Transmission and Drivetrain: Technical Service Bulletins

• Recalls
  • Recall - 93S902 A/T Dipstick Warning Tag
  • Recall - 90V167 A/T Dipstick Replacement
  • Recall - 90V167 A/T Dipstick Improved Dewsign
  • Recall 90V167000: Transmission Oil Level Problem
  • Recall - Replacement of A/T Dipstick
    • Overview
    • Service Procedure
    • Owner Letter
• Customer Interest
  • Rear Propeller Shaft - Vibration
  • M/T - Cyclic Droning Noise
  • Torque Converter - Shudder/Noise on Lock-up
  • MIL ON Erroneous DTCs 33/43 Trans in Backup Mode
  • A/T - 4L30E Rattle From Gear Selector Area
  • Cruise Control - Poor Performance
    • Overview
    • Service Procedure
    • Trooper Models
    • Rodeo Models:
  • 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
  • A/T - (4L30E) Delayed Gear Engagement
  • A/T - Clunking Noise on 3-2 Downshift
• By Symptom
  • Abnormal wear/deterioration
    • Recall - 90V167 A/T Dipstick Replacement
  • Customer Interest
    • Rear Propeller Shaft - Vibration
    • M/T - Cyclic Droning Noise
    • Torque Converter - Shudder/Noise on Lock-up
    • MIL ON Erroneous DTCs 33/43 Trans in Backup Mode
    • A/T - 4L30E Rattle From Gear Selector Area
    • Cruise Control - Poor Performance
      • Overview
      • Service Procedure
      • Trooper Models
      • Rodeo Models:
    • 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
    • A/T - (4L30E) Delayed Gear Engagement
    • A/T - Clunking Noise on 3-2 Downshift
  • Leaks
    • A/T - 4L30E Accumulator Piston Cover Fluid Leak
    • M/T Transfer Case - Fluid Leak From Trans. to T.case
    • Recall - 90V167 A/T Dipstick Replacement
  • No shift/Incorrect gear engagement
    • A/T - No Shift 3-4 Shift, O/D Off, Light Does Not Work
    • A/T - Slipping or No-Shift/Metal Sealing Rings
  • Noise
    • Drivetrain - Driveline 'Clunk' Explanation
    • M/T - Cyclic Droning Noise
    • Torque Converter - Shudder/Noise on Lock-up
    • A/T - 4L30E Rattle From Gear Selector Area
    • A/T - Clunking Noise on 3-2 Downshift
  • Recalls
    • Recall - 93S902 A/T Dipstick Warning Tag
    • Recall - 90V167 A/T Dipstick Replacement
    • Recall - 90V167 A/T Dipstick Improved Dewsign
    • Recall 90V167000: Transmission Oil Level Problem
    • Recall - Replacement of A/T Dipstick
      • Overview
      • Service Procedure
      • Owner Letter
  • Slipping
    • A/T - Slipping or No-Shift/Metal Sealing Rings
  • Vibration
    • Rear Propeller Shaft - Vibration
    • M/T - Cyclic Droning Noise
• All Technical Service Bulletins
  • Electrical - Inspect Connectors for Various Malfunctions
  • Drivetrain - Driveline 'Clunk' Explanation
  • Rear Propeller Shaft - Vibration
  • M/T - Cyclic Droning Noise
  • Rear Differential Reassembly - Manual Correction
  • Transfer Case - Oil Leak Prevention
  • A/T and Transfer Case - Manual Correction
    • Overview
    • 1990/91 Trooper (Kt) (THM,4L30-E)
    • 1991 Rodeo A/T (4L30-E)
    • 1991 Rodeo Transfer Case
  • Torque Converter - Shudder/Noise on Lock-up
  • A/T - (4L30E) Control Module Identification
  • MIL ON Erroneous DTCs 33/43 Trans in Backup Mode
  • Locking Hub - Special Tool
  • Manual Locking Hub - Repair Kit
  • A/T - 4L30E Rattle From Gear Selector Area
  • A/T - Manual Update
  • A/T - Replacement Questionaire
  • Cruise Control - Poor Performance
    • Overview
    • Service Procedure
    • Trooper Models
    • Rodeo Models:
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • A/T - Intermittent Electrical Problems
  • A/T - 4L30E Planet Gear Indexing
  • A/T - Failsafe Modes
  • 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
  • Dexron-IIE Fluid - Recommended Usage
  • A/T - (4L30E) TECH-1 Hookup
  • 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
  • A/T - 4L30E Accumulator Piston Cover Fluid Leak
  • M/T Transfer Case - Fluid Leak From Trans. to T.case
  • Recall - 93S902 A/T Dipstick Warning Tag
  • Recall - 90V167 A/T Dipstick Replacement
  • Recall - 90V167 A/T Dipstick Improved Dewsign
  • Recall 90V167000: Transmission Oil Level Problem
  • Recall - Replacement of A/T Dipstick
    • Overview
    • Service Procedure
    • Owner Letter
  • A/T - (4L30E) Delayed Gear Engagement
  • A/T - Clunking Noise on 3-2 Downshift