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Home >> Pontiac >> 1988 >> Fiero Formula, Automatic >> Repair and Diagnosis >> Transmission >> Automatic Trans >> Overhaul & Testing - 125C/3T40 >> Component Disassembly & Reassembly >> Case Cover >> Disassembly

Case Cover: Disassembly

  1. Remove detent spring/roller assembly retaining screw, and remove spring/roller assembly. Remove 2 thermostatic roll pin retainers. Remove thermostatic element and plate. Remove axle oil seal and guard if necessary.
  2. Using a drift, drive out manual valve cup plug. Carefully withdraw manual valve. DO NOT  use manual valve to drive out cup plug.