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Repair and Diagnosis: Technical Service Bulletins Expand All (for easy ctrl-f) Collapse All How to Find Technical Service Bulletins by Category/Symptom Recalls 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 Brakes - Light Drag While Driving, Switch Adjustment ECM - Driveability Concerns/Erratic Warning Lamps A/C System - Flushing With Refrigerant 11 Front Brakes - Noise MIL On, Poor Driveability, and DTC's 44 or 45 Set A/C Compressor - Loading in Defrost Mode A/C - Unwanted High Blower Operation With Key Off Power Steering - Lack of Assist on Cold Start Engine - Rear Main Seal Oil Leak Wheels - Air Leak, Cast Aluminum Wheel Porosity Aluminum Wheels- Corrosion Around Wheel Weights Front Bumper Center Filler - Wavy Condition Door Lock Cylinder - Binding/Sticking/Key Hard to Insert Front Door Lock - Sticks or Binds Locks - Door/Deck Lid Lock Cylinders Inoperative Sunroof/Moonroof - (Vista) - Water Leaks Sunroof - Vista Vent Water Leaks A/T - 125C Oil Pan/Auxiliary Valve Body Cover Leaks A/T - THM 125-C Side Cover or Bottom Pan Leaks A/T - Engine Stall When Engaging Reverse or Drive Brakes - Squeal/Whistle Upon Application PROM - False Code 34 Set During Idle or Deceleration Engine - Roughness or Stall At Idle Engine - Miss, Hesitation, or Roughness Engine - Power Loss, Hesitation, Shudder/Backfire Engine - Poor Driveability Engine Controls - Poor Performance in Diagnostic Mode Erratic Idle Speed Fluctuations, DTC 30 (ISC Circuit) Windshield Wipers - Chatter and/or Wipe Unevenly Wiper Blades - Chatter on Windshield Wiper Blades - Chatter/Poor Wipeability Body - Loose Rear Deck Lid Luggage Carrier Rail Nuts A/T - THM 125C Delayed Neutral to Drive Engagement A/T - Slipping 2-3 Upshift/No 3rd Gear Operation A/T - Intermittent or Complete Loss of Reverse A/T - Harsh Park/Neutral to Drive Engagement A/T - Rough Neutral to Drive Gear Engagement Front Converter Seal - Oil Leak A/T - Dash or Steering Wheel Shake at Idle Compact Disc Players - CD Changer Loading Procedures SIR - Operating Vehicle with Warning Light On TCC - Shudder After Apply and No Release Diagnosis Instrument Panel - Upper Surface Reflection Fuels - Effect of Volatility On Driveability Conditions A/T - Oil Exhausting From Vent Engine - Chuggle/Poor Fuel Economy/Shudder A/T - Whine Noise In Park or Neutral Suspension - Noise From Rear of Vehicle P/S - Reduced Assist When Cold Vista-Vent - Water Leaks Brakes, Front - Pulsation Diagnosis, Correction, Repair 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 Recommended Repairs Seals, Gaskets 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 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 Electrical - Proper Procedures When Probing Wiring Warranty - Goodwrench Service Lifetime Service Guarantee Warranty - GM Dealer Parts Procurement Roadside Service Plan - Extension Availability Campaign - Quick Reference Cards 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 - Claim Processing Warranty - Claims Processing Warranty - Corporate Parts Return Program Instructions Vehicle - Use of a Diagnostic Worksheet Warranty - Changes in Claim Submission Vehicle - AC Delco Locator Service, Electronics Exchange Electrical - Wiring Repair Temp Range Precaution List of Recall/Campaigns Campaign - Product Bulletin Numbering System Vehicle - Labor Times Guide Request for Review Parts - Expediting Procedures Glass - Adhesive Caulking Kit Revisions Warranty - Corporate Parts Return Program Electrical Systems - Clarifying 1-800-Packard Services Service Bulletin Corrections Electrical Systems - Electrostatic Discharge Damage I/M 240 Repairs - Obtaining Technical Assistance Electrical - Wire Probing Device Brakes - Light Drag While Driving, Switch Adjustment Engine/Fuel - Fuel Injector and Choke Light Service ECM - Driveability Concerns/Erratic Warning Lamps Electrical - Instrument Panel