Repair and Diagnosis: Technical Service Bulletins
- 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 - Odor
- A/C - Odors Emitted at Start Up in Hot Humid Climates
- HVAC Module - Water Leaks
- A/C - Poor Heater Performance
- A/C - Inadequate Heat Condition
- A/C - Poor A/C Cooling At Idle
- Cooling System - Proper Fluid Fill Procedure (Overheat)
- Engine Controls - Poor Idle/Stalls/Code 35
- Fuel System - Pump Noisy
- Fuel System - Pump Noise
- Brakes - Pad Life/Noise/Pedal Effort
- A/C - Slow to Warm Up or Inadequate Heat
- A/C - Odors On Hot/Humid Start Up
- Suspension - Rear Noise
- Suspension (Rear) - Grinding/Scraping/Groaning Noises
- Wheels - Cast Aluminum Wheel Porosity Repairs
- Aluminum Wheels - Cosmetic Damage During Balancing
- Aluminum Wheels - Clear Coat Scuffed and Scratched
- Wheels - Lug Wrench May Strip
- Door Lock Cylinders - Binds, Sticks, Hard to Insert Keys
- Locks - Door Rattle Noise, Revised Anti-Rattle Clips
- Seats - Back Rattle at Lower Pivot Pin
- Doors - Windnoise At Outer Belt Area
- A/T - TCC Engages In 2ND Gear
- A/T - Harsh Engagement
- A/T - Delayed Upshifts When Cold or Hot
- Battery - Adding Heat Shield
- Battery/Charging System - No Start Condition
- Charging System - Insufficient Charging
- Engine - Stall/Cold Hesitation
- Engine Controls - Driveability/Codes 23, 25, 33 or 34
- Fuel System - Line Knock/Rattle
- Interior - Fuel Tank Oil Canning/Popping
- Fuel System - High Gas Pedal Effort/Inop Cruise Control
- Fuel System - High Gas Pedal Effort/Cruise Control Inop
- Radio - Replaceable Mast For Power Antenna
- Windows - New Brush Package For Window Motors
- Cruise Control - Drop Out/Fail to Set or Resume
- Audio - Background Noise on FM Band. RFI Suppressor
- Cellular - Telephone Service Program
- Engine - Miss, Hesitation, or Roughness
- Engine - Miss, Hesitation, or Roughness
- Audio - Ignition Noise In Speakers
- Headlamps - Moisture Found In Housing
- Headlamp Lens - Distortion Caused by Aiming Equipment
- Lighting - Broken Parking Lamp Bulbs
- Brakes - Parking Brake Cable Rubbing Wheel
- Brakes - Information On Powermaster III Brake System
- Front Stabilizer Bar Bushing - Squawk Noise
- Air Bag (SIR) On-Off Switch Kits, New Parts and Service
- Interior - Glove Box Lock Combination
- A/T - Intermittent TCC, MIL ON, and DTC 62/26 Set
- Deck Lid - Cable Malfunction During Opening & Closing
- Washer Fluid - Low Flow
- Interior - Inside Door Handle Scuffing Door Trim Panel
- Doors - Loose Trim on Panel at Belt Retainer
- Door - Broken or High Effort Check Links
- Interior - Squeaks At Upper Door to Roof
- Paint - Rubbing Off Top Inner Door
- Trunk - Water or Dust Leaks In the Trunk Area
- Tail Lamps - Water Inside Housing
- Power Steering System - Shudder
- A/T - No Reverse or Slips In Low/Reverse
- A/T - Slip or Shudder on 1-2 Shift, Slip or No 2nd Gear
- A/T - Intermittent Loss of Drive
- A/T - No 3RD Gear (New Thrust Bearing)
- M/T - Hard or No Shift (Loose Shift Lever Nut)
- M/T - High Clutch & Shift Effort or Gear Clash
- M/T - Neutral/Drive Gear Rattle
- Compact Disc Players - CD Changer Loading Procedures
- SIR - Operating Vehicle with Warning Light On
- Strut, Front - Leak Service Replacement Cartridge
- A/C - Reduced System Cooling Capacity
- Instrument Panel - Upper Surface Reflection
- A/C - Blower Speed Increase Button Sticks
