Transmission and Drivetrain: Technical Service Bulletins

• Customer Interest
  • A/T - Engagement Time Reduced
    • Overview
    • A43DE (With ECT)
    • A42DL and A44DL Transmission With Overdrive and Lock-Up Converter
    • A40D and A43D Transmission With Overdrive
    • Part Number Information A40D:
    • Part Number Information A42DL:
    • Part Number Information A43D (RN:22R-E):
    • Part Number Information A43D (RN:22R):
    • Part Number Information A43DE:
    • Part Number Information A44DL:
• By Symptom
  • Abnormal wear/deterioration
    • A/T - New Oil Tube To Extention Housing
    • A/T - Valve Body Rubber Check Balls Modified
  • Customer Interest
    • A/T - Engagement Time Reduced
      • Overview
      • A43DE (With ECT)
      • A42DL and A44DL Transmission With Overdrive and Lock-Up Converter
      • A40D and A43D Transmission With Overdrive
      • Part Number Information A40D:
      • Part Number Information A42DL:
      • Part Number Information A43D (RN:22R-E):
      • Part Number Information A43D (RN:22R):
      • Part Number Information A43DE:
      • Part Number Information A44DL:
  • Hard Shifting
    • A/T - RWD 4 Speed Rough 1-2 Upshift
    • A/T - A44DL Harsh 1-2 Shift
  • Inoperative
    • A/T - Torque Converter Lock-Up Clutch Not Releasing
  • No shift/Incorrect gear engagement
    • A/T - Slipping or No-Shift/Metal Sealing Rings
    • A/T - Engagement Time Reduced
      • Overview
      • A43DE (With ECT)
      • A42DL and A44DL Transmission With Overdrive and Lock-Up Converter
      • A40D and A43D Transmission With Overdrive
      • Part Number Information A40D:
      • Part Number Information A42DL:
      • Part Number Information A43D (RN:22R-E):
      • Part Number Information A43D (RN:22R):
      • Part Number Information A43DE:
      • Part Number Information A44DL:
  • Slipping
    • A/T - Slipping or No-Shift/Metal Sealing Rings
  • Won't disengage
    • A/T - A40 Series O/D Won't Cancel Fourth Gear
• All Technical Service Bulletins
  • Tools - Special Service Tools
  • Driveshaft - (Two-Piece) Replacement Parts Procedure
  • A/T - Torque Converter Lock-Up Clutch Not Releasing
  • A/T - Transmission Cooler
    • Overview
    • Part Number and Production Change Information
    • Section 1 - Oil Cooler
    • Section 2 - Valve Body Modification
    • Flat Rate Time Guidelines
  • A/T - Transmission Oil Cooler Flushing
  • A/T - Torque Converter Mounting Bolt Procedure
  • A/T - Torque Converter Mounting Bolt Caution
  • A/T - Serial Numbers/Identification
  • A/T - New Oil Tube To Extention Housing
  • A/T - A42DL/A44DL Improving Converter Performance
  • A/T - Engine Vacuum Testing
  • A/T - How To Use A Pressure Gauge
  • A/T - RWD 4 Speed Rough 1-2 Upshift
  • A/T - A40 Series O/D No Fourth Gear
  • A/T - A40 Series O/D Won't Cancel Fourth Gear
  • A/T - Checkball Wear
  • A/T - Slipping or No-Shift/Metal Sealing Rings
  • A/T - Front Bushing Wear
  • A/T - A44DL Harsh 1-2 Shift
  • A/T - Identification
  • 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 - A40VB Valve Body Interchange
  • A/T - Choosing the Right ATF
  • M/T - Shift Fork Snap Ring Modifications
  • M/T - Application and Lube Chart
  • A/T - Fluid Type T-IV Replaces Type T-II
  • A/T - Fluid Interchangeability
  • A/T - Valve Body Rubber Check Balls Modified
  • A/T - Engagement Time Reduced
    • Overview
    • A43DE (With ECT)
    • A42DL and A44DL Transmission With Overdrive and Lock-Up Converter
    • A40D and A43D Transmission With Overdrive
    • Part Number Information A40D:
    • Part Number Information A42DL:
    • Part Number Information A43D (RN:22R-E):
    • Part Number Information A43D (RN:22R):
    • Part Number Information A43DE:
    • Part Number Information A44DL: