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Home >> Toyota >> 1998 >> Avalon XLS >> Repair and Diagnosis (Single Page) >> Transmission >> Automatic Trans >> Automatic Transmission Overhaul - A-540E, A-540H & A-541E >> Overhaul >> Forward Clutch Disassembly & Reassembly >> Disassembly

Forward Clutch Disassembly & Reassembly: Disassembly

  1. Prior to disassembly, check piston stroke of forward clutch. Using a dial indicator, measure piston stroke by applying and releasing 57-114 psi (4-8 kg/cm2 ) of compressed air. See Figure. Piston stroke should be .071-.087" (1.79-2.21 mm) for A-540E and A-541E transaxles or .056-.072" (1.41-1.82 mm) for A-540H transaxle. If piston stroke is greater than maximum, inspect each component.
  2. Remove snap ring from clutch drum. See Figure. Remove flange, discs and plates. Note number and location of components. Using appropriate compressor, compress springs and remove snap ring. Remove return spring assembly. Remove retainer and springs. Apply compressed air to oil passage to remove piston. If piston does not come out, remove piston with needle-nose pliers. Remove oil seal rings (if necessary).