- Vehicle - Effect of Fuel Volatility On Driveability
- Engine - Diagnosing Intermittent Idle Speed Increases
- Cruise Control - Incorrect Resume Operation
- Radio - Power Antenna Will Not Retract
- Carpet - Loose on Side Wall Trim Pads
- Paint Topcoat - Delamination
- Paint - Topcoat Delamination
- Paint - Minor Paint Imperfection
- Parking Lamps (Front) - Breakage
- A/T - 4L60 Binding or Inoperative In Reverse
- A/T - 4T60 Slipping/No Reverse
- Lighting - Underhood Lamp Inoperative/Stays On
- P/S - Reduced Assist When Cold
- P/S - Proper Fluid Usage, Not ATF
- Power Steering - Reduced Assist At Low Temperatures
- Brakes, Front - Pulsation Diagnosis, Correction, Repair
- Engine, A/T - Shift/Driveability Concerns/MIL ON
- Engine - Oil Leaks from Crankshaft Rear Main Seal
- Engine - Oil Leaks From Front Crankshaft Seal
- 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
- Labor/Parts Updates
- Recommended Repairs
- Seals, Gaskets
- Tools, Equipment
- 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
- 90722 - 02/01/90
- 87WA8 - 05/01/87
- Electrical Systems - Isolation Diode Replacement
- 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
- Warranty Inquiry System
- 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 Information Network System - Stage 2
- Vehicle - Use of a Diagnostic Worksheet
- GM Campaign Identification Label
- Vehicle - AC Delco Locator Service, Electronics Exchange
- Warranty - Owner Reimbursements
- Warranty - Owner Reimbursement Processing
- Warranty - Overlap of Predelivery Operation Z7000
- Warranty - Proper Diagnostics and Part Replacement
- Campaign - Product Bulletin Numbering System
- Vehicle - Past Model Warranty Claims Processing
- Warranty - Crediting End of Month Accounting
- Warranty - Claims Processing Tips
- Parts - Expediting Procedures
- Glass - Adhesive Caulking Kit Revisions
- Electrical - Detecting Intermittent Problems
- Warranty - Damage Notations On Carrier Delivery Receipts
- Warranty - Corporate Parts Return Program
- Warranty - Claim Deductible On Special Policies
- Policy - Assembly Plant Information Requests DPTV
- Warranty - 6/60 Powertrain Coverage Transfers
- Warranty (Parts) - Return Program
- I/M 240 Repairs - Obtaining Technical Assistance
- Brake Fluid - Level And Filling Recommendations
- Instrument - Cluster/Controller Exchange/Repair Program
- Instrument - Clusters Exchange Program
- Electrical - Instrument Panel And General Wiring Repair
- A/C - Leak Test
- A/C - Odor
- A/C - Odors Emitted at Start Up in Hot Humid Climates
- A/C - Performance Check
- A/C - CFC Reduction & Refrigerant Recovery/Recycling
- A/C - Charging Capacities Chart
- A/C Refrigerant - Contamination
- A/C - Delayed Cooling After Engine Start Up
- HVAC Module - Water Leaks
- A/C - Poor Heater Performance
- A/C - Inadequate Heat Condition
- A/C - O-Ring Identification Chart
- A/C - Use of Alternate Refrigerants to R-12
- Tools - A/C Leak Detector Maintenance Kit Availability
- A/C - Systems With R12 Or R134a Service Issue
- A/C - Retrofitting R-12 to R-134a
- A/C - Tool And Equipment Maintenance
- A/C - PureGuard 2 Operating Alert
- A/C - R-134A Refrigerant Information
- A/C - Poor A/C Cooling At Idle
- Steering - Procedure Identifying Torque Steer
- P/S - Revised Pressure Test
- A/T & M/T - AC Delco Remanufactured Transmissions
