Repair and Diagnosis: Technical Service Bulletins
- How to Find Technical Service Bulletins by Category/Symptom
- Recalls
- Emissions
- Generals
- Safety
- Recall - Fuel Filter and Nylon Fuel Line Replacement
- Customer Interest
- A/C - Warm Air Blowing Out of Registers
- A/C - Musty Odor Coming From Vents
- Engine - Rough Idling Condition
- Brakes - Roughness During Application
- Heater Blower Motor - Resistors Fail
- Heater - Insufficient Heat
- Brakes - Shudder On Light Application
- Timing Belt - Warbling Noise
- Idle/Deceleration/Acceleration Driveability Concerns
- Engine - Stall On Deceleration Or At Idle
- Engine - Blue Smoke During Start-Up
- Engine Cooling Fan - Runs With Ignition OFF
- Aluminum Wheel - Air Leaks
- Alloy Road Wheels - Are Hard to Remove
- Steering Wheel - Nibble/Shimmy/Vibration
- Steering/Suspension - Nibble/Vibration
- Driveline - Moderate To Severe Vibration
- A/T - Fluid Leak At the Cooler Line Connections
- M/T - Clutch Noise/Difficult to Shift
- Steering Wheel - Snatches/Jerks On Braking
- Battery - No Engine Crank/Low Battery Charge
- Alternator Fan Shield - Cracks At Attachment Bolts
- Alternator - No or Low Output
- Alternator Warning Light - Stays On After Cold Start
- Engine - Cranks/No Start/Stalls At Idle
- Engine - Stalling and/or A No Start Condition
- Ignition Coil - Stumbles/Stalls/Noise In Radio
- Engine - Lack of Power/Low Turbo Boost
- Heated Backlite - Inoperative
- Electric Rear Window Defroster - Inoperative
- Engine - Excessive Oil Consumption
- M/T - Difficult Shifting Into 1st/Reverse Gear
- Headlamp - Lens Moisture Diagnosis/Tips
- Rear Wiper - Cycles With Switch Off
- Engine Cooling Fan - Discharges Battery
- Drive Belt - Squeal With A/C ON
- Power Door Locks - Are Inoperative
- Manual Vent Windows - Hard to Open
- Vent Windows - May Stick to Weatherstrip
- Front/Rear Wipers - Inoperative
- Coolant Reservoir - Coolant Leak At Filler Neck
- Engine - Hesitation or Stall At Idle
- A/T Shift Lever - Movement Under Hard Braking
- Cigar Lighter Base Socket - Shorted to Ground
- Low Coolant Indicator Light - Comes ON
- Speed Control - Abnormal Operation When Hot
- Instrumental Panel Dash Pad - Cracks
- Sun Visor - Comes Loose
- M/T - Buzzing Noise On Deceleration
- Water Leak - A/C Evaporator/Heater Area
- M/T Shift Lever - Vibrates/Rattles or Buzzes
- A/C - Condensate Leaks Into Passenger Compartment
- Engine - Rough Idle/Hesitation/Backfire/Stalling
- Engine - Rough Idle and Idle Stalls
- M/T - Fluid Leak From Countershaft
- Seals, Gaskets
- Superceded Bulletins
- 90128 - 06/07/90
- 89311 - 02/08/89
- 8931 - 02/08/89
- 89252 - 12/13/89
- 89185 - 09/07/89
- 891012 - 05/17/89
- 881710 - 08/17/88
- 87518 - 03/11/87
- 872015 - 10/07/87
- 8716 - 01/12/87
- 861116 - 06/05/86
- 85132 - 07/01/85
- 84231 - 11/06/84
- Windshield and Interior Glass - Fog/Film
- A/C - Identification Of Non Approved Refrigerants
- A/C - R134A Retrofit Kit Availability
- A/C - R12 to R134a Retrofit Kit Availability
- A/C - Approved Flushing Procedures
- Air Conditioning - Musty or Mildew Type Odors
- Wire Harness - Terminal Repair Kit/Splice Procedure
- Electrical Diode - Identification/Service Replacements
- Brake Rotor - Machining With On-Vehicle Equipment
- Brakes - Occasional or Intermittent Squeal
