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Automatic Transmission Diagnose By Symptom

by Vincent Ciulla
for About.com

Diagnose By Symptom

Soft Or Slipping 2-3 Upshifts

  1. Main control assembly gaskets damaged or bolt out of torque.
  2. Main control separator plate damaged.
  3. Main control Electronic Pressure Control (EPC) solenoid stuck or damaged.
  4. Center support assembly bolt not tightened.
  5. Center support seal rings or grooves damaged.
  6. Center support outside diameter or case bore center support damaged or leaking.
  7. Direct clutch assembly friction elements burnt or missing.
  8. Direct clutch check ball missing, not seated.
  9. Direct clutch brake drum, intermediate band improperly adjusted or damaged.
  10. Intermediate servo seal leaking.
  11. Intermediate servo piston rod lever incorrect or damaged.
  12. Intermediate servo case bore damaged.

Additional Information provided courtesy of ALLDATA DIY

   Copyright © 2000 - 2003 Vincent T. Ciulla All Rights Reserved

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