Repair and Diagnosis: Technical Service Bulletins
- How to Find Technical Service Bulletins by Category/Symptom
- Recalls
- Customer Interest
- 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- Superceded Bulletins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
- Electrical - Wiring Repair Temp Range Precaution
- Campaign - Product Bulletin Numbering System
- Tools - Metri-Pack Series 150 Terminal Removal
- Vehicle - Current Model Line Designators
- Parts - Expediting Procedures
- Glass - Adhesive Caulking Kit Revisions
- Electrical - Detecting Intermittents Procedure
- Warranty - Corporate Parts Return Program
- Aftermarket Accessories - Installation Guidelines
- Electrical - Diodes Replacement Information
- RTV Sealants - Use on Engines With Oxygen Sensors
- I/M 240 Repairs - Obtaining Technical Assistance
- Brake Fluid - Level And Filling Recommendations
- Instrument Cluster - Replacement Information
- Electrical - Instrument Panel And General Wiring Repair
- A/C - Leak Test Diagnosis Tools
- A/C - CFC Reduction and Refrigerant Recovery
- A/C Refrigerant - Contamination
- A/C - Use of Alternate Refrigerants in CFC 12 Units
- 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
- Vehicle - Fluid Leak Detection
- Engines - ACDelco Remanufactured
- Engine - Surface Conditioning Discs Precautions
- Engine - AC Delco Remanufactured Engines
- Cooling System - Leaks
- Steering - System Bleed Procedures
- Fuel - Pump Replacement Caution, Strainer
- Disc Brake/Rotor - Surface Refinish
- Brake Pads - Front Brake Squeal
- Brakes - Premature Brake Wear
- Brakes - Pull/Lead When Braking
- Spark Plug - Usage
- Oil Filter - Changing as a Result of Fouled Plugs
- A/C - Compressor Assembly Availability
- A/C - System Diagnostic Procedure
- A/C - Shaft Nut Removal from the HR6HE Compressor
- A/C Compressor Seal Washer - Reference Chart
- Suspension - Shock Absorber/Strut Replacement Guidlines
- Cooling - Radiator Repair/Replacement Guidelines
- Wheels, Aluminum - Clear Coating
- Aluminum Wheels - Clear Coating Procedure Revised
- Wheels (Aluminum) - Coated Balance Weight Usage
- Wheels - Sealing Leaking Cast Aluminum
- Wheels - Finish Damage During Off Car Balancing
- Warranty - OE Chrome Plated Aluminum Wheel ID
- Tires (Front) - Irregular Wear Information
- Tires - Irregular/Premature Wear
- Wheels (Steel) - Damage Due to Improper Mounting
- Tires - Speed Rated Information
- Frame - Cracking Under Severe Useage
- Door Locks - Binding or Sticking/Key Hard to Insert
- Tailgate/Door Lock Cylinders - Inoperative
- Lock Cylinders - Inoperative/Proper Lubricant Usage
- Tailgate Window - Closes Slowly/Sticking
- Seat (Rear) - Rattle/Chucking Noise
- Seat (Rear) - Squeaks and Rattles
- Doors - Wind Noise/Cold Air Intrusion
- Rear Inner Headliner Roof Molding - Sagging
- Drivetrain - Evaluating Driveline Vibration
- A/T Oil Pan Gasket - Eliminates Fluid Leaks
- Differential Pinion Shaft Lock Screw - Service
- Differential Pinion Shaft Locking Screw - Revised
- Eaton Locking Differential - New Design
- Differential - Governor Removal Tool Revision
- Campaign - Transfer Case Adapter Mis-Machined
- A/T - Updated Filter and Seal
- A/T - New Pump to Case Bolt and O-Ring Improves Sealing
- Oil Pump Body Seal - Fluid Leaks
- A/T - Fluid Out Vent Diagnostic Tips
- A/T - Updated Oil Pump Assemblies
- Pump to Case Bolt and O-Ring Assembly - Revised
- A/T - Fluid Leak Near Front Pump (Bushing Walkout)
- A/T - THM 700-R4 Pump Whine or Moan
- A/T - 700 R4 Pump Whine or Moan
- A/T - Leaks From the Oil Pump Body
- Engine - Stops Running When Shifting to Reverse or Drive
- A/T - 4L60 Slipping or No 3rd/4th Gear
- Transmission - Leak from Speedometer Gear/Adaptor
- A/T - Cooler Replacement/Flushing
- A/T - Binding or Inoperative In Reverse