And General Wiring Repair A/C - System & Circuit Description A/C - Leak Test A/C System - Flushing With Refrigerant 11 A/C Refrigerant - Contamination Tools - A/C Leak Detector Maintenance Kit Availability A/C - Systems With R12 Or R134a Service Issue A/C - Tool And Equipment Maintenance A/C - PureGuard 2 Operating Alert Power Steering System - Bleeding Procedure Vehicle - Vibration Diagnosis Charts, Reed Tachometer A/T & M/T - AC Delco Remanufactured Transmissions ACDelco(R) Remanufactured Transmissions - Program Update Engines - Remanufactured Engines - ACDelco Remanufactured Engine - Surface Conditioning Discs Precautions Engine - AC Delco Remanufactured Engines Engine - Effects of Top Engine Cleaner On CAT Converter ISC/TPS - System Operation Engine - Poor Fast Idle With A/C Engaged Steering - System Bleed Procedures Front Brakes - Noise Brakes - Rotor Refinishing/Pad Replacement MIL On, Poor Driveability, and DTC's 44 or 45 Set A/C Compressor - Loading in Defrost Mode A/C Compressor Seal Washer - Reference Chart A/C - Blower Motor Replacement Part A/C - Unwanted High Blower Operation With Key Off Suspension - Shock Absorber/Strut Replacement Guidlines Campaign - Temporary Reduction of P/S Assist When Cold P/S - Power Rack & Pinion Steering Gear Service Parts Power Steering - Short Gear Assemblies Power Steering - Lack of Assist on Cold Start Steering - Rack & Pinion Short Gear Assembly Engine - Revised Piston-to-Bore Clearances Oil Pump Rotor and Slide - Updated Part Numbers Cooling - Radiator Repair/Replacement Guidelines Engine - Rear Main Seal Oil Leak Exhaust Manifold - Cracking Wheels - Air Leak, Cast Aluminum Wheel Porosity Wheels - Sealing Leaking Cast Aluminum Aluminum Wheel Weights - Revised Aluminum Wheels- Corrosion Around Wheel Weights Warranty - OE Chrome Plated Aluminum Wheel ID Tires - Company Warranty Assistance Programs Tires - Speed Rated Information Front Bumper Center Filler - Wavy Condition Door Lock Cylinder - Binding/Sticking/Key Hard to Insert Front Door Lock - Sticks or Binds Locks - Door/Deck Lid Lock Cylinders Inoperative Sunroof/Moonroof - (Vista) - Water Leaks Sunroof - Vista Vent Water Leaks Body/Frame - Miscellaneous Items A/T - New R&R Sun Gear Bearing & Pinion Gear Washers A/T - 125C Oil Pan/Auxiliary Valve Body Cover Leaks A/T - THM 125-C Side Cover or Bottom Pan Leaks A/T - Fluid Leaks A/T - Slipping in All Ranges A/T - Engine Stall When Engaging Reverse or Drive A/T - Torque Converter End Play Measurement & Tool Tools - Introduction Of The Fuel Injector Tester ECM - Tap Test Precautions Oxygen Sensors - Silica Contamination Brakes - Squeal/Whistle Upon Application Battery - Diagnosis and Charging Warranty - New Vehicle/Replacement Battery Battery - Insulator Replacement & Caution Battery - Add On Electrical Equipment, Side Terminals PROM - False Code 34 Set During Idle or Deceleration Information On PROM Calibrations PROM - Calibrations Listings Engine Controls - Drivetrain, PROM Calibration Summary Fuel - Feed/Return Pipe Repairs Recall 82V021000: Fuel Filler Pipe Vent Hose Clamp Emissions - Replacement Procedure for Dual Bed Cat Engine - Roughness or Stall At Idle Cellular Telephone - Installation Guidelines Seat Belt Extenders - Availability Lap/Shoulder Belts - Dealer Installed Rear Kits IP Dimmer Control - Proper Setting Engine - Proper 75 mm Oil Filter Installation Oil Filters - Recycling Information Brakes - Rotor Surface Refinish Brakes - Rotor & Hub Flange Cleaning Tool Revision A/T - Refrigerant Schrader Valve Replacement A/C - Refrigerant Loss From Schrader Valve Caps A/C - Refrigerant Loss Due to Loose or Missing Fitting Engine - Miss, Hesitation, or Roughness Engine - Power Loss, Hesitation, Shudder/Backfire HEI System - Description and Diagnosis Chart Anti-Lock Brake - Aftermarket Products Usage Precaution Suspension - 25 MM Strut Rod vs 22 MM Strut Rod Lights - Etching, Stress