- A/T - New Transmission Cooler Flusher/Service Tip
- Exhaust Gas Oxygen Sensors - Silicone Contamination
- Exhaust System - Buzzing/Rattling Noises
- Exhaust System - Rattling/Buzzing Noise
- Cooling System - Diagnosis Procedure
- A/C System - Refrigerant Filtering Service Tips
- Wheels - Proper Lug Torque Procedures
- Recycled Engine Coolant - Service Tip
- A/T - Transmission Fluid Usage Charts
- A/C Compressor Replacement - Refrigerant Filtering
- A/C System - Use of R12 Refrigerant Substitutes
- A/C - Non Approved Refrigerants
- A/C - Approved/Alternate Refrigerants
- A/C - Identification of Non-Approved Refrigerants
- A/C - Identifying Non-Approved Refrigerants
- All Technical Service Bulletins
- Brakes - Noise Diagosis/Repair TSB Sumary
- Overview
- Brake Noise Description and Application Chart
- Article No. 85-4-31
- Article No. 86-12-5
- Article No. 86-19-5
- Article No. 87-8-14
- Article No. 87-13-20
- Article No. 87-16-7
- Article No. 87-20-14
- Article No. 87-20-15
- Article No. 87-23-11
- Article No. 88-13-7
- Article No. 88-14-6
- Article No. 88-20-6
- Article No. 88-21-2
- Article No. 88-25-9
- Article No. 89-1-13
- A/C - Warm Air Blowing Out of Registers
- A/C - Musty Odor Coming From Vents
- Air Conditioning - Odor Service Procedure
- A/C System - Service TSB List
- Cooling Fan Fuse Number 5 - Manual Revision
- Adhesives and Sealants - Availability and Usage
- Electrical - New Terminal Grease Released For Service
- TPS Mounting Screws - Hard to Remove
- Throttle Position Sensor - Request For Return
- Engine - Rough Idling Condition
- Recall - Fuel Filter and Nylon Fuel Line Replacement
- Brakes - Roughness During Application
- Brakes - Intermittent Brake Squeal
- Heater Blower Motor - Resistors Fail
- Air Conditioning - Approved Flushing Procedures
- Heater - Insufficient Heat
- Brakes - Shudder On Light Application
- Timing Belt - Warbling Noise
- Idle/Deceleration/Acceleration Driveability Concerns
- Engine - Stall On Deceleration Or At Idle
- Engine - Blue Smoke During Start-Up
- Cooling System - New System Diagnostics
- Engine Cooling Fan - Runs With Ignition OFF
- Crankshaft Seal - Leaks, Air Pressure Test
- Aluminum Wheels - Wear/Corrosion Damage
- Aluminum Wheel - Air Leaks
- Alloy Road Wheels - Are Hard to Remove
- Steering Wheel - Nibble/Shimmy/Vibration
- Lug Nuts - Proper Torqueing Procedure
- Tires - Field Service Locations/Representatives
- Steering/Suspension - Nibble/Vibration
- Aluminum Wheel - New Improved Wrench Adapter
- Driveline - Moderate To Severe Vibration
- Speedometer Gear - Application Charts
- Torque Converter - Cleaning and Replacement Guidelines
- A/T - Fluid Leak At the Cooler Line Connections
- MAP and BAP Sensor - Application Chart
- A/T Torque Converter - Leak Test Procedure
- M/T - Clutch Noise/Difficult to Shift
- Engine - Hesitation/Hard Starting
- Fuel System - Injector Tester/Cleaner Service Tips
- Body/Frame - Arc Welding Precautions
- EGO Sensors - Silicone Contamination
- EVP Sensor - Manual Revision
- Overview
- 1985 Pinpoint Tests - DM - EGR, EVP and EVR
- 1985 Pinpoint Tests - Fa - Neutral Drive Switch -A/C Input
- 1986 (EGR) Systems Functional Diagnosis
- 1986 Quick Test: Continuous Self-Test 6.0
- Pinpoint Test - DN - EGR - EVP & EVR
- Steering Wheel - Snatches/Jerks On Braking
