Repair and Diagnosis: Technical Service Bulletins

• How to Find Technical Service Bulletins by Category/Symptom
• Recalls
  • Emissions
    • Recall 82V061000: EGR Valve Defect
  • Safety
    • Recall 82V038000: Piston Pin Defect
    • Recall 81V135000: Hub Lock Nut Cotter Pin Missing
• Customer Interest
  • A/C - Unpleasent Odors When In Use
  • Disc Brakes - Squeal
  • Steering Column - Squeak
  • Engine - Oil Leakage In the Distributor
  • Engine - Backfires Excessively
  • Front Door/Fender - Ice Buildup and Damage
  • Wiper Blades - Windshield Streaking
  • HVAC System - Unpleasant Odors When In Use
• Recommended Repairs
  • Disc Brakes - Squeal
• Warranty Info
  • Engine Performance - High Altitude Emission Adjustments
• Superceded Bulletins
  • Airbags - Installation of On/Off Switches
  • Engine - Oil Consumption Usage Testing/Reporting
• All Technical Service Bulletins
  • Warranty Parts - Return Shipping Revisions
  • Sealers/Adhesives - Cross Reference Chart
  • Tools - Essential List and Description
  • Threebond Sealant - Recommended Usage
  • Vehicle Recalls - Dealer Responsibilities
  • Electrical - Inspect Connectors for Various Malfunctions
  • A/C - Unpleasent Odors When In Use
  • Drivetrain - Driveline 'Clunk' Explanation
  • Disc Brakes - Squeal
  • Crankshaft Rear Oil Seal - Leakage Diagnosis
  • Recall 82V038000: Piston Pin Defect
  • Muffler - Installation Tips
  • A/C - Receiver Dryer Replacement Recommendations
  • Tires - Replacement Yokohama Tires
  • Radial Tire - Sidewall Indentations
  • Wheel Lug - Torque Stick Now Used for Installation
  • Steering Column - Squeak
  • Differential - Pinion Shim Selection
  • Transfer Case - Oil Leak Prevention
  • Remanufacturing Program
  • Battery - Testing and Charging Procedure
  • Battery - Testing and Inspection
  • Engine - Oil Leakage In the Distributor
  • Seat Belt Extender - Availability/Installation Procedure
    • Overview
    • Service Information
    • Dealer Letter
    • Seat Belt Extender Program Procedure
    • Front Seat Belt Extender Listings
  • Engine - Backfires Excessively
  • Engine - New Rod and Main Bearings Available
  • Speedometer/Odoometer - Mileage Compliance
  • Wiper Arm/Motor - Nut Torquing Procedure
  • California Emission Labels - Controlling Misuse
  • Engine Performance - High Altitude Emission Adjustments
  • 4WD Hubs - Converting Auto Locking to Manual
  • Automatic Locking Hub - Updates
  • Front Door/Fender - Ice Buildup and Damage
  • Windshield Glass - Cleaning Recommendations
  • Wiper Blades - Windshield Streaking
  • Coolant - Propylene Glycol Not Approved by Isuzu
  • Engine Coolant - Propylene Glycol Acceptable for Use
  • Valve Spring - Revised Design
  • M/T and Engine - Workshop Manual Corrections
  • A/T - THM Identification Code Definitions
  • A/T - Converter Clutch Solenoid Fluid Source I.D.
  • A/T - Torque Converter Identification
    • Overview
    • 298 mm Identification
    • 245 mm Identification
  • A/T - 200, 325, 2004R, 3254L GM Servos
  • A/T - Engine Vacuum Testing
  • A/T - Diagnosing Converter Lock-Up Problems
    • Overview
    • Test # 1 - Checking For 12 Volts at Terminal -A-
      • Regular Method
      • Quick Method
    • Test # 2 - Checking For 12 Volts Across Fuse
    • Test # 3 - Checking For 12 Volts Across Brake Switch
    • Test # 4 - Adjusting/Replacing the Brake Switch
    • Test # 5 - Checking Wires For Shorts and Opens
    • Test # 6 - Checking For Ground at Terminal -D-
      • Regular Method
      • Quick Method
    • Test # 7 - Grounding the -D- Wire
      • Regular Method
      • Quick Method
    • Test # 8 - Checking Cooler Line Pressure or Surge
    • Test # 9 - Checking the Solenoid
    • Test # 10 - Checking Electrical Switches on Trans.
    • Test # 11 - Checking Lockup Apply Valve
    • Test # 12 - Checking Signal Oil Circuit
    • Test # 13 - Checking the Computer
  • A/T - How To Use A Pressure Gauge
  • A/T - Intermittent Electrical Problems
  • A/T - 200/200C/200R4, 325/3254L, 700-R4 No 2nd Gear
  • A/T - THM Late or No Upshifts
  • A/T - A40 Series O/D Won't Cancel Fourth Gear
  • A/T - A40 Series Needle Bearing Identification
  • A/T - No Converter Clutch Apply When Unit Is Hot
  • A/T - 200/2004R, 325/3254L No Reverse/First Gear Only
  • A/T - Recurrent Sticking Valves/In Line Filters
  • A/T - 200C/2004R, 700-R4 Lip Seal Packages Part Numbers
  • A/T - Rapid Converter Pump Bushing Wear
  • A/T - Converter Clutch Shudder
  • A/T - 125, 200C/200 4R, 700 R4 Hidden Residue Build Up
  • A/T - Sticking Throttle Valves
  • 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 - Governor Pressure Switches
  • 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 Upshift/Governor Contamination
  • A/T - THM Steel Clutch Piston Inspection
  • A/T - Sprag Rotation
  • A/T - Checking Pressure Switches For Leaks
  • A/T - Math Formulas Part I
    • Overview
    • Shift Speed and Pressure
    • Speedometer Ratios
  • A/T - Twenty Steps To Successful Repairs
  • A/T - Math Part II
  • CD Player - Compatible Compact Discs
  • Recall 82V061000: EGR Valve Defect
  • Dexron-IIE Fluid - Recommended Usage
  • Fog Lamp - Troubleshooting Manual Addition
  • Oil Drain Plug Washer - Replacement
  • Electrical Wiring - Repair Terminal Kit Availability
  • Paint Codes - Listed by Manufacturer
  • Recall 81V135000: Hub Lock Nut Cotter Pin Missing
  • Refrigerant - Warnings/Precautions
  • Manual Transmission - Shift Fork Update
  • HVAC System - Unpleasant Odors When In Use
  • Airbag - On/Off Switch Kit Availability
  • Tires - Proper Inflation Pressure Information
  • Fuel System - Top Tier Detergent Gasoline Information
  • Engine - Oil Usage Testing and Reporting
  • Fuel System - Fuel Mileage Do's and Don'ts