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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 A/C - Moan Air Conditioning - Moan and Vibration A/C - Blower Motor Inoperative or Will Not Stop Running Suspension - Chassis Spring Shims Wheels - Cast Aluminum Wheel - Porosity Repairs Cast Aluminum Wheels - Leaking Tires, Front - Premature Tire Wear Locks - Door Lock Cylinders Bind, Sticks Seat Back, 3RD Release System - Inoperative Master Cylinder - Quick Take Up Valve Squeak/Whistle Battery - Dead Due to Excessive Current Draw Battery - Dead or No Crank After Setting Overnight Engine Controls - Poor Driveability Corrections Remote Canister Control Valve - Test Procedure Engine - Miss, Hesitation, or Roughness Horn - Blowing Effort Excessive In Cold Temperatures Parking/Turn Lamp Bezel - Whistle Noise Above 45 MPH Connector Terminals - Contact Checking Procedure Tailgate - Water Leaks Wipers - Chattering Blades or Poor Wipeability A/T - Delayed Drive Engagement Concern A/T - No Fourth Gear A/T - 2004R Gear Whine Noise A/T - Harsh Park/Neutral to Drive Engagement Audio - Poor Radio Reception, Antenna Coaxial Terminal Compact Disc Players - CD Changer Loading Procedures SIR - Operating Vehicle with Warning Light On Engine - Stops Running Due to TCC Engagement Instrument Panel - Upper Surface Reflection Carpet Inserts - Loose A/T - Shift Busyness Driving Inclines With Cruise On A/T - Erratic Shift Patterns P/S - Reduced Assist When Cold P/S - Proper Fluid Usage, Do not use ATF Power Steering - Reduced Assist At Low Temperatures 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Cast Aluminum Wheels Electrical - Intermittent MIL/DTC P2138/Reduced Power Recommended Repairs Seals, Gaskets Superceded Bulletins All Technical Service Bulletins Interior - Eliminating Unwanted Odors in Vehicles Locks - Key Code Security Rules, Key Code Look Up Vehicle - Engine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 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 - Claims 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 Parts - Expediting Procedures Glass - Adhesive Caulking Kit Revisions Warranty - Corporate Parts Return Program I/M 240 Repairs - Obtaining Technical Assistance Electrical - Instrument Panel And General Wiring Repair A/C - Leak Test A/C - Moan 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 Steering - Identifying Rack and Pinion Noises Vehicle - Fluid Leak Detection/Dyes A/T & M/T - AC Delco Remanufactured Transmissions ACDelco(R) Remanufactured Transmissions - Program Update Engines - ACDelco Remanufactured Engine - Surface Conditioning Discs Precautions Engine - AC Delco Remanufactured Engines Engine Controls - TPS Specifications Idle Speed Control Assembly - Repair Kit Steering - System Bleed Procedures Ignition - Spark Plug Application & Gap A/C Compressor Shaft Nut - Removal (Discontinued) A/C Compressor Seal Washer - Reference Chart Air Conditioning - Moan and Vibration A/C - Blower Motor Inoperative or Will Not Stop Running Suspension - Shock Absorber/Strut Replacement Guidlines Steering - Power Rack & Pinion Gear Service Information Steering - Rack and Pinion Short Gear Availability Steering - Split Rings For Rack and Pinion Cooling - Radiator Repair/Replacement Guidelines Suspension - Chassis Spring Shims Wheels - Cast Aluminum Wheel - Porosity Repairs Cast Aluminum Wheels - Leaking Wheels - Sealing Leaking Cast Aluminum Warranty - OE Chrome Plated Aluminum Wheel ID Tires, Front - Premature Tire Wear Tires - Speed Rated Information Locks - Door Lock Cylinders Bind, Sticks Six-Way Power Seat - Inoperative Seat Back, 3RD Release System - Inoperative Rear Deck Lid Weatherstrip Ooze-Out - Replacements A/T - 200-4R New Oil Pump Vanes A/T - THM 200 Pumps And Valve Bodies Interchangeability A/T - 2004R/700R4 