- Flywheel Bolts - Revised Torque Specification
- Slip Yoke/U-Joint - Replacement and Servicing
- 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 - Installation Procedures/Mem-Cal Concerns
- Oxygen Sensors - Silica Contamination
- Brake Master Cylinder Cover - Leakage
- Brake - Pulsations
- Brakes - Front Calipers
- Brakes - Lubricating Caliper Sliding Surfaces
- Brakes - New Front Brake Calipers Available
- Brakes - Replacement Booster Push Rod Height Gage
- Tools - Revised Brake Booster Push Rod Height Gage
- Parasitic Drain Ammeter - Connection Procedure Revised
- Battery - Diagnosis and Charging
- Battery, Delco Freedom - Diagnosis/Charging Procedure
- Battery - Dead Due to Excessive Current Draw
- Warranty - New Vehicle/Replacement Battery
- Battery - Insulator Replacement & Caution
- CS-121/CS-130 Generators - Replacement
- Engine - Generator Belt Tension
- Backup Lamps/Tailgate Window Release - Inoperative
- Fuel - Feed/Return Pipe Repair
- Fuel Gage - Won't Read Below 1/4 Tank
- Recall - Fuel Tank Shield Installation
- Recall - Insufficient Fuel Tank Shield Spill Proctection
- Recall 87V002000: Fuel Tank Assembly
- Audio - Radio Frequency Interference (RFI) Diagnosis/ID
- Radio - Alternator Noise Whine Left Channel
- Audio - Poor AM or FM Radio Reception
- Seat Belt - Operations/Features and Location
- Lap/Shoulder Belts - Dealer Installed Rear Kits
- IP Dimmer Control - Proper Setting
- Oil Filters - Enhanced Anti-Drainback Valves
- Brakes - Pulsations and Rotor Surface Refinish
- Brakes - Rotor & Hub Flange Cleaning Tool Revision
- Brakes - Pull While Braking
- A/C - Refrigerant Loss Prevention
- Engine - Block Heater Leaks
- Engine - Miss, Hesitation, or Roughness
- Speedometer - Noisy/Inoperative
- Odometer/Speedometer - ACDelco Service Center Locations
- Headlamp Lens - Distortion Caused by Aiming Equipment
- Recall - Push-Pull Headlight Switch Replacement
- Recall - Headlight Switch R&R, Potential Headlight Loss
- Recall 86V056000: Headlight Switch Defect
- Recall 86V131000: Headlight Switch Defect
- Brakes - Light Brake Drag While Driving
- Turn Signals Flashers - Too Quiet
- Anti-Lock Brake - Aftermarket Products Usage Precaution
- Stabilizer Bar (Front) - Noise/Rattle
- Suspension - Vehicle Trim Height Low on One Side
- Body - Sealer Tape For Collision Repairs
- Emissions - Information On State Emissions Testing
- 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
- Electronics - Electrostatic Discharge Damage
- Fuel System - Integrator/Block Learn Operation
- Engine Controls - Correction to Diagnostic Charts
- Electrical - Care of Metri-pack 150 Terminals
- Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
- Electric Door Lock Switch - Separation
- Campaign - Windshield Washer Pump Failure
- Campaign - Windshield Washer Pump Failures
- Steering Column (Tilt) - Noise or Squeaks
- Kick Panel Fresh Air Vent - Water Leak
- Door Handle - Air Leaks
- Door Trim Panel - Warp
- Tailgate Window - Chipping
- Hood - Sheet Metal Movement
- Windshield - Two-Part Urethane Adhesive For Installation
- Wiper Blades - Chattering on Windshield
- Side Door Glass Lower Seal - Wind Whistle
- Wiper Blades - Chattering and Poor Wipeability
- Windshield Washer System - Drips/Dribbles
- Body - Grille Mounting Tabs Crack or Break Off
- Grill Mounting Tabs - Cracking
- Engine Oil - Dye and Discoloration
- Cooling System - Antifreeze Recycling
- Coolant - Recycling Update
- Coolant - Information on Propylene Glycol Usage
- Warranty - Recycled Engine Coolant Policy
- Cooling System - Antifreeze Concentration and Effects
- Coolant - Usage/Specifications
- Engine Coolant - Recycling
- Intake Manifold Gasket - Service Guidelines
- Console - Shake
- A/T - Piston Seals Cut/Leaking
- A/T - Premature Wear of Direct Clutch
- A/T - Slipping/Loss of Drive Range
