Automatic Transmission/Transaxle: Technical Service Bulletins

• Customer Interest
  • A/T - 4F20E Whining Noise On Light Tip In Acceleration
    • Overview
    • Service Procedure
  • A/T - 4F20E Harsh Upshifts In All Gears
  • A/T - Inadvertent Shift Interlock Disabling
  • A/T - Vibration/Shudder During 1st - 2nd Gear Upshift
  • Engine - Stalls When Shifting to Drive or Reverse
  • A/T - 4F20E Whine In Overdrive Between 25 and 45 MPH
• All Technical Service Bulletins
  • A/T - Choosing the Right ATF
  • A/T - Math Part II
  • A/T - Twenty Steps To Successful Repairs
  • A/T - Math Formulas Part I
    • Overview
    • Shift Speed and Pressure
    • Speedometer Ratios
  • A/T - Front Bushing Wear
  • A/T - Slipping or No-Shift/Metal Sealing Rings
  • A/T - Forward Sprag Rotation
  • A/T - 4F20E/RE4F04A None or Low Line Pressure Rise
  • A/T - How To Use A Pressure Gauge
  • A/T - Engine Vacuum Testing
  • A/T - 4F20E Whining Noise On Light Tip In Acceleration
    • Overview
    • Service Procedure
  • A/T - New Rotunda Fluid Changer Service Tip
  • Torque Converter - Cleaning and Replacement Guidelines
    • Overview
    • Diagnostic Procedure
    • Service Procedure
      • Replacement
      • Torque Converter & Transmission Cooling System Cleaning
  • A/T - Cooler Flushing Service Tips
  • A/T - 4F20E Harsh Upshifts In All Gears
  • A/T Torque Converter - Leak Test Procedure
  • A/T - Mercon V ATF Usage
  • A/T - Inadvertent Shift Interlock Disabling
  • A/T - Vibration/Shudder During 1st - 2nd Gear Upshift
  • Engine - Stalls When Shifting to Drive or Reverse
  • A/T - 4F20E Whine In Overdrive Between 25 and 45 MPH