Repair and Diagnosis: Technical Service Bulletins
- How to Find Technical Service Bulletins by Category/Symptom
- Recalls
- Customer Interest
- Labor/Parts Updates
- 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- Superceded Bulletins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
- Vehicle - Current Model Line Designators
- 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
- Brake Fluid - Level And Filling Recommendations
- Dash Board - Cleaning of Upper Panel Surfaces
- 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
- Steering - Diagnosing Torque Steer
- Steering - Identifying Rack and Pinion System Noises
- Vehicle - Fluid Leak Detection
- 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
- Idle Micro Switch - Manual Correction
- Steering - System Bleed Procedures
- Fuel - Pump Replacement Caution, Strainer
- Brakes - Premature Brake Wear
- Oil Filter - Changing as a Result of Fouled Plugs
- A/C - Compressor Assembly Availability
- A/C - System Diagnostic Procedure
- A/C Compressor Seal Washer - Reference Chart
- Suspension - Shock Absorber/Strut Replacement Guidlines
- Engine - Do Not Reuse Cylinder Head Bolts
- Engine - Valve Lash Specifications
- Cooling - Radiator Repair/Replacement Guidelines
- Wheels - Air Leak, Cast Aluminim Wheel Porosity
- Aluminum Wheels - Clear Coating Procedure Revised
- Wheels (Steel) - Damage Due to Improper Mounting
- Wheels - Installation of After Market Styled Wheels
- Wheels - Sealing Leaking Cast Aluminum
- Aluminum Wheels - New Coated Wheel Weights
- Warranty - OE Chrome Plated Aluminum Wheel ID
- Tires - Speed Rated Information
- Door Locks - Binding or Sticking or Key Hard to Insert
- Lock Cylinders - Inoperative/Proper Lubricant Usage
- Differential Pinion Shaft Lock Screw - Service
- Automatic Transmission - Improper Operation
- Instrument Cluster - Oil Contamination
- MAP - Revised Check Chart for DTC's 33, 34, 63, 64
- Flywheel Bolts - Revised Torque Specification
- Fuel Injectors - Remanufactured for TBI Systems
- Tools - Introduction Of The Fuel Injector Tester
- Fuel - Gasoline Brands That Clean Port Fuel Injectors
- ECM - Revised Replacement Procedure
- Engine Controls - ECM May Contain Wrong PROM
- ECM/PCM - Damaged and/or Misdiagnosed
- ECM/PCM - Damage Prevention
- Oxygen Sensors - Silica Contamination
- Brakes - Rubbing/Grinding Noise From Rear
- Brake - Pulsations
- Brakes - Rattle Noise At Idle With Brakes Applied
- Battery - Parasitic Current Drain Diagnosis
- Battery - Diagnosis and Charging
- Battery, Delco Freedom - Diagnosis/Charging Procedure
- Battery - Parasitic Draw Test
- Warranty - New Vehicle/Replacement Battery
- Battery - Insulator Replacement & Caution
- CS-121/CS-130 Generators - Replacement
- Fuel System - Carburetor Removal and Choke Adjustment
- Fuel - Feed/Return Pipe Repair
- Audio - Radio Frequency Interference (RFI) Diagnosis/ID
- Radio - Alternator Noise Whine Left Channel
- Audio - Poor AM or FM Radio Reception
- 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
- Headlamp Lens - Distortion Caused by Aiming Equipment
- Recall - Push-Pull Headlight Switch Replacement
- Turn Signals Flashers - Too Quiet
- Engine - External Coolant Leakage
- Anti-Lock Brake - Aftermarket Products Usage Precaution
- 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
- Engine Controls - Correction to Diagnostic Charts
- Electrical Terminals - Updated Procedure for Metric-pack
- Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
- ECM Connectors - Metri-Pack Series 150 Terminal Removal
- Child Restraint - Auxiliary Seat Belt
- Windshield - Two-Part Urethane Adhesive For Installation
- Wiper Blades - Chattering on Windshield
- Engine Oil - Discoloration (Oil Dye)
- 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
- A/T - Understanding Identification Information
- A/T - Gear Whine At Highway Speeds
- A/T - Core Return Product Feedback Form
- A/T - THM Control Valve Assembly Cleaning/Servicing
- A/T - Cycling Between 2-3 When Speed Levels Off
- A/T - Torque Converter Identification
- A/T - Computer Diagnosis
- A/T - Engine Vacuum Testing
- A/T - How To Use A Pressure Gauge
- A/T - Drive Axle and Wheel Lug Nut Torque Specifications
- A/T - Rapid Converter Pump Bushing 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 Shift Problem Diagnosis Electrical/Mechanical
- A/T - No Upshift/Governor Contamination
- 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/Drive Gear Rattle
- M/T - Noise and High Effort During Shifting
- 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
- CS Charging Systems - Quick Check
- Electrical - New Nickel Tape Shields Harnesses
- Fuels - Effect of Volatility on Driveability
- Fuel - How Fuel Economy Is Determined
- Cruise Control - Diagnostic Routine Modified
- Cruise Control - Revised Quick Check Diagnostic Routine
- Tires/Wheels - Wheel Weight Usage Precautions
- Seat - Rear Lap/Shoulder Belt Kits
- Body - Urethane Adhesives for Glass Applications
- Key Code - Information
- Key/Key Number/Security Chip - Replacement
- Paint - Acid Rain Damage to Base Coat/Clear Coat
- Warranty - Chipped Paint Diagnosis & Repair
- Paint - Color Sanding Basecoat/Cleartcoat Finishes
- Paint - High Volume Low Pressure Paint Application
- Paint - Importance of Checking Clear Coat Thickness
- Warranty - Rail Dust Removal & Chemical Spotting Labor
- Electrical Connectors - Service Procedure
- All THM Transmission/Transaxle Assembliescontrol Valve Assembly
- A/T - Evaluating Peened Spacer Plates
- Turn Signal Lever - Rattles
- Drivetrain - Torque Steer Diagnosis
- Drivetrain - New Seal Protector for Drive Axle R&R
- Power Brakes - Tandem Booster Service, Components
- A/C - Use of Alternate Refrigerants In CFC 12
- Contaminated R12 Refrigerant - Testing & Handling
- A/C - Retrofitting R-12 Vehicles to R-134A
- P/S - Reduced Assist When Cold
- Power Steering - Reduced Assist At Low Temperatures
- Daytime Running Lamp - Retrofit Kits
- Brakes, Front - Pulsation Diagnosis, Correction, Repair
- Fuel - Reformulated/Oxygenated Gasolines
- 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
- 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