gasket - Service Guidelines
- Console - Shake
- A/T - Burned Forward Gear, Overrun or 3-4 Clutches
- A/T - 4L60 New 3-4 Clutch Plates Available
- A/T - Premature Wear of Direct Clutch
- A/T - Proper Location of the Forward Clutch Checkball
- A/T - New Low and Reverse Clutch Waved Plate
- A/T - Poor Reverse Engagement Shift Feel
- A/T - 700R4 Updated Reverse Roller Clutch
- A/T - 700R4 New Lo & Reverse Clutch Assembly
- A/T - 700R4 New 3-4 Clutch Apply Package
- A/T - THM 400 New Forward and Direct Clutch Assemblies
- A/T - 700R4 New Forward Clutch Backing Plate
- A/T - Buzzing Noise at Idle
- M/T - Gear Oil Smell In Vehicles
- A/T - Harsh Park/Neutral to Reverse Engagement
- A/T - 4L60 New Output Shafts and Shaft Seals
- A/T - New Lube Window and Band Apply/Anchor Brackets
- A/T Fluid Level Indicator - Revised (Sealed)
- A/T - Replacement Model Update
- A/T - Slipping/No Reverse/No Manual 2-1 Gear Downshift
- A/T - New Solenoid Testing Kit
- A/T - Core Return Product Feedback Form
- A/T - 2004R/700R4 Pump Assembly
- A/T - 700R4 Updated Pinion Carrier
- A/T - 700R4 Down-Shift Clunk In Manual 3 Range
- A/T - 700R4 Auxiliary Accumulator Valve
- A/T - 700R4 Updated Input Drum
- A/T - 700R4 Correction To Bulletin SIL8722
- A/T - 700R4 New Auxiliary Accumulator Valve Body
- A/T - Converter Clutch Solenoid Fluid Source I.D.
- A/T - 700R4 & 2004R New Iron Pump Rings
- A/T - THM 700R4 Valve Body Gaskets Update
- A/T - THM 200/200C, 400, 700R4 Speedometer Leak
- A/T - 700R4 Improved Shift Feel/Reverse
- A/T - 700R4 New Control Valve Assembly
- A/T - 700-R4 & 400 Improved Governor Driven Gear
- A/T - 3L80/THM 400 Center Support Bolt
- A/T - Torque Converter Identification
- A/T - Harsh Reverse Engagements
- A/T - Engine Vacuum Testing
- A/T - Bind-Up On The 1-2 or 3-2 Downshift
- A/T - 700R4 No 4th, Late 4th, Falls Out Of 4th
- A/T - Diagnosing Converter Lock-Up Problems
- A/T - Valve Body Assembly 700-R4 Inspection
- A/T - How To Use A Pressure Gauge
- A/T - 700R4 Valve Body Interchange
- A/T - 700R4 Bind In Reverse After Rebuild
- A/T - 200/200C/200R4, 325/3254L, 700-R4 No 2nd Gear
- A/T - THM Late or No Upshifts
- A/T - 700R4 Shifts In Manual Low
- A/T - 700R4, 2004R No Line Pressure Rise
- A/T - 700R4 Forward Sprag Design
- A/T - 4L60/700R4 Rear Planet Failure/Lack Of Lube
- A/T - 700R4 Missing Reverse Checkball
- A/T - 700R4 Rear Planet Failure/Lack of Lube
- A/T - 700R4 No 2nd, No 4th and No TCC
- A/T - Delayed Forward Engagement/Burnt 3-4 Clutches
- A/T - No Converter Clutch Apply When Unit Is Hot
- A/T - THM 400 Rear Band Adjustment Too Loose
- A/T - 200C/2004R, 700-R4 Lip Seal Packages Part Numbers
- A/T - Rapid Converter Pump Bushing Wear
- A/T - 2004R & 700R4 Pump Break Up
- A/T - Converter Clutch Shudder
- A/T - 125, 200C/200 4R, 700 R4 Hidden Residue Build Up
- A/T - 200 4R & 700 R4 Pump Failure
- A/T - Sticking Throttle Valves
- A/T - Pressure Tap Locations
- A/T - 700R4 Updated Input Sprag Assembly
- A/T - 700R4 4-3 Downshift On Slight Acceleration
- A/T - Methods to Check for Restricted Exhaust
- A/T - 700R4 Low And Reverse Clutch Failure
- A/T - Slipping or No-Shift/Metal Sealing Rings
- A/T - Front Bushing Wear
- A/T - 2-3 Flare-up, or Repeated 3-4 Clutch Failure
- A/T - THM 400 Too Sensitive 3-2 Downshift
- A/T - No Passing Gear (forced detent) Upshifts Normal
- A/T - No Upshift/Governor Contamination
- A/T - 700R4 Solid Teflon Sealing Rings/Turbine Shaft
- A/T - 700R4 Updated Forward Roller Clutch
- A/T - THM 400 No Reverse
- A/T - THM Steel Clutch Piston Inspection
- A/T - Sprag Rotation
- A/T - THM 2004R 700R4 TCC Stalls Engine In Drive/Reverse
- A/T - Checking Pressure Switches For Leaks