- Battery - Test Procedure
- Battery - No Engine Crank/Low Battery Charge
- Alternator Fan Shield - Cracks At Attachment Bolts
- Alternator - No or Low Output
- Alternator/Regulator - Integral Design Service Procedure
- Alternator Warning Light - Stays On After Cold Start
- Engine - Cranks/No Start/Stalls At Idle
- TFI Module/PIP Sensor - New Diagnostic Procedure
- Engine - Stalling and/or A No Start Condition
- EEC Universal Distributor - Drive Gear Removal Tool
- Ignition System - Diagnostics Manual Correction
- Ignition Coil - Stumbles/Stalls/Noise In Radio
- Fuel Spring Lock Coupling - Shop Manual Correction
- Engine - Lack of Power/Low Turbo Boost
- Turbocharger - Boost Pressure Specifications
- Turbocharger Boost Pressure - Manual Revision
- Turbocharger - Failure or Seizure
- Recall - Catalyst Replacement
- AM/FM Cassette Radio - Dial Lighting Dim
- Heated Backlite - Inoperative
- Electric Rear Window Defroster - Inoperative
- Front Brake Shudder - Revised Manual Procedure
- Brake Rotor - Machining Equipment/Warranty Information
- Engine - Excessive Oil Consumption
- Engine - Oil Dipstick May Not Be Read Correctly
- M/T - Difficult Shifting Into 1st/Reverse Gear
- Temperature Gauge - Slow Response At Warm-Up
- Speedometer/Odometer - Inaccurate Readings
- Headlamp - Lens Moisture Diagnosis/Tips
- Instrument Printed Circuit - Service Tips
- Rear Wiper - Cycles With Switch Off
- Engine Cooling Fan - Discharges Battery
- Cylinder Head Gasket and Bolts - Revised
- Drive Belt - Squeal With A/C ON
- Sheet Metal - Corrosion From Dealer Name Plate
- Exterior Moldings - Request For Return
- Antitheft Devices - Installation Precautions
- EEC IV Emissions Diagnosis - Supplemental Information
- Overview
- EEC IV - Pinpoint Tests - All Vehicles 1986 19-253A
- EEC-IV Quick Test-All Engines 1987 16-15
- EEC IV - Pinpoint Tests - All Vehicles 1987 19-3
- Carburetors, Fuel Charging Assemblies, Throttle Bodies and Injectors 1988
- EEC-IV -Quick Test -All Engines 1988 16-11
- Quick Test:Engine Running Self-Test
- Appendix:Self-Test With "Check Engine" Light (MIL)
- Reference Voltage
- EGR Valve Position Sensor (EVP) Control/Vent (EGRC/EGRV)
- Vane Airflow Sensor (VAF)
- Pressure Feedback EGR (PFE) EGR Valve Regulator (EVR)
- EGR Valve Position Sensor (EVP) EGR Valve Regulator (EVR)
- Fuel Control
- Fuel Pump Circuit
- Idle Speed Control (Bypass Air)
- WOT A/C Cutoff (WAC) A/C Demand
- RE-Initialization Check
- System Check
- Transmission - AXOD
- Integrated Controller
- Emission Control System - Technician's Glossary
- EEC IV - Quick Test Codes
- Processor - Request For Return of Assembly
- Electronic Modules - Protection From Static Electricity
- Vehicle - Welding Precautions
- Electrical/Electronic/Fuel Induction - Glossary
- Power Door Locks - Are Inoperative
- Door Lock Relay Assembly - Service Part Numbers
- Electronic Clock - Revised Diagnostic Procedure
- Door Latches - Adjustment/Modification Prohibition
- Safety Belt - Tongue Cover Now Available
- Windshield/Interior Glass - Fog/Film
- Manual Vent Windows - Hard to Open
- Vent Windows - May Stick to Weatherstrip
- Front/Rear Wipers - Inoperative
- Bumpers/Mouldings - Refinishing Procedure
- Engine Coolant - Recycled Coolant Not Authorized
- Recycled Engine Coolant - Service Tips