Oil Pump & Slide Service A/T - Pump Body/Fluid Leaks At Front Seal MAP - Revised Chart C-1D, DTC's 33, 34, 63, 64 Fuel Injector - Causes of Electrical Damage Tools - New Fuel Injection Tester Tools - Introduction Of The Fuel Injector Tester ECM - Failures Caused by Shorted Relays/Solenoids Engine Controls - Integrator/Block Learn Explained Oxygen Sensors - Silica Contamination Master Cylinder - Quick Take Up Valve Squeak/Whistle Brakes - New Restricted Brake Fluid Passage Diagnosis Battery - Revised Ammeter Connecting (Parasitic Drain) Battery - Dead Due to Excessive Current Draw Battery - Dead or No Crank After Setting Overnight Battery - Diagnosis and Charging Warranty - New Vehicle/Replacement Battery Battery - Insulator Replacement & Caution Engine - Poor Performance/Driveability/Fuel Mileage Engine Controls - Heavy Chuggle, Surge at 35 to 55 MPH Engine Controls - Poor Driveability Corrections VITON Accelerator Pumps - Now Available Fuel Line - O-Rings Composition Remote Canister Control Valve - Test Procedure Emissions - Effects of Top Engine Cleaner on Converter Emissions - EPA Announces Catalytic Converter Campaign Recall - Catalytic Converter Replacement Air Management System (A.I.R.) - Rusting Pipes Power Antenna - Relay Replacement Audio - Radio Frequency Interference (RFI) Diagnosis/ID Lap/Shoulder Belts - Dealer Installed Rear Kits IP Dimmer Control - Proper Setting Oil Filter (75 mm) - Proper Installation Engine - Recycling Used Oil Filters Disc Brakes - Service Information Tools - On-Vehicle Brake Lathe Cutting Tips Brakes - Rotor & Hub Flange Cleaning Tool Revision A/C System - Refrigerant Loss Prevention A/T - No Reverse/First Gear Only Engine - Miss, Hesitation, or Roughness HEI System - Description and Diagnosis Chart Horn - Blowing Effort Excessive In Cold Temperatures Odometer/Speedometer - ACDelco Service Center Locations Engine - New Crankshaft (Harmonic) Balancer Composition Oil Pan Gaskets - Available Anti-Lock Brake - Aftermarket Products Usage Precaution Body - Sealer Tape For Collision Repairs Parking/Turn Lamp Bezel - Whistle Noise Above 45 MPH Accessories (Aftermarket) - Installation Guidelines Emissions Testing Vehicle Preconditioning Maintenance Reminder Flag - Reseting Procedure 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 CCC and Diagnosis Charts - Manual Supplements Oxygen Sensor Test - Revised Tech 1 Mass Storage CD Connector Terminals - Contact Checking Procedure Rear Pinion Bearing - Outer Race Installer Front Door Hinge - Check Link Roller Repair Deck Lid Support Service Kit - Available Tailgate - Water Leaks Child Restraint - Auxiliary Seat Belt Windshield - Two-Part Urethane Adhesive For Installation Wipers - Chattering Blades or Poor Wipeability Cooling System - Reconstituted Antifreeze Coolant - Information on Propylene Glycol Usage Warranty - Recycled Engine Coolant Policy Engine Coolant - Substitutes Not Recommended Reconstituted Antifreeze - Coolant Testing A/T - Delayed Drive Engagement Concern A/T - No Fourth Gear A/T - New Design Selective Washer A/T - 2004R Gear Whine Noise A/T - Harsh Park/Neutral to Drive Engagement A/T - 200R4 Improved Forward Clutch/Smoother Engagement TCC - Elimination of the Valve Train A/T - New R&R Final Drive Pinion Gear Washers & Sun Gear A/T - Remanufactured Unit Availability A/T - Core Return Product Feedback Form A/T - 200C/2004R Updated Servo Cover Retaining Ring A/T - 2004R/700R4 Pump Assembly A/T - 2004R Updated Control Valve Assembly A/T - THM 2004R Firm or Harsh/Soft or Slipping 1-2 Shift A/T - 2004R Pump Assembly Identification A/T - THM 200 & 2004R New Transmission Oil Pan Gasket A/T - Converter Clutch Solenoid Fluid Source I.D. A/T - 700R4 & 2004R New Iron Pump Rings A/T - 200R4 Delayed Neutral To Reverse Engagement A/T - Torque Converter