Cracking, or Discoloration Body - Sealer Tape For Collision Repairs 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 Engine - Poor Driveability Engine Controls - Poor Performance in Diagnostic Mode Oxygen Sensor Test - Revised Tech 1 Mass Storage CD Erratic Idle Speed Fluctuations, DTC 30 (ISC Circuit) Warranty - Driveability Problems From Add On Equipment Front Door Hinge - Check Link Roller Repair Child Restraint - Auxiliary Seat Belt Windshield - Two-Part Urethane Adhesive For Installation Windshield Wipers - Chatter and/or Wipe Unevenly Wiper Blades - Chatter on Windshield Wipers - Blade Chatter Wiper Blades - Chatter/Poor Wipeability Body - Loose Rear Deck Lid Luggage Carrier Rail Nuts Coolant - Information on Propylene Glycol Usage Warranty - Recycled Engine Coolant Policy Cooling System - Reconstituted Anti-Freeze Engine Coolant - Substitute Warning Cooling System - Recycling Coolant Update Cooling System - Use of Recycled Coolant A/T - THM 125C Delayed Neutral to Drive Engagement A/T - Slipping 2-3 Upshift/No 3rd Gear Operation A/T - Intermittent or Complete Loss of Reverse A/T - New Design Selective Washer for Internal Repairs A/T - Harsh Park/Neutral to Drive Engagement A/T - Rough Neutral to Drive Gear Engagement A/T - Revised Drive Link Wear Specifications Final Drive Case Bushing - Replacement Front Converter Seal - Oil Leak A/T - Replacement Transmission Part Numbers A/T - Core Return Product Feedback Form A/T - Service Replacement A/T - Engine Vacuum Testing A/T - How To Use A Pressure Gauge A/T - Slipping or No-Shift/Metal Sealing Rings A/T - Front Bushing Wear A/T - Math Formulas Part I A/T - Twenty Steps To Successful Repairs A/T - Math Part II A/T - Choosing the Right ATF A/T - Dash or Steering Wheel Shake at Idle Compact Disc Players - CD Changer Loading Procedures SIR - Operating Vehicle with Warning Light On A/T - Dexron IIE Transaxle Fluid A/T - Servicing Vehicle With Contaminated Fluid A/T - DEXRON III Fluid Introduction TCC - Shudder After Apply and No Release Diagnosis A/T - Torque Converter Clutch Shudder Diagnosis A/T - Shudder, Chuggle or Surge When T.C.C. Is Engaged Secondary Ignition Wire - Service Precautions PROM/MEMCAL - Identification Marks Instrument Panel - Upper Surface Reflection Suspension - Chassis Lubrication Importance Electrical - New Nickel Tape Shields Harnesses Fuels - Effect of Volatility On Driveability Conditions Engine/Fuel System Controls - Miscellaneous Items Fuel - How Fuel Economy Is Determined Cruise Control - Information Update Tires/Wheels - Wheel Weight Usage Precautions Power Antenna - Rod and Cable Service Package Power Antenna - Service Parts Ordering Information Body - Urethane Adhesives for Glass Applications Key Code - Information Paint - Increased Paint Transfer Efficiency Paint - Removal of Exterior Finish By Layers Warranty - Rail Dust Removal & Chemical Spotting Labor Control Valve Assembly - Cleaning & Service Procedures A/T - Oil Exhausting From Vent Engine - Chuggle/Poor Fuel Economy/Shudder A/T - Evaluating Peened Spacer Plates Drivetrain - Recommended Axle Lubricant A/T - Growling Noise In Park On an Incline A/T - Service Case With Missing Plugs Drivetrain - New Seal Protector for Drive Axle R&R Contaminated R12 Refrigerant - Testing & Handling A/C - Retrofitting R-12 Vehicles to R-134A A/T - Whine Noise In Park or Neutral Suspension - Noise From Rear of Vehicle P/S - Reduced Assist When Cold Vista-Vent - Water Leaks Brakes, Front - Pulsation Diagnosis, Correction, Repair Fuel - Reformulated/Oxygenated Gasolines Alignment - Revised Front Toe Specification 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 Brakes - Rotor Lateral Runout Correction Information Restraints - Usage of Used/Salvaged/Imitation Components A/T - 4L60, Revised Sprag/Forward Clutch Hub 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) 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