Transmission and Drivetrain: Technical Service Bulletins

• Customer Interest
  • A/T - Drivetrain Shudder/Vibration New Torque Converter
  • A/T - Suction Noises When Cold
  • Engine and A/T Oil Cooler Lines - Cracking
  • A/T - Correct Shift Cable Adjustment
  • M/T - Input Bearing Cover Oil Leak
  • A/T - Poor Shift Quality After R/R of Control Unit/Trans
  • M/T, A/T - No Alignment Dowels Causes Premature Wear
  • Driveshaft - Premature Failure of Center Bearing
  • A/T - Slips/Engine Races When Upshifting From 3rd Gear
• By Symptom
  • Abnormal wear/deterioration
    • M/T, A/T - No Alignment Dowels Causes Premature Wear
    • Driveshaft - Premature Failure of Center Bearing
  • Customer Interest
    • A/T - Drivetrain Shudder/Vibration New Torque Converter
    • A/T - Suction Noises When Cold
    • Engine and A/T Oil Cooler Lines - Cracking
    • A/T - Correct Shift Cable Adjustment
    • M/T - Input Bearing Cover Oil Leak
    • A/T - Poor Shift Quality After R/R of Control Unit/Trans
    • M/T, A/T - No Alignment Dowels Causes Premature Wear
    • Driveshaft - Premature Failure of Center Bearing
    • A/T - Slips/Engine Races When Upshifting From 3rd Gear
  • Difficult gear selection
    • A/T - Correct Shift Cable Adjustment
  • Erratic Operation
    • Clutch - Release Bearing With Plastic Sliding Sleeve
  • Erratic Shifting
    • A/T - Poor Shift Quality After R/R of Control Unit/Trans
  • Hard shifting/Stiff clutch
    • Clutch - Release Bearing With Plastic Sliding Sleeve
    • M/T - Difficult to Shift, Diagnostic Tips
  • Leaks
    • Engine and A/T Oil Cooler Lines - Cracking
    • M/T - Input Bearing Cover Oil Leak
  • Loose
    • Frame - Rear Axle Subframe Extension Arm Plugs
  • No shift/Incorrect gear engagement
    • A/T - Does Not Upshift When Cold
    • A/T - ZF 4 HP-22 Slipping/No Reverse/3-4 Shuttle Shift
    • A/T - Slipping or No-Shift/Metal Sealing Rings
  • Noise
    • A/T - Suction Noises When Cold
  • Slipping
    • A/T - Poor Shift Quality After R/R of Control Unit/Trans
    • A/T - ZF 4 HP-22 Slipping/No Reverse/3-4 Shuttle Shift
    • A/T - Slipping or No-Shift/Metal Sealing Rings
  • Sticking/Binding
    • Clutch - Release Bearing With Plastic Sliding Sleeve
    • A/T - ZF4HP22 Clutch A (Foward) Failure
  • Vibration
    • A/T - Drivetrain Shudder/Vibration New Torque Converter
• All Technical Service Bulletins
  • M/T - Repairs To Clutch Pedal Assembly
  • A/T - Failures Due To Incorrect Installation
  • Engine - Removal/Installation Tips
  • A/T, M/T - Repair Precautions to Prevent Damage
  • Radial Oil Seal Removal - Tool Tip
  • Final Drive Assembly - Special Tools
  • Updated MoDic(R) Software - C9.0 ZCS Coding
    • Overview
    • How to Load C9.0 Software With the MODIC Station
    • Label Printing
  • Updated MoDic(R) Software - P9.0 Programming
    • Overview
    • Flash Programming Features
    • Programming the Control Module
      • Overview
      • 1. "Determine Customer Service Measures"
      • 2. "Exchange Control Module"
      • 3. "Exchange EPROM"
      • 4. "Adjustment EWS - DME Vehicles From 1/95
      • 5. "Clear Adaptation Values"
    • How to Load V9.0 Software With the MODIC Station
    • Label Printing
    • Prerequisites For Programming
  • TIS - Software Update 12/96
    • Overview
    • TIS Loading Instructions For DIS Tester
    • TIS Loading Instructions For EPC/TIS Server
    • Proper Care of CDs
      • Overview
      • CD Return Procedure
  • Driveshaft - Lateral Alignment Procedure/Tool
  • A/T - Drivetrain Shudder/Vibration New Torque Converter
  • Special Tool - Clutch Disc Wear Gauge
  • Clutch - Release Bearing With Plastic Sliding Sleeve
  • Rear Axle - List of Ratios Updated
  • Rear Axle - Ratios
  • Differential - Final Drive Units Exchange
  • A/T - Suction Noises When Cold
  • A/T - Primary Oil Pump Housing Production Change
  • A/T - Cooler Flushing and Equipment
  • Engine and A/T Oil Cooler Lines - Cracking
  • Tools - Torque Converter Front Radial Oil Seal Installer
  • Special Tools - Oil Seal and Trailing Arm Bushing
  • A/T - Correct Shift Cable Adjustment
  • Clutch - Master Cylinder Modifications
  • ECM - EPROM Replacement/Application Chart
  • EPROM - Replacement/Application Chart Order Form
  • M/T - Input Bearing Cover Oil Leak
  • Differential - Reduced Weight Housing
  • A/T - ZF Cross Reference Part Numbers
  • A/T 4HP22/4HP22EH - Overhaul Kit Availability
  • A/T - Parts Microfiche Missing O-Ring Information
  • Special Tools - Transmission Alignment Gauge
  • A/T - Parts Interchangeability
  • A/T - Poor Shift Quality After R/R of Control Unit/Trans
  • A/T - Does Not Upshift When Cold
  • A/T - Scope of Repairs Policy
  • A/T - ZF 4HP-22 Pressure Tap Locations
  • A/T - ZF4HP22 Pressure Fitting Modification
  • A/T - Engine Vacuum Testing
  • A/T - ZF4HP22 Clutch A (Foward) Failure
  • A/T - How To Use A Pressure Gauge
  • A/T - ZF Orifice Placement
  • A/T - ZF 4HP 22 Valve Body Identification
  • A/T - Intermittent Electrical Problems
  • A/T - ZF 4 HP-22 Slipping/No Reverse/3-4 Shuttle Shift
  • A/T - Failsafe Modes
  • A/T - Slipping or No-Shift/Metal Sealing Rings
  • A/T - Front Bushing Wear
  • A/T - ZF 4HP-22 Clutch A (Foward) Failure
  • 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
  • A/T - ZF4HP22 Clutch Application Chart
  • A/T - ZF4HP22 Check Ball and Orifice Locations
  • A/T - ZF4HP22 Burning A (Foward) Clutch
  • A/T - Choosing the Right ATF
  • M/T - Difficult to Shift, Diagnostic Tips
  • Hydraulically Damped Dual Mass Flywheel - Description
  • M/T, A/T - No Alignment Dowels Causes Premature Wear
  • Special Tool - Rear Axle Mount Tool Modification
  • Frame - Rear Axle Subframe Extension Arm Plugs
  • Driveshaft - Premature Failure of Center Bearing
  • A/T - Slips/Engine Races When Upshifting From 3rd Gear
  • Drivetrain - Differential Cover Sealant
  • M/T - Dual Mass Flywheel Diagnostic Criteria