Identification A/T - 200, 325, 2004R, 3254L GM Servos A/T - Engine Vacuum Testing A/T - Diagnosing Converter Lock-Up Problems A/T - 200R4 Valve Body Assembly Inspection A/T - How To Use A Pressure Gauge A/T - THM 350C Bind-Up On 2-3 Shift A/T - THM 350/350C Rattling Noise A/T - 200/200C/200R4, 325/3254L, 700-R4 No 2nd Gear A/T - THM Late or No Upshifts A/T - 200R4 Bind-Ups In Reverse/No Movement A/T - 700R4, 2004R No Line Pressure Rise A/T - 200R4 Harsh Shift 1-2 Shift at Any Speed A/T - No Converter Clutch Apply When Unit Is Hot A/T - THM 350C Third Gear Switch Shorting On Pan A/T - 200/2004R, 325/3254L No Reverse/First Gear Only A/T - 200C Coastdown Clunk Condition A/T - Recurrent Sticking Valves/In Line Filters A/T - THM 200C Servicing Converter Clutch Apply Screen A/T - THM 200C In Reverse Range Engine Stops Running 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 - 125/200/200 4R/325 4L Late or No Upshift A/T - THM 350 Cracked Case 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 - 2004R/200C, 325 Soft 1-2 Shift A/T - Slipping Or No Third Gear After Overhaul A/T - 200/2004R, 325/3254L Harsh or Soft 2-3 Shift A/T - 2004R Accumulator Piston & Spring A/T - Governor Pressure Switches A/T - 200/200C No Passing Gear/Check Ball Mislocated A/T - THM 350/350C Starts In Second Gear After Rebuild A/T - 200R4 No Second Gear Or No TCC Clutch Engagement A/T - Methods to Check for Restricted Exhaust A/T - THM 200/200C No Reverse A/T - Slipping or No-Shift/Metal Sealing Rings A/T - THM 350C No Torque Converter Clutch Engagement A/T - Front Bushing Wear A/T - No Upshift/Governor Contamination A/T - THM Steel Clutch Piston Inspection A/T - Sprag Rotation A/T - THM 200C Ball Capsule Versus Cup Plug in TC A/T - THM 2004R 700R4 TCC Stalls Engine In Drive/Reverse A/T - Checking Pressure Switches For Leaks A/T - THM 200/200C No Passing Gear Above 35 MPH A/T - Math Formulas Part I A/T - Twenty Steps To Successful Repairs A/T - 4L60/THM 700R4 200R4 Fluid Filter Seal A/T - Math Part II A/T - 700R4/2004R Fluid Filter Seal Correction A/T - 700R4/200-4R New Fluid Filter Seal A/T - Choosing the Right ATF Audio - Poor Radio Reception, Antenna Coaxial Terminal Compact Disc Players - CD Changer Loading Procedures SIR - Operating Vehicle with Warning Light On A/T - New Transmission/Transaxle Fluid A/T - Servicing Vehicles With Contaminated ATF A/T - DEXRON III Fluid Introduction Engine - Stops Running Due to TCC Engagement A/C - Control Head Failure, Mode LEDs Flashing Coolant Sensor - Improved Kit PROM/MEMCAL - Identification Marks Instrument Panel - Upper Surface Reflection Instrument Panel - Upper Surface Cleaning Suspension - Chassis Lubrication Importance Electrical - New Nickel Tape Shields Harnesses Fuel - How Fuel Economy Is Determined Tires/Wheels - Wheel Weight Usage Precautions Power Antenna - Rod & Cable Service Package Body - Urethane Adhesives for Glass Applications Key Code - Information Warranty - Rail Dust Removal & Chemical Spotting Labor Carpet Inserts - Loose A/T - Revised Rear Bushing Remove and Install Procedure A/T - Shift Busyness Driving Inclines With Cruise On A/T - Evaluating Peened Spacer Plates A/T - Erratic Shift Patterns Drivetrain - Recommended Axle Lubricant Contaminated R12 Refrigerant - Testing & Handling A/C - Retrofitting R-12 Vehicles to R-134A A/C - Information On the Use of Alternate Refrigerants P/S - Reduced Assist When Cold P/S - Proper Fluid Usage, Do not use ATF Power Steering - Reduced Assist At Low Temperatures Brakes, Front - Pulsation Diagnosis, Correction, Repair Fuel - Reformulated/Oxygenated Gasolines Fuel - Use of MTBE At 15% or Less In Gasolines Fuel - Effect of Fuel Volatility On Driveability 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 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