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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 ECM - Driveability Concerns/Erratic Warning Lamps A/C System - Flushing With Refrigerant 11 A/C - No Low Blower Operation Engine - Knock and Main Bearing Usage Update Engine Idle Surge, DTC 30 (Idle Speed Control) Set Oil Drain Pan Gasket - Leak Aluminum Wheels- Corrosion Around Wheel Weights Rear Tires - Abnormal Wear Door Lock Cylinder - Binding/Sticking/Key Hard to Insert Locks - Door/Deck Lid Lock Cylinders Inoperative A/T - 325-4L Oil Pan/Sproket Cover Fluid Leaks A/T - Bottom Oil Pan Leak A/T - THM 325-4L Delayed Engagement A/T - Delayed Engagement A/T - Buzz Condition Correction A/T - Delayed Engagement, Loss of Pump Prime Fuel - Hard Start After Injector R&R, Application Chart Starting - Dead Battery/No Crank After Overnight Set Drive Axle Boot - Torn or Worn Instruments - Telltale Lights/Digital Displays Erratic Engine - No Start/Hard Start/Poor Performance Engine - Miss, Hesitation, or Roughness Engine - Power Loss, Hesitation, Shudder/Backfire Engine Controls - Poor Performance in Diagnostic Mode Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053 Erratic Idle Speed Fluctuations, DTC 30 (ISC Circuit) Wiper Blades - Chatter on Windshield Front and Rear Door Armrest - Loose/Broken Console Trim Material - Separating A/T - THM 325-4L Loss of Drive/Binding Feel A/T - No Fourth Gear Operation, DTC 29/39 Set A/T - Hydraulic Noise in Park/Neutral A/T - Oil Leak in Final Drive Area Compact Disc Players - CD Changer Loading Procedures SIR - Operating Vehicle with Warning Light On Instrument Cluster - Unwanted Metric Display Instrument Panel - Upper Surface Reflection A/C System - Multiple Malfunctions Fuels - Effect of Volatility On Driveability Conditions A/C - Loss of Air Delivery A/T - No 1-2 Upshift, Final Drive Noise Engine - Poor Performance At Wide Open Throttle A/T - Soft 1-2 and Harsh 2-3 Shifts A/T - Slip Bump 1-2 and 3-4 Shift P/S - Reduced Assist When Cold Brakes, Front - Pulsation Diagnosis, Correction, Repair A/T - No Reverse, First Gear Only 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 Emissions - EGR Codes E48/E048/Engine Detonation/Ping 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 Bulletin and Service Information Manual - Updates Service Bulletin Corrections Electrical Systems - Electrostatic Discharge Damage I/M 240 Repairs - Obtaining Technical Assistance Electrical - Wire Probing Device 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 A/C - No Low Blower Operation 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 Steering - System Bleed Procedures Recall 93E019000: Fuel Filter Defect Brakes - Rotor Refinishing/Pad Replacement Spark Plug - New Design A/C Compressor Seal Washer - Reference Chart A/C - Blower Motor Replacement Part A/C - Accumulator/Dehydrator Service Replacement Suspension - Shock Absorber/Strut Replacement Guidlines Engine - Knock and Main Bearing Usage Update Engine Idle Surge, DTC 30 (Idle Speed Control) Set Engine - Timing Chain Wear Cylinder Head - Torqueing Instructions Oil Drain Pan Gasket - Leak Engine - Thermostat Adapter Kit Cooling - Radiator Repair/Replacement Guidelines Wheels - Sealing Leaking Cast Aluminum Wheels - Locking Wheel Nuts Impact On Tire Balance 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 Rear Tires - Abnormal Wear Door Lock Cylinder - Binding/Sticking/Key Hard to Insert Locks - Door/Deck Lid Lock Cylinders Inoperative Body/Frame - Miscellaneous Items A/T - 325-4L Oil Pan/Sproket Cover Fluid Leaks A/T - Bottom Oil Pan Leak A/T - 3254L Transmission Oil Pan Leaks A/T - THM 325-4L Delayed Engagement A/T - Delayed Engagement A/T - Buzz Condition Correction A/T - Delayed Engagement, Loss of Pump Prime A/T - Torque Converter End Play Measurement & Tool Fuel - Hard Start After Injector R&R, Application Chart Tools - Introduction Of The Fuel Injector Tester ECM - Tap Test Precautions Starting - Dead Battery/No Crank After Overnight Set Oxygen Sensors - Silica Contamination Drive Axle Boot - Torn or Worn Battery - Diagnosis and Charging Warranty - New Vehicle/Replacement Battery Battery - Insulator Replacement & Caution Battery - Add On Electrical Equipment, Side Terminals Recall 83V065000: Loss of Headlights Ignition System - Alternate On-Car HEI Module Test Instruments - Telltale Lights/Digital Displays Erratic Engine - No Start/Hard Start/Poor Performance Information On PROM Calibrations PROM - Calibrations Listings Threadlocking Compound - Packaging Change Recall 82V060000: Incorrect Accelerator Cable Linkages Emissions - Replacement Procedure for Dual Bed Cat 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 & Hub Flange Cleaning Tool Revision Engine - Main Bearing Usage Information Engine - Main Bearing Application Engine - Miss, Hesitation, or Roughness Engine - Power Loss, Hesitation, Shudder/Backfire HEI System - Description and Diagnosis Chart Crankshaft Balancer/Head Bolt/Torque - Revised Engine - Revised Oil Pan Gasket Anti-Lock Brake - Aftermarket Products Usage Precaution Lights - Etching, Stress Cracking, or Discoloration Full Cabriolet Roof - Care and Servicing 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 Controls - Poor Performance in Diagnostic Mode Ignition - Miss, Stumble, Hesitation, Code 53, E53, E053 Oxygen Sensor Test - Revised Tech 1 Mass Storage CD Erratic Idle Speed Fluctuations, DTC 30 (ISC Circuit) Warranty - Driveability Problems From Add On Equipment Door Trim Panel Support - Repair Child Restraint - Auxiliary Seat Belt Windshield - Two-Part Urethane Adhesive For Installation Wiper Blades - Chatter on Windshield Wipers - Blade Chatter Front and Rear Door Armrest - Loose/Broken Coolant - Information on Propylene Glycol Usage Warranty - Recycled Engine Coolant Policy Cooling System - Reconstituted Anti-Freeze Cooling System - Recycling Coolant Update Cooling System - Use of Recycled Coolant Intake Manifold Gasket - Revised Sealing System Engine - New Design Intake Manifold Gaskets Console Trim Material - Separating Wheels - Wrench Availablity For Locking Wire Covers A/T - THM 325-4L Loss of Drive/Binding Feel A/T - No Fourth Gear Operation, DTC 29/39 Set A/T - New Design Selective Washer for Internal Repairs A/T - Delayed Engagement/Loss of Power A/T Serviceman Bulletin - Update Information A/T - Final Drive to Transmission Gasket Installation A/T - Hydraulic Noise in Park/Neutral A/T - Replacement Transmission Part Numbers A/T - Core Return Product Feedback Form A/T - Service Replacement A/T - Oil Leak in Final Drive Area A/T - 3254L Updated Check Valve Prevents Delayed Engage A/T - THM Control Valve Assembly Cleaning/Servicing A/T - 3254L Manual Update A/T - Converter Clutch Solenoid Fluid Source I.D. A/T - 3254L Accumulator Spring Identification A/T - Torque Converter Identification A/T - 200, 325, 2004R, 3254L GM Servos A/T - DFI Trouble Shooting A/T - Engine Vacuum Testing A/T - How To Use A Pressure Gauge A/T - 3254L Bind-Up In Reverse A/T - 200/200C/200R4, 325/3254L, 700-R4 No 2nd Gear A/T - THM Late or No Upshifts A/T - 3254L Erratic Shift/Late Upshift/Starts 2nd or 3rd A/T - 3254L Repeated Failure After Rebuild A/T - 3254L Very Harsh 1-2 Shift at Any Speed A/T - 3254L Burnt Over-Run Clutch/Bind-up into 4th Gear A/T - 200/2004R, 325/3254L No Reverse/First Gear Only A/T - Recurrent Sticking Valves/In Line Filters A/T - Rapid Converter Pump Bushing Wear A/T - 125/200/200 4R/325 4L Late or No Upshift A/T - 3254L Mispositioned Sleeve, Blocked Passages A/T - Sticking Throttle Valves A/T - 2004R/200C, 325 Soft 1-2 Shift A/T - 3254L Changing the Manual Lever Shaft Seal A/T - 3254L No Third Gear/Burned Third Gear Clutches A/T - 3254L Valve Body Spring Update A/T - 3254L Air Checking the Clutches A/T - Slipping Or No Third Gear After Overhaul A/T - 200/2004R, 325/3254L Harsh or Soft 2-3 Shift A/T - 3254L Popping or Grinding on Accel/Chain Wear A/T - Methods to Check for Restricted Exhaust A/T - Slipping or No-Shift/Metal Sealing Rings A/T - Front Bushing Wear A/T - No Upshift/Governor Contamination A/T - THM Steel Clutch Piston Inspection A/T - Sprag Rotation A/T - 3254L No 4th Gear/Possible Governor Problem A/T - 3254L Overdrive Planetary Carrier Interchange A/T - Checking Pressure Switches For Leaks A/T - Math Formulas Part I 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 A/T - Dexron IIE Transaxle Fluid A/T - Servicing Vehicle With Contaminated Fluid A/T - DEXRON III Fluid Introduction Torque Converter Clutch - Valve Train Service Secondary Ignition Wire - Service Precautions PROM/MEMCAL - Identification Marks Instrument Cluster - Unwanted Metric Display Instrument Panel - Upper Surface Reflection Climate Control System - Air Delivery Diagnosis A/C System - Multiple Malfunctions Suspension - Chassis Lubrication Importance Engine - Guideline For Oil Economy 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 A/C - Loss of Air Delivery Control Valve Assembly - Cleaning & Service Procedures A/T - Evaluating Peened Spacer Plates A/T - No 1-2 Upshift, Final Drive Noise Drivetrain - Recommended Axle Lubricant Engine - Poor Performance At Wide Open Throttle A/T - Soft 1-2 and Harsh 2-3 Shifts A/T - Slip Bump 1-2 and 3-4 Shift Contaminated R12 Refrigerant - Testing & Handling A/C - Retrofitting R-12 Vehicles to R-134A P/S - Reduced Assist When Cold Brakes, Front - Pulsation Diagnosis, Correction, Repair Fuel - Reformulated/Oxygenated Gasolines A/T - No Reverse, First Gear Only 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 Emissions - EGR Codes E48/E048/Engine Detonation/Ping 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