Transmission and Drivetrain: Technical Service Bulletins

• Recalls
  • Generals
    • Campaign - A/T Vent Valve Springs Not Installed
  • Safety
    • Recall - Wheel Inspection and Replacement
• Customer Interest
  • Driveshaft - Vibration or Noise Troubleshooting Chart
  • A/T - Correct Shift Cable Adjustment
  • M/T - Input Bearing Cover Oil Leak
  • M/T, A/T - No Alignment Dowels Causes Premature Wear
  • A/T - Improper Retention of Vent Valve Seat
    • Overview
    • Attachment 1 to S.I. 24 01 85 (1012)
    • Attachment 2 to S.I. 24 01 85 (1012)
    • Owner Letter Information
  • A/T - ATF Dipstick Too Short, Overfill Concern
• By Symptom
  • Abnormal wear/deterioration
    • M/T, A/T - No Alignment Dowels Causes Premature Wear
  • Customer Interest
    • Driveshaft - Vibration or Noise Troubleshooting Chart
    • A/T - Correct Shift Cable Adjustment
    • M/T - Input Bearing Cover Oil Leak
    • M/T, A/T - No Alignment Dowels Causes Premature Wear
    • A/T - Improper Retention of Vent Valve Seat
      • Overview
      • Attachment 1 to S.I. 24 01 85 (1012)
      • Attachment 2 to S.I. 24 01 85 (1012)
      • Owner Letter Information
    • A/T - ATF Dipstick Too Short, Overfill Concern
  • Difficult gear selection
    • A/T - Correct Shift Cable Adjustment
  • Erratic Operation
    • Clutch - Release Bearing With Plastic Sliding Sleeve
  • Hard shifting/Stiff clutch
    • Clutch - Release Bearing With Plastic Sliding Sleeve
    • M/T - Difficult to Shift, Diagnostic Tips
    • M/T - Decreasing Cold Shift Efforts
  • Inoperative
    • A/T - Improper Retention of Vent Valve Seat
      • Overview
      • Attachment 1 to S.I. 24 01 85 (1012)
      • Attachment 2 to S.I. 24 01 85 (1012)
      • Owner Letter Information
  • Leaks
    • M/T - Input Bearing Cover Oil Leak
  • Loose
    • Recall - Wheel Inspection and Replacement
  • No shift/Incorrect gear engagement
    • A/T - ZF 4 HP-22 Slipping/No Reverse/3-4 Shuttle Shift
    • A/T - Slipping or No-Shift/Metal Sealing Rings
  • Noise
    • Driveshaft - Vibration or Noise Troubleshooting Chart
  • Recalls
    • Recall - Wheel Inspection and Replacement
    • Campaign - A/T Vent Valve Springs Not Installed
  • Slipping
    • A/T - ZF 4 HP-22 Slipping/No Reverse/3-4 Shuttle Shift
    • A/T - Slipping or No-Shift/Metal Sealing Rings
    • A/T - Improper Retention of Vent Valve Seat
      • Overview
      • Attachment 1 to S.I. 24 01 85 (1012)
      • Attachment 2 to S.I. 24 01 85 (1012)
      • Owner Letter Information
  • Sticking/Binding
    • Clutch - Release Bearing With Plastic Sliding Sleeve
    • A/T - ZF4HP22 Clutch A (Foward) Failure
  • Vibration
    • Driveshaft - Vibration or Noise Troubleshooting Chart
  • Won't disengage
    • A/T - ATF Dipstick Too Short, Overfill Concern
• 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
  • A/T - Transmission Failure During Exhaust Emission Test
  • Recall - Wheel Inspection and Replacement
  • Wheel Centering Hub - Corrosion
  • Drivetrain - Procedure For Determining Driveline Specs
  • Driveshaft - Vibration or Noise Troubleshooting Chart
  • Clutch Discs - Asbestos Fibers
  • Special Tool - Clutch Disc Wear Gauge
  • Clutch - Release Bearing With Plastic Sliding Sleeve
  • Drivetrain - Axle Shaft Joints/Differential Precautions
  • Differential - Final Drive Units Exchange
  • A/T - Primary Oil Pump Housing Production Change
  • Service Interval Indicator - Prevent Unnecessary R and R
  • A/T - Cooler Flushing and Equipment
  • A/T - Correct Shift Cable Adjustment
  • Clutch - Master Cylinder Modifications
  • A/T - Adjusting Selector Lever and Accelerator Cable
  • M/T - Input Bearing Cover Oil Leak
  • Fluids/Chemicals - Specifications and Requirements
    • Overview
    • Engine Oil & Manual Transmission Oil Information
    • Final Drive Gear Lube, Antifreeze, Brake Fluid & Axle Lube Information
    • Automatic Transmission Fluid Information
  • A/T - ZF Cross Reference Part Numbers
  • A/T 4HP22/4HP22EH - Overhaul Kit Availability
  • A/T - Parts Microfiche Missing O-Ring Information
  • Campaign - A/T Vent Valve Springs Not Installed
  • 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 - ZF 4 HP-22 Slipping/No Reverse/3-4 Shuttle Shift
  • 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
  • A/T - Unnecessary Replacement 0f Sprag Clutch
  • M/T - Difficult to Shift, Diagnostic Tips
  • M/T, A/T - No Alignment Dowels Causes Premature Wear
  • Final Drive - Oil Capacity
  • Differential Oil - Recommendations and Availability
  • Differential - Final Drive Oil Capacity
  • A/T - Improper Retention of Vent Valve Seat
    • Overview
    • Attachment 1 to S.I. 24 01 85 (1012)
    • Attachment 2 to S.I. 24 01 85 (1012)
    • Owner Letter Information
  • A/T - ATF Dipstick Too Short, Overfill Concern
  • M/T - Decreasing Cold Shift Efforts
  • Drivetrain - Differential Cover Sealant
  • M/T - Dual Mass Flywheel Diagnostic Criteria