Repair and Diagnosis: Technical Service Bulletins

• How to Find Technical Service Bulletins by Category/Symptom
• Recalls
  • Recall - 90V166 Oil Cooler Hose Replacement
  • Recall 90V166000: Engine Oil Cooler Hose Defect
  • Recall 93E023000: Trailer/Towing Vehicle Separation
  • Recall 90V167000: Transmission Oil Level Problem
• Customer Interest
  • A/C - Unpleasent Odors When In Use
  • Disc Brakes - Squeal
  • Engine - Exhaust Valve Leaking
  • Rear Propeller Shaft - Vibration
  • M/T - Cyclic Droning Noise
  • A/T - High Pitched Humming Noise
  • Engine - Oil Leakage In the Distributor
  • Cruise Control Switch - Inoperative
  • A/T - (4L30E) DTC 41 Set in TCM
  • A/T - 4L30E Accumulator Piston Cover Fluid Leak
  • M/T Transfer Case - Fluid Leak From Trans. to T.case
  • HVAC System - Unpleasant Odors When In Use
  • A/T - (4L30E) Delayed Gear Engagement
  • Crankshaft - Front Oil Seal Retainer Leakage
  • A/T - Clunking Noise on 3-2 Downshift
• Factory Modifications
  • Engine - Exhaust Valve Leaking
• Labor/Parts Updates
  • Engine - Exhaust Valve Leaking
• Recommended Repairs
  • Disc Brakes - Squeal
• Seals, Gaskets
  • M/T Transfer Case - Fluid Leak From Trans. to T.case
• Superceded Bulletins
  • 8911006 - 09/28/89
  • Cruise Control Switch - Does Not Function
  • Airbags - Installation of On/Off Switches
  • A/C - R12 to R134a Conversion/Retrofit Procedures
  • Engine - Oil Consumption Usage Testing/Reporting
• All Technical Service Bulletins
  • Warranty Parts - Return Shipping Revisions
  • Sealers/Adhesives - Cross Reference Chart
  • Vehicle Recalls - Dealer Responsibilities
  • Shop Manual - Applications
  • Electrical - Inspect Connectors for Various Malfunctions
  • A/C System - Diagnostic Chart
  • A/C - Unpleasent Odors When In Use
  • A/C - R12 to R134 Retrofit Procedures
    • Overview
    • Service Procedure
    • Future Servicing of Retrofitted Vehicles
  • A/C - Refrigerant System Sealer/Leak Detection
  • Drivetrain - Driveline 'Clunk' Explanation
  • Disc Brakes - Squeal
  • Engine - Exhaust Valve Leaking
  • Spark Plug - Cleaning
  • Water Pump - Overhaul Procedures
  • Rear Crankshaft Oil Seal - Installation
  • Crankshaft Rear Oil Seal - Leakage Diagnosis
  • A/C - Receiver Dryer Replacement Recommendations
  • Exhaust Manifold - Stud Nut Removal/Installation
  • Ball Joint - Inspection Procedure
  • Tires - Replacement Yokohama Tires
  • Radial Tire - Sidewall Indentations
  • Wheel Lug - Torque Stick Now Used for Installation
  • Rear Seat Hook - Cover Installation
  • Rear Propeller Shaft - Vibration
  • M/T - Cyclic Droning Noise
  • Rear Differential Reassembly - Manual Correction
  • Transfer Case - Oil Leak Prevention
  • A/T - High Pitched Humming Noise
  • Battery - Testing and Inspection
  • Engine - Oil Leakage In the Distributor
  • Service Manual - Supplements
  • A/T - (4L30E) Control Module Identification
  • Power Antenna Mast - Replacement
  • Cruise Control Switch - Inoperative
  • Seat Belt Extender - Availability/Installation Procedure
    • Overview
    • Service Information
    • Dealer Letter
    • Seat Belt Extender Program Procedure
    • Front Seat Belt Extender Listings
  • Locking Hub - Special Tool
  • Manual Locking Hub - Repair Kit
  • Windshield Glass - Cleaning Recommendations
  • Safety Glass - Identification and Maintenance
  • Coolant - Propylene Glycol Not Approved by Isuzu
  • Engine Coolant - Propylene Glycol Acceptable for Use
  • Rocker Arm Lock Nut - Torque Revision
  • A/T - Manual Update
  • A/T - Replacement Questionaire
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • A/T - Intermittent Electrical Problems
  • A/T - 4L80E New Design Wiring Harness
  • A/T - 4L30E Planet Gear Indexing
  • A/T - Failsafe Modes
  • A/T - No Line Pressure/Uncontrollable High Pressure
  • A/T - 4L80E High Line Pressure/Broken Drum Cracked Case
  • A/T - No Shift 3-4 Shift, O/D Off, Light Does Not Work
  • A/T - Slipping or No-Shift/Metal Sealing Rings
  • A/T - Front Bushing Wear
  • A/T - Sprag Rotation
  • 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
  • Dexron-IIE Fluid - Recommended Usage
  • Recall - 90V166 Oil Cooler Hose Replacement
  • Recall 90V166000: Engine Oil Cooler Hose Defect
  • Electrical Wiring - Repair Terminal Kit Availability
  • A/T - (4L30E) DTC 41 Set in TCM
  • A/T Code 82 - Service Manual Addition
    • Overview
    • Trooper A/T With Transfer Case (THM, 4L30-E)
      • Trooper Page 05C-26
      • Page 05C-37
      • Page 05C-39
      • Page 05C-40
      • Page 05C-41
      • Page 05C-42
      • Page 05C-58
      • Page 05C-130
      • Page 05C-131
    • Rodeo Automatic Transmission (4L30-E)
      • Page 7A-17
      • Page 7A-28
      • Page 7A-30
      • Page 7A-31
      • Page 7A-32
      • Page 7A-33
      • Page 7A-49
      • Page 7A-82
      • Page 7A-83
  • Audio System - Troubleshooting
  • Paint - Codes/Cross Reference
    • Overview
    • Chart 1
    • Chart 2
  • Recall 93E023000: Trailer/Towing Vehicle Separation
  • Trailer Hitch Kit - Installation Instructions
  • A/T - 4L30E Accumulator Piston Cover Fluid Leak
  • Refrigerant - Warnings/Precautions
  • Air Conditioning - Refrigerant Recovery
  • M/T Transfer Case - Fluid Leak From Trans. to T.case
  • Recall 90V167000: Transmission Oil Level Problem
  • HVAC System - Unpleasant Odors When In Use
  • A/T - (4L30E) Delayed Gear Engagement
  • Cruise Control Stalk Replacement - Manual Addition
  • Crankshaft - Front Oil Seal Retainer Leakage
  • A/T - Clunking Noise on 3-2 Downshift
  • 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