- ACDelco(R) Remanufactured Transmissions - Program Update
- Engine - Oil Economy Information
- Engine - Update, Removing Hood for Clearance
- Engines - ACDelco Remanufactured
- Engine - Surface Conditioning Discs Precautions
- Engine - AC Delco Remanufactured Engines
- Pocket Guide - Technicians Driveability Diagnostics
- Cooling System - Leak Diagnostic Procedure
- Cooling System - Proper Fluid Fill Procedure (Overheat)
- Engine Controls - Poor Idle/Stalls/Code 35
- Engine Controls - TPS Closed Throttle Specifications
- Steering - System Bleed Procedures
- Fuel System - Pump Noisy
- Fuel System - Pump Noise
- Fuel - Normal Pump Run-On
- Fuel - Pump Replacement Caution, Strainer
- Brakes - Pad Life/Noise/Pedal Effort
- Brakes - Guidelines Concerning Noise
- A/C Compressor Oval O-Ring - Seal
- A/C - System Description & Diagnostic Procedure
- A/C - Missing Block Fitting Sealing Washers From Kits
- A/C - Compressor, New Sealing Washers
- A/C Compressor Seal Washer - Reference Chart
- A/C - Slow to Warm Up or Inadequate Heat
- HVAC Blower Motor - Revised Replacement Parts
- A/C - Updated Blower Motor and Fan Procedure
- A/C - Odors On Hot/Humid Start Up
- Suspension - Rear Noise
- Suspension - Shock Absorber/Strut Replacement Guidlines
- Wheel - Hub/Bearing Mounting Bolt Torque Spec
- Tie Rod, Outer - Recommended Inspection Procedure
- Steering - Power Rack & Pinion Gear Service Information
- P/S - Reduction of Assist, Seal Kit Repair
- Recall 00V189000: Steering Shaft Separation
- Engine - Intake and Exhaust Pushrod Identification
- Engine - Head Bolt Torque Clarified/Updated
- Cooling - Radiator Repair/Replacement Guidelines
- Suspension, Rear - Updated Auxiliary Spring & Tool
- Suspension - New Warning Auxiliary Spring Service
- Suspension (Rear) - Grinding/Scraping/Groaning Noises
- Aluminum Wheel - Coated Wheel Weights
- Wheels (Steel) - Proper Changing Procedure
- Wheels - Cast Aluminum Wheel Porosity Repairs
- Aluminum Wheels - Cosmetic Damage During Balancing
- Wheels (Aluminum) - Coated Balance Weight Usage
- Wheels - Installation of Aftermarket Styled Wheels
- Wheels - Sealing Leaking Cast Aluminum
- Tire/Wheel - No Need to Match Mount
- Aluminum Wheels - Clear Coat Scuffed and Scratched
- Wheels - Updated Maximum Lateral Runout Specification
- Recall - Steel Wheels (Revised Labor Codes)
- Recall 94V041000: Wheel Defect
- Recall 94V041001: Wheel Defect
- Recall 94V041002: Wheel Defect
- Recall 95V115000: Wheel Defect
- Warranty - OE Chrome Plated Aluminum Wheel ID
- Tools - Lug Wrench Socket and Ratchet Handle Revised
- Tires - Dealer Responsibilities
- Warranty - Tire Company Warranty Assistance Programs
- Tires - Effects of Pressure
- Tires - Proper Mounting Procedures
- Tires - Speed Rated Information
- Recall - Wheel Lug Nut Torque
- Recall 88V035000: Wheel Lug Nut Defect
- Wheels - Lug Wrench May Strip
- Door Lock Cylinders - Binds, Sticks, Hard to Insert Keys
- Locks - Door Rattle Noise, Revised Anti-Rattle Clips
- Window Regulator Motor - Manual Update
- Seats - Back Rattle at Lower Pivot Pin
- Leather Seat Covers - Cleaning Procedure
- Door/Glass - Wind Noise
- Doors - Windnoise At Outer Belt Area
- Webasto Sunroof System - Information Hotline
- Steering - Column Unit Repair
- A/T - Updated Pan and Gasket
- A/T - Repair Guidelines
- A/T - New Final Drive/Output Shaft/Sun Gear Shaft