- Coolant Reservoir - Coolant Leak At Filler Neck
- Engine - Hesitation or Stall At Idle
- A/T - New Rotunda Fluid Changer Service Tip
- A/T - Modulator Chart
- A/T - Engine Vacuum Testing
- A/T - How To Use A Pressure Gauge
- A/T - EEC Trouble Codes
- A/T - Diagnostic Trouble Codes for 1983-1992
- A/T - C3 Front Seal Update
- A/T - Drive Axle and Wheel Lug Nut Torque Specifications
- A/T - C3 Slipping or No Drive Condition
- A/T - A4LD/C3 Front Pump Support Inspection
- A/T - Slipping or No-Shift/Metal Sealing Rings
- A/T - Front Bushing Wear
- A/T - C3 No Reverse After Rebuild
- A/T - Sprag Rotation
- 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 - 5 Spd Special Transmission Fluid
- A/T Shift Lever - Movement Under Hard Braking
- Accessory Drive Belt - `V' Ribbed Belt Cracking
- Accessory Drive Belts - Service Application
- A/T - Mercon V ATF Usage
- Cigar Lighter Base Socket - Shorted to Ground
- Low Coolant Indicator Light - Comes ON
- Speed Control - Abnormal Operation When Hot
- Driveability TSB's - Summary
- Engine - Normal Oil Consumption
- Engine Compartment Wiring - New Connectors
- Wiring - Circuit Number/Color Code Charts
- Wiring - Electrical System Troubleshooting Tips
- Wiring - Positive Locking Micro-Pin Terminals
- Wire Harness Terminal and Connector - Service Kit
- Specifications Issue Technical Service Bulletin
- Safety Belts - Service Procedure, Manual Revision
- Campaign - Leather Trim Replacement
- Campaign - M66 Supplement
- Paint - Cosmetic Damage From Airborn Materials
- Paint - Aftermarket Supplier Cross Reference List
- Paint - Difficulty Matching Production Colors
- Paint - Preparation Procedure And MSDS Information
- Exterior Paint - Comprehensive Repair Procedures
- Overview
- Section A Has Been Superseded By TSB # 9264, Dated 3/92.
- (B) Paint Exterior Color Peeling From Ultra Violet Light
- (C) Lower Body Stone Protection Repair Tips
- (D) Procedure For PVC Body Side Moldings
- (E) Lower Body-Side Stone Chip Protection Program
- (F) Surface Defect Removal Without Repainting
- (G) Color Compatible Spray Primer Chart
- (H) Paint Repair For Tinted Clear Coat
- (I) Paintable Plastics
- (J) 1992 Paint Color Codes
- Paint - Iron Particle Removal
- Electrical Diode - Identification and Replacement
- Instrumental Panel Dash Pad - Cracks
- Dash Pad - Replacement Procedure
- Sun Visor - Comes Loose
- Brake Booster - Request For Return of Assembly
- A/C - R12 Refrigerant Service Tips
- A/C - R12 Refrigerant Substitutes Service Tip
- R-12 Refrigerant - Substitutes
- Air Conditioning - Use of Correct Fluorescent Tracer Dye
- A/C - Identification of Non Approved Refrigerants
- M/T - Hummer 5 Speed Mainshaft Revision
- M/T - Buzzing Noise On Deceleration
- Alternator Bracket - Parts Return
- Water Leak - A/C Evaporator/Heater Area
- M/T Shift Lever - Vibrates/Rattles or Buzzes
- M/T - Shift Lever Return Request
- A/T Vacuum Diaphragm - Return
- A/C - Condensate Leaks Into Passenger Compartment
- Engine - Rough Idle/Hesitation/Backfire/Stalling
- Fuel System - Gasoline Testing Kit
- Rotunda Gas Chek Kit - Requires Modification
- Steering - Alignment Specifications
- Alignment Specifications - Shop Manual Update
- Engine - Rough Idle and Idle Stalls
- M/T - Fluid Leak From Countershaft
- Brakes - Noise Diagosis/Repair TSB Sumary