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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 Fuel System - Factors That Affect Economy/Mileage Dash Board - Cleaning of Upper Panel Surfaces Instrument Panel - Lights Inoperative With Switch ON A/C - Odor Cooling System - Leaks A/T - Intermittent Slip, Downshift, or Busy Cycling TCC Wheels - Air Leak, Cast Aluminim Wheel Porosity Tires, Front - Premature Wear on RWD Vehicles Body - Front End Valance Panel Noise Door Locks - Binding or Sticking or Key Hard to Insert Front End - Water Leak Diagnosis and Repair Drivetrain - Driveline Squeaking At Low Speeds Repair A/T - Whining Noise/Slow/Slipping Engagement Engine - Stops Running When Shifted to Reverse/Drive Emissions - Vibration Damaging CAT Air Inlet Tube Cruise Control - Engine Surge More Noticeable Low Speeds Radio - Alternator Noise Whine Left Channel Audio - Poor AM or FM Radio Reception Oil Filters (Small 75 mm) - Leakage Prevention Brakes - Poor Rotor Finish/Hard Pedal Feel A/C - R12 Loss From Loose or Missing Access Fitting Caps Engine - Miss, Hesitation, or Roughness Inlet Heater Hose - Ruptured A/C - Refrigerant Hose & Clamp Repairs Wheels - Wire Wheel Cover Noisy At Low Speeds A/T - THM 180/180C Slipping or No Upshift A/T - 2-1 Coastdown Clunk M/T - Neutral Gear Noise/Diagnosis/Repair M/T - Neutral/Drive Gear Rattle Compact Disc Players - CD Changer Loading Procedures SIR - Operating Vehicle with Warning Light On Instrument Panel - Upper Surface Reflection Fuels - Effect of Volatility on Driveability Paint - Blushing Condition On Dispersion Lacquer A/T - No Upshift Condition After Downshift Turn Signal Lever - Rattles P/S - Reduced Assist When Cold Power Steering - Reduced Assist At Low Temperatures Brakes, Front - Pulsation Diagnosis, Correction, Repair Igntion - Timing Adjustment Alleviates Detonation Fuel - No Start, Driveability, Excessive Alcohol Content 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 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 Warranty - Diagnostic Claim Processing Revisions Electrical - Wiring Repair Temp Range Precaution Campaign - Product Bulletin Numbering System VIN - Passenger Car & Truck Identification Parts - Expediting Procedures Glass - Adhesive Caulking Kit Revisions Warranty - Corporate Parts Return Program I/M 240 Repairs - Obtaining Technical Assistance Fuel System - Factors That Affect Economy/Mileage Dash Board - Cleaning of Upper Panel Surfaces Instrument Panel - Lights Inoperative With Switch ON Electrical - Instrument Panel And General Wiring Repair A/C - Odor A/C - CFC Reduction & Refrigerant Recovery Recycling 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/T & M/T - AC Delco Remanufactured Transmissions ACDelco(R) Remanufactured Transmissions - Program Update Engine - Recommended RTV Sealants Engines - ACDelco Remanufactured Engine - Surface Conditioning Discs Precautions Engine - AC Delco Remanufactured Engines Cooling System - Leaks A/T - Intermittent Slip, Downshift, or Busy Cycling TCC Steering - System Bleed Procedures Fuel - Pump Replacement Caution, Strainer A/C - Compressor Assembly Availability A/C - System Diagnostic Procedure A/C Compressor Seal Washer - Reference Chart Suspension - Shock Absorber/Strut Replacement Guidlines Steering - Power Rack & Pinion Gear Service Information Steering - Rack and Pinion Short Gear Availability Cooling - Radiator Repair/Replacement Guidelines Brakes - Manual Clarified, Caliper To Knuckle Clearance Wheels - Air Leak, Cast Aluminim Wheel Porosity Wheels (Steel) - Damage Due to Improper Mounting Wheels - Installation of After Market Styled Wheels Wheels - Sealing Leaking Cast Aluminum Wheels - Procedure For Removing Tight Fitting Wheels Aluminum Wheels - New Coated Wheel Weights Warranty - OE Chrome Plated Aluminum Wheel ID Wheels - Locking Wheel Nuts Impact On Tire Balance Tires, Front - Premature Wear on RWD Vehicles Tires - Speed Rated Information Body - Front End Valance Panel Noise Door Locks - Binding or Sticking or Key Hard to Insert Lock Cylinders - Inoperative/Proper Lubricant Usage Front End - Water Leak Diagnosis and Repair Drivetrain - Driveline Squeaking At Low Speeds Repair A/T - Updated Side Cover Or Bottom Pan Removal Differential Pinion Shaft Lock Screw - Service A/T - Whining Noise/Slow/Slipping Engagement A/T - Modulator Chart Engine - Stops Running When Shifted to Reverse/Drive MAP - Revised Check Chart for DTC's 33, 34, 63, 64 A/T - New Design Torque Converter Lugs Flywheel Bolts - Revised Torque Specification Fuel Injectors - Remanufactured for TBI Systems Tools - Introduction Of The Fuel Injector Tester ECM - Revised Replacement Procedure Engine Controls - ECM May Contain Wrong PROM ECM/PCM - Damaged and/or Misdiagnosed Oxygen Sensors - Silica Contamination Battery - Parasitic Current Drain Diagnosis Battery - Diagnosis and Charging Battery - Parasitic Draw Test Warranty - New Vehicle/Replacement Battery Battery - Insulator Replacement & Caution Fuel - Feed/Return Pipe Repair Fuel - Line O Rings Precaution Emissions - Vibration Damaging CAT Air Inlet Tube Cruise Control - Engine Surge More Noticeable Low Speeds Audio - Radio Frequency Interference (RFI) Diagnosis/ID Radio - Alternator Noise Whine Left Channel Audio - Poor AM or FM Radio Reception Accessories - Radio Telephone/Mobile Radio Precautions Seat Belts - Extender Availability Lap/Shoulder Belts - Dealer Installed Rear Kits IP Dimmer Control - Proper Setting Oil Filters (Small 75 mm) - Leakage Prevention Brakes - Poor Rotor Finish/Hard Pedal Feel Brakes - Pulsations and Rotor Surface Refinish Brakes - Change In Brake Feel After Rotor Refinishing Brakes - On-Car Rotor Turning Tool Brakes - Rotor & Hub Flange Cleaning Tool Revision A/C - Refrigerant Loss Prevention A/C - R12 Loss From Loose or Missing Access Fitting Caps Engine - Miss, Hesitation, or Roughness A/T - Sporadic Engagement of Torque Converter Clutch Odometer/Speedometer - ACDelco Service Center Locations Inlet Heater Hose - Ruptured A/C - Refrigerant Hose & Clamp Repairs Anti-Lock Brake - Aftermarket Products Usage Precaution Body - Vinyl Trim and Vinyl Top Repair Information Body - Sealer Tape For Collision Repairs Aftermarket Accessories - Installation Guidelines 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 Engine Controls - Electrostatic Discharge Damage Fuel System - Integrator/Block Learn Operation Electrical Terminals - Updated Procedure for Metric-pack Oxygen Sensor Test - Revised Tech 1 Mass Storage CD Child Restraint - Auxiliary Seat Belt Windshield - Two-Part Urethane Adhesive For Installation Wiper Blades - Chattering on Windshield Bumper - Painting Flexible Plastic Parts Engine Oil - Discoloration (Oil Dye) Maintenance - Updated Minimum Acceptable Oil Levels Cooling System - Reconstituted Anti-Freeze Information Coolant - Information on Propylene Glycol Usage Warranty - Recycled Engine Coolant Policy Cooling System - Use of Recycled Engine Coolant Coolant - Used Anti-Freeze Policy P/S - Rack & Pinion O-Ring Seal Fitting Leaks P/S - Submerged Style Pump "O" Ring Change Wheels - Wire Wheel Cover Noisy At Low Speeds A/T - No 1st Gear/Slips In 1st Gear A/T - THM 3T40 New Roller Clutch A/T - THM 180/180C Slipping or No Upshift A/T - 2-1 Coastdown Clunk A/T - Understanding Identification Information A/T - Identification Information A/T - Drive Link Wear Specifications Revised A/T - 3T40/4T60 Noise In Park On an Incline Recall - Shifter Moves Without Pressing Release Button Recall - Shifter Moves WIthout Pressing Release Button A/T - Core Return Product Feedback Form A/T - Converter Clutch Solenoid Fluid Source I.D. A/T - Torque Converter Identification A/T - Engine Vacuum Testing A/T - Diagnosing Converter Lock-Up Problems A/T - How To Use A Pressure Gauge A/T - Drive Axle and Wheel Lug Nut Torque Specifications A/T - No Converter Clutch Apply When Unit Is Hot A/T - 180C Erratic Shift,, Late Shifts, Burnt Clutch A/T - Rapid Converter Pump Bushing Wear A/T - Converter Clutch Shudder A/T - Pressure Tap Locations A/T - Governor Pressure Switches 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 - Sprag Rotation 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 M/T - Neutral Gear Noise/Diagnosis/Repair M/T - Neutral/Drive Gear Rattle Compact Disc Players - CD Changer Loading Procedures SIR - Operating Vehicle with Warning Light On Engine - Rough/Unstable/Incorrect Idle A/T - DEXRON III Fluid Introduction Isolation Diodes - Replacement Information PROM/MEMCAL - Identification Marks Instrument Panel - Upper Surface Reflection Instrument Panel - Upper Surface Cleaning Suspension - Chassis Lubrication Importance Electrical - New Nickel Tape Shields Harnesses Fuels - Effect of Volatility on Driveability Fuel - How Fuel Economy Is Determined Cruise Control - Misdiagnosed Delay Cruise Control - Diagnostic Routine Modified Tires/Wheels - Wheel Weight Usage Precautions Seat - Rear Lap/Shoulder Belt Kits Body - Urethane Adhesives for Glass Applications Key Code - Information Paint - Acid Rain Damage to Base Coat/Clear Coat Paint - Basecoat/Clearcoat Repair Systems Warranty - Chipped Paint Diagnosis & Repair Paint - High Volume Low Pressure Paint Application Paint - Importance of Checking Clear Coat Thickness Paint - Blushing Condition On Dispersion Lacquer Warranty - Rail Dust Removal & Chemical Spotting Labor Electrical Connectors - Service Procedure A/T - No Upshift Condition After Downshift A/T - Evaluating Peened Spacer Plates A/T - Servo Cover Retainer Ring Modified Turn Signal Lever - Rattles A/T - 3T40 New Side Cover and Bottom Pan Gasket A/C - Use of Alternate Refrigerants In CFC 12 Contaminated R12 Refrigerant - Testing & Handling A/C - Retrofitting R-12 Vehicles to R-134A Recall 88V050000: Transmission Shift Lever Defect P/S - Reduced Assist When Cold Power Steering - Reduced Assist At Low Temperatures Daytime Running Lamp - Retrofit Kits Brakes, Front - Pulsation Diagnosis, Correction, Repair Igntion - Timing Adjustment Alleviates Detonation Fuel - Reformulated/Oxygenated Gasolines Fuel - No Start, Driveability, Excessive Alcohol Content Fuel - Use of Gasoline Containing 15 Percent MTBE Alignment - The Importance of Four Wheel Alignment 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) 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