- A/T - Updated Filter and Seal
- A/T - Return to Previous Filter Design
- A/T - TCC Engages In 2ND Gear
- A/T - THM 440 On-Vehicle Service Procedures
- A/T - Harsh Engagement
- A/T - 3T40 Center Gearbox Distress, Diagnosis Tips
- Engine Control - Updated MAP Code 63 and 64 Diagnosis
- Recall - A/T Shift Cable Attachment
- A/T - Delayed Upshifts When Cold or Hot
- Clutch (Hydraulic) - Updated Repair Procedure
- Tools - Revised Injector Tester
- Multec Fuel Injectors - Cleaning Information
- Tools - Introduction Of The Fuel Injector Tester
- Engine Controls - Intermittent Connection to the ECM
- Engine Controls - ECM May Contain Wrong PROM
- ECM - Packard 32 Way Connector Identification
- ECM - Packard 32-Way Connector Identification
- ECM/PCM - Damaged and/or Mis-Diagnosed
- Oxygen Sensors - Silica Contamination
- Vehicle Speed Sensor - Revised Diagnostic Information
- Engine Controls - Updated Vehicle Speed Sensor Test
- Brakes - Pulsation & On Car Rotor Turning
- Brakes - Rear Caliper Mounting Bolt Torque Specification
- Brakes - Rear Caliper Service Procedure (Revised)
- Brakes - Restricted Brake Fluid Passage Diagnosis
- Interior - Rattle/Buzz From I/P During Brake Apply
- Battery - Revised Parasitic Drain Ampmeter Connection
- Battery - Adding Heat Shield
- Battery - Diagnosis and Charging
- Battery - Storage/Testing/Diagnostics/Charging
- Battery - High Charger Setting to Recharge
- Battery - Incorrect Service Replacement
- Battery/Charging System - No Start Condition
- Updated Battery Replacement Catalog Numbers
- Warranty - New Vehicle/Replacement Battery
- Battery - Insulator Replacement & Caution
- Tools - Released for CS Generator Diagnosis
- Charging System - Insufficient Charging
- Starting - Neutral Start Switch Replacement
- Engine Controls - Crankshaft Sensor R&R Precautions
- Engine - Stall/Cold Hesitation
- ECM/PCM - Circuit Board Damage Prevention
- Engine Controls - Driveability/Codes 23, 25, 33 or 34
- Fuel - Revised Throttle Body/Fuel Rail Torque
- Fuel - Feed/Return Pipe Repair Precautions
- Fuel System - Line Knock/Rattle
- Interior - Fuel Tank Oil Canning/Popping
- Fuel System - Tank Draining Procedure Update
- Fuel - Corrected Tank Replacement
- Fuel System - High Gas Pedal Effort/Inop Cruise Control
- Fuel System - High Gas Pedal Effort/Cruise Control Inop
- Tools - IAC Driver Use Instructions
- Exhaust - Catalytic Converter With Shield Attachment
- No MIL Diagnostic Chart A-1 Revision
- Radio - Replaceable Mast For Power Antenna
- Windows - New Brush Package For Window Motors
- Windows - Power Window Switch Replacement
- Cruise Control - Drop Out/Fail to Set or Resume
- Audio - Background Noise on FM Band. RFI Suppressor
- Audio - Radio Frequency Interference (RFI) Diagnosis/ID
- Cellular - Telephone Service Program
- Seat Belt - New Part Numbers For Attachments
- Automatic Safety Belts - Manual Update
- Recall - Shoulder Belt May Not Restrain Occupant
- Recall 88V049000: Seat Belt Defect
- Recall 90V054000: Seat Belt Defect
- Lap/Shoulder Belts - Dealer Installed Rear Kits
- SIR Sensor - Revised Replacement Information
- IP Dimmer Control - Proper Setting
- Engine - Installation of 75 mm Oil Filter
- Brakes - Pulsations and Rotor Surface Refinish
- Brakes - Rotor Service Procedure (Required Tool)
- Tools - Use of Non OE Brake Lathe Cutting Tips
- Brakes - On-Car Rotor Turning Tool