- Slipping Condition - Loss of Drive Range
- A/T - Elimation of Throttle Valve Sleeve
- A/T - Understanding Identification Information
- A/T - Buzzing Noise at Idle
- M/T - Gear Oil Smell In Vehicles
- A/T - 4L60 New Output Shafts and Shaft Seals
- A/T - New Lube Window and Band Apply/Anchor Brackets
- A/T Fluid Level Indicator - Revised (Sealed)
- A/T - Park/Neutral to Reverse Shift Feel
- A/T - Identification, Including 3-Letter Mode Code
- A/T - Shudder in Reverse
- A/T - New Solenoid Testing Kit
- A/T - Core Return Product Feedback Form
- A/T - Control Valve Without Throttle Valve Sleeve Update
- 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
- M/T - Pops out of 3rd Gear on Accel or Decel
- M/T - 3RD Gear Hop-Out on Acceleration or Deceleration
- M/T - Neutral/Drive Gear Rattle
- M/T - New Leak Resistant Styrene Rubber Coated Gaskets
- Compact Disc Players - CD Changer Loading Procedures
- SIR - Operating Vehicle with Warning Light On
- Power Steering/A.I.R. Pump Belt - Tension Too Tight
- A/T - New ATF Dexron IIe Information
- A/T - DEXRON III Fluid Introduction
- A/T - Intermittent Downshift, Slip or Busy/Cycling TCC
- Recall 88V110000: Control Arm Defect
- Recall 91V217000: Front Control Arm Defect
- Engine Oil Drain Plug Gasket - Revised
- PROM/MEMCAL - Identification Marks
- Instrument Panel - Upper Surface Reflection
- Suspension - Chassis Lubrication Importance
- Engine - Oil Change Requirements For Fuel Fouled Oil
- CS Charging Systems - Quick Check
- Electrical - New Nickel Tape Shields Harnesses
- Fuel - How Fuel Economy Is Determined
- Cruise Control - Diagnostic Routine Modified
- Cruise Control - Revised Quick Check Diagnostic Routine
- Tires/Wheels - Wheel Weight Usage Precautions
- Carpet - Loose on Side Wall Trim Pads
- Body - Urethane Adhesives for Glass Applications
- Key Code - Information
- Key/Key Number/Security Chip - Replacement
- Paint - Checking Clear Coat Thickness
- Paint - Exterior Finish Removal By Layers
- Paint - Chips On Exterior Leading Edges
- Paint - Etching/Staining Prevention
- Paint - HVLP Painting Information
- Warranty - Rail Dust Removal & Chemical Spotting Labor
- Brakes - Rear Brake Sensitivity
- Electrical Connector - Terminal Checking Procedure
- Door Handle (Interior) - Misaligned
- A/T - Rear Bushing On-Vehicle Service Procedure
- A/T Control Valve - Cleaning and Service Procedures
- All THM Transmission/Transaxle Assembliescontrol Valve Assembly
- A/T - New Control Valve Assembly Elimination of TCC Bore
- A/T - Proper Use of Spacer Plate Gaskets In Overhaul Kit
- A/T - Evaluating Peened Spacer Plates
- A/T - Erratic or No Upshift (New Governor Driven Gear)
- A/T - 4L60 Stuck In First Gear
- Drivetrain - Recommended Axle Lubricant
- A/T - New Servo Apply Pin
- A/T - Consistent Shift Points and Smoothness
- A/T - Accumulator Pistons & Seals Enhance Shift Points
- A/T - No Engine Braking In Drive 2 (D2) Selection
- A/T - 1-2 Accumulator Piston/Outer Spring Replacement
- A/T - New Case, 2nd, 3rd, 4th Pressure Taps Removed
- Drive Axle - Premature Wear
- Power Brakes - Tandem Booster Service, Components
- Contaminated R12 Refrigerant - Testing & Handling
- A/C - Retrofitting R-12 Vehicles to R-134A
- M/T - Shift Lever Rattle/Buzz In First or Second Gear
- Electrical - Speed Sensor Buffer Connector Labeled Wrong
- Brakes - Height Sensing Proportioning Valve Adjustment
- Sunshade - Replacement Availability
- P/S - Reduced Assist When Cold
- Non-Factory Hydraulic Parking Brakes
- Fuel - Reformulated/Oxygenated Gasolines
- Fuel - Use of MTBE At 15% or Less In Gasolines
- Alignment - The Importance of Four Wheel Alignment
- Third Seat Back - Sagging
- M/T - Updated Gaskets
- 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
- 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