- A/T - 700R4 TCC Lock-Up Delay Valve
- A/T - Math Formulas Part I
- A/T - 700R4 Wiring Diagrams Thru 1989
- A/T - Twenty Steps To Successful Repairs
- A/T - 4L60/THM 700R4 200R4 Fluid Filter Seal
- A/T - Math Part II
- A/T - 700R4/200-4R New Fluid Filter Seal
- A/T - 700R4 Lubrication Update
- A/T - Choosing the Right ATF
- A/T - ATRATB8725 Service Bulletin Correction
- M/T - Pops out of 3rd Gear on Accel or Decel
- M/T - Neutral/Drive Gear Rattle
- M/T - New Leak Resistant Styrene Rubber Coated Gaskets
- Compact Disc Players - CD Changer Loading Procedures
- SIR - Operating Vehicle with Warning Light On
- A/T - Manual Update For ATF Level & Condition
- A/T - New ATF Dexron IIe Information
- A/T - Proper Fluid Level Checking Procedure
- A/T - DEXRON III Fluid Introduction
- A/C - Moan Noise With Compressor Engaged
- A/T - Intermittent Downshift, Slip or Busy/Cycling TCC
- PROM/MEMCAL - Identification Marks
- Instrument Panel - Upper Surface Reflection
- Suspension - Chassis Lubrication Importance
- Engine - Oil Change Requirements For Fuel Fouled Oil
- CS Charging Systems - Quick Check
- Electrical - New Nickel Tape Shields Harnesses
- Fuel - How Fuel Economy Is Determined
- Engine Controls - Idle Speed/Minumum Idle Air Rate Specs
- Cruise Control - Incorrect Operation For Resume
- Tires/Wheels - Wheel Weight Usage Precautions
- Window, Front - Wind Noise
- Tailgate - Slow Power Window Operation
- Carpet - Loose on Side Wall Trim Pads
- Body - Urethane Adhesives for Glass Applications
- Key Code - Information
- Key/Key Number/Security Chip - Replacement
- Paint - Codes/Cross References
- Paint - Checking Clear Coat Thickness
- Paint - Color Coat Chips Off
- Paint - Exterior Finish Removal By Layers
- Paint - Chips On Exterior Leading Edges
- Paint - Etching/Staining Prevention
- Paint - Supplier Identification/Assembly Plant
- Paint - HVLP Painting Information
- Paint - Removal of Minor Imperfections
- Warranty - Rail Dust Removal & Chemical Spotting Labor
- Brakes - Rear Brake Sensitivity
- Electrical - 32 Way Connector Improperly Marked
- Electrical Connector - Terminal Checking Procedure
- Door Handle (Interior) - Misaligned
- A/T - Rear Bushing On-Vehicle Service Procedure
- A/T - New Control Valve Assembly Elimination of TCC Bore
- A/T - Proper Use of Spacer Plate Gaskets In Overhaul Kit
- A/T - Evaluating Peened Spacer Plates
- A/T - 700R4 Valve Body Modification
- A/T - Erratic or No Upshift (New Governor Driven Gear)
- A/T - 4L60 Stuck In First Gear
- Drivetrain - Recommended Axle Lubricant
- A/T - THM 700R4 New Second Servo Apply Pin
- A/T - New Servo Apply Pin
- A/T - No Engine Braking In Drive 2 (D2) Selection
- A/T - New Case, 2nd, 3rd, 4th Pressure Taps Removed
- Drive Axle - Premature Wear
- Alignment - Front Axle Offset or Apparent Dog Tracking
- Contaminated R12 Refrigerant - Testing & Handling
- A/C - Retrofitting R-12 Vehicles to R-134A
- M/T - Shift Lever Rattle/Buzz In First or Second Gear
- Electrical - Speed Sensor Buffer Connector Labeled Wrong
- Brakes - Height Sensing Proportioning Valve Adjustment
- Sunshade - Replacement Availability
- P/S - Reduced Assist When Cold
- Non-Factory Hydraulic Parking Brakes
- Fuel - Reformulated/Oxygenated Gasolines
- Fuel - Use of MTBE At 15% or Less In Gasolines
- Alignment - The Importance of Four Wheel Alignment
- Third Seat Back - Sagging
- A/T - New Latex-Coated Cellulose Oil Pan Gasket
- M/T - Updated Gaskets
- 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
- Restraints - Usage of Used/Salvaged/Imitation Components
- Fuel System - E85 Fuel Usage Precaution
- A/T - No Movement in Drive or 3rd Gear
- 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