- Brakes - Updated Rear Rotor Refinish Specification
- Brakes - Recommended Service Procedures
- Brakes - Rotor & Hub Flange Cleaning Tool Revision
- A/C - Refrigerant Loss Prevention
- Engine - Miss, Hesitation, or Roughness
- Engine - Miss, Hesitation, or Roughness
- Ignition System - Misdiagnosis of the DIS System
- Ignition - Precautions On Use of Spark Tester
- Engine - Roughness (Pierced Secondary Ignition)
- Audio - Ignition Noise In Speakers
- Fuel Sender Whistling Noise
- Odometer/Speedometer - ACDelco Service Center Locations
- Headlamps - Moisture Found In Housing
- Headlamp Lens - Distortion Caused by Aiming Equipment
- Lighting - Broken Parking Lamp Bulbs
- Stoplamp Switch - Revised Component and R&R Update
- Recall - Faulty Brake Stoplamp Switch
- Recall 92V086000: Brake Light Switch Defect
- Brakes - Parking Brake Cable Rubbing Wheel
- Recall 88V175000: Parking Brake Cable Defect
- Brakes - Manual Updates, ABS Service Procedures
- Anti-Lock Brake - Aftermarket Products Usage Precaution
- Brakes - Information On Powermaster III Brake System
- Brakes - Updated Tech 1 ABS Cartridge Exchange Program
- Front Stabilizer Bar Bushing - Squawk Noise
- Steering - Column Lock Mechanism
- Steering Wheel - Removal With SIR or Redundant
- Rear Underbody - Noise Summary
- Suspension - Chassis Related Underbody Noise Diagnosis
- Body - Diagnosis and Correction for Wind Noise
- Frame - Updated Bolt Torque Spec
- Paint - Repair of Delamination from ELPO Primer
- Body - Sealer Tape For Collision Repairs
- Accessories (Aftermarket) - Installation Guidelines
- Air Bag (SIR) On-Off Switch Kits, New Parts and Service
- Airbags - Frontal (SIR) ON-Off Switch Kits, Parts/Procs
- Interior - Glove Box Lock Combination
- Glove Box Lock Assembly - Decrease Glove Box Lock Efforts
- Emission Systems - State 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 - Updated Rough/Unstable Idle Chart
- Crank Sensor - Revised Voltage Output Specifications
- Engine Controls - Static Electrical Damage Precaution
- Tech 1 ECM Cartridge - Usage
- Engine Controls - MAP Chart, DTC's 33, 34 ,63 ,64
- Code 43 - Driveability and Emissions Manual Update
- Engine Controls - Damage to Electrical Terminals
- Oxygen Sensor Test - Revised Tech 1 Mass Storage CD
- Engine Controls - Revised Charts C-8A and C-8C (TCC)
- A/T - Intermittent TCC, MIL ON, and DTC 62/26 Set
- Recall - Secondary Hood Latch
- Deck Lid - Cable Malfunction During Opening & Closing
- Washer Fluid - Low Flow
- Campaign - Door Hinge Breaks
- Interior - Inside Door Handle Scuffing Door Trim Panel
- Doors - Loose Trim on Panel at Belt Retainer
- Door - Broken or High Effort Check Links
- Interior - Squeaks At Upper Door to Roof
- Paint - Rubbing Off Top Inner Door
- Deck Lid - Does Not Stay In Half Open Position
- Trunk - Water or Dust Leaks In the Trunk Area
- Seat Belts - New Restraint System Service Information
- Child Seat - Installation With Automatic Safety Belts
- Child Restraint - Auxiliary Seat Belt
- Windshield - Updated R & R Reveal Mouldings
- Windshield - Two-Part Urethane Adhesive For Installation
- Wiper Blades - Chatter on Windshield
- Outside Rear View Mirror - Revised Motor Replacement
- Tail Lamps - Water Inside Housing
- Coolant - Information on Propylene Glycol Usage
- Warranty - Recycled Engine Coolant Policy
