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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 >> Valve Body Assembly Disassembly & Reassembly >> Disassembly (A-540H)

Disassembly (A-540H)

  1. Remove No. 1 and No. 2 solenoids. See Fig 1. DO NOT use a screwdriver to pry up solenoid(s). Remove "O" ring(s) from solenoid(s). Remove shift solenoid valve SL. Remove shift solenoid valve ST with check valve sleeve. Remove shift solenoid valve ST from check valve sleeve.
  2. Remove key, 2 check valves and check ball from check valve sleeve. Remove OD brake accumulator assembly. Applying compressed air to accumulator cylinder hole, remove piston and spring. Remove 2 "O" rings