- Cooling System - Reconstituted Anti-Freeze
- Warranty - Engine Coolant Substitute Caution
- Power Steering System - Shudder
- A/T - New 2nd Gear Clutch Piston Seal
- A/T - New Input Clutch & 3rd Gear Clutch Seal Installer
- A/T - 4T60 New Input and 3rd Clutch Seals
- A/T - 3T40/125C New Roller Clutch
- A/T - No Reverse or Slips In Low/Reverse
- A/T - 4T60E 3RD Clutch Plate Identifiers
- A/T - Slip or Shudder on 1-2 Shift, Slip or No 2nd Gear
- A/T - 440T4 Improved Second Clutch Inner Lip Seal
- A/T - 440T4 3rd Clutch Plate Change
- A/T - Final Drive Ratio
- A/T - New Product Information
- A/T - Intermittent Loss of Drive
- A/T - No 3RD Gear (New Thrust Bearing)
- A/T - On Car Service Info For Harsh 3-2 Downshifts
- A/T - SRTA Model Update
- A/T - Service Replacement Transaxle Update
- A/T - Unit Exchange Program
- A/T - Core Return Product Feedback Form
- A/T - 440T4 Buzzing Noise
- A/T - 440T4 Improved Shift Feel/2nd Clutch
- A/T - 4T60/440T4 Changes For 1988
- A/T - Late 1988 GM 4T60/440T4 Changes
- A/T - 440T4 Input Sprag Replacement
- A/T - 440T4 2-3 Bind-Up/Slips
- A/T - 440T4 Wiring Schematics
- A/T - Engine Vacuum Testing
- A/T - Diagnosing Converter Lock-Up Problems
- A/T - 440T4 No Line Pressure Rise
- A/T - Early Upshift/No Kickdown
- A/T - 440T4/4T60 Spacer Plate Matching
- A/T - How To Use A Pressure Gauge
- A/T - 440T4 Harsh 3-2 Detent Downshift
- A/T - AXOD/E 44T4's and 125's Chain Stretch
- A/T - 440T4 No Second Clutch Switch
- A/T - 440T4 Channel Plate Gasket Blow-Out
- A/T - 440T4 No Upshift/Wrong Gear
- A/T - THM Late or No Upshifts
- A/T - 440T4 Coast-Down Clunk
- A/T - Drive Axle and Wheel Lug Nut Torque Specifications
- A/T - 440T4/4T60 Late or No Upshift
- A/T - No Converter Clutch Apply When Unit Is Hot
- A/T - Converter Clutch Shudder
- A/T - 125C, 440T4 No Upshift
- A/T - Slipping or No-Shift/Metal Sealing Rings
- A/T - Front Bushing Wear
- A/T - 440T4 Slips Or No Movement Forward
- A/T - 440T4 Converter Regulator Valve
- A/T - 440T4 Blowing Fuses
- A/T - 440T4 Plastic Oil Lube Dam
- A/T - 440T4 Bind-Up In All Gears
- A/T - Sprag Rotation
- A/T - 440T4 TCC Applies With 1-2 Upshift
- A/T - 440T4 Converter Regulator Spring Update
- A/T - 440T4 Lock Up And Cruise Control Problems
- A/T - Math Formulas Part I
- A/T - Twenty Steps To Successful Repairs
- A/T - Math Part II
- A/T - 440T4 Soft/Slipping 1-2 Upshift Flare
- A/T - 440T4 Reverse Reaction Plate/Valve Body Strap
- A/T - 440T4 Converter Clutch Shudder
- A/T - Choosing the Right ATF
- A/T - 440T4/4T60 Model Code Information
- M/T - Hard or No Shift (Loose Shift Lever Nut)
- M/T - High Clutch & Shift Effort or Gear Clash
- M/T - Neutral/Drive Gear Rattle
- M/T - Diagnostic Information From Exchange Program
- M/T - Completion of Exchange Program
- Compact Disc Players - CD Changer Loading Procedures
- SIR - Operating Vehicle with Warning Light On
- Recall 97V058000: Rear Cradle Retainer Replacement
- A/T - New Transaxle Fluid
- A/T - Proper Fluid Level Checking Procedure
- M/T - Proper Service Fluid
- A/T - Manual Update, Checking ATF Color, Odor & Level
- A/T - Procedure If ATF is Antifreeze Contaminated
- A/T - DEXRON III Fluid Introduction
- Suspension,Rear - New Front & Rear Rod To Knuckle Torque
- Strut Cartridge - Revised Service Procedure
- Strut, Front - Leak Service Replacement Cartridge
- Recall 88V045000: Transmission Shift Cable Defect
- A/C - Reduced System Cooling Capacity
- PROM/MEMCAL - Identification Marks
- A/T - 4T60/4T60E Drive Link Noise
- Instrument Panel - Upper Surface Reflection
- A/C - Blower Speed Increase Button Sticks
- Suspension - Chassis Lubrication Importance
- Electrical - New Nickel Tape Shields Harnesses
- Cruise Control - (W/Electro Stepper Mtr.) Diagnostics
- Vehicle - Effect of Fuel Volatility On Driveability
- Fuel - How Fuel Economy Is Determined
- Engine - Diagnosing Intermittent Idle Speed Increases
- Engine - Revised Base Idle RPM Adjustment
- Cruise Control - Incorrect Resume Operation
- Tires/Wheels - Wheel Weight Usage Precautions
- Radio - Power Antenna Will Not Retract
- Recall - Front Shoulder Belt Guide
- Seat Belts - Updated Warning System Descript & Diagnosis
- Carpet - Loose on Side Wall Trim Pads
- Interior - Side Roof Rail Handle
- Body - Urethane Adhesives for Glass Applications
- Key Code - Information
- Key/Key Number/Security Chip - Replacement
- Body - Paint Code Information
- Paint - Diagnosis & Repair For Chipping
- Paint - HVLP Application Information
- Paint - Assembly Plant Identification
- Paint Topcoat - Delamination
- Paint - Topcoat Delamination
- Paint - Polishing Basecoat Clearcoat Exterior Finishes
- Paint - Alternative Stripping Procedures
- Paint - Protective Exterior Barrier Coating
- Paint - Minor Paint Imperfection
- Warranty - Rail Dust Removal & Chemical Spotting Labor
- Recall - Rear Cradle Bolt Retainer Corrosion
- Parking Lamps (Front) - Breakage
- A/T - 4L60 Binding or Inoperative In Reverse
- A/T - Evaluating Peened Spacer Plates
- Exhaust - Importance of Heat Shields
- Drivetrain - Recommended Axle Lubricant
- Instrument Panel - Surface Cleaning
- A/T - 4T60 New Design Bands
- A/T - 4T60 Slipping/No Reverse
- A/T - 4T60/3T40 Grinding/Growling On Incline
- Lighting - Underhood Lamp Inoperative/Stays On
- A/T - Two Stackups for 3-4 Accumulator Piston & Spring
- Drivetrain - New Seal Protector for Drive Axle R&R
- Campaign - Incorrect Air Conditioning Refrigerant
- Contaminated R12 Refrigerant - Testing & Handling
- A/C - R12 or R134a Service Recommendations
- A/C - Retrofitting R-12 Vehicles to R-134A
- A/T - Revised End Play Specifications
- Wipers - Revised Cleaning Of Wiper Drive Shaft Knurls
- A/T - 4T60 New Thermo Element/Setting Procedure
- P/S - Reduced Assist When Cold
- P/S - Proper Fluid Usage, Not ATF
- Power Steering - Reduced Assist At Low Temperatures
- Daytime Running Lamp - Retrofit Kits
- Brakes, Front - Pulsation Diagnosis, Correction, Repair
- Recall - Parking Brake Assembly
- Fuel - Reformulated/Oxygenated Gasolines
- Fuel - Use of MTBE At 15% or Less In Gasolines
- Alignment - The Importance of Four Wheel Alignment
- Alignment - Rear Camber Adjustment Manual Update
- Alignment - Front and Rear Specifications
- Towing - Manual Change
- A/T - New Bottom Pan & Controlled Compression Gasket
- 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
- Engine - Oil Leaks from Crankshaft Rear Main Seal
- Electrical - Aftermarket Fuse Warning
- Engine - Oil Leaks From Front Crankshaft Seal
- Wheels - Chrome Wheel Brake Dust Accumulation/Pitting
- Brakes - Rotor Lateral Runout Correction Information
- Restraints - Usage of Used/Salvaged/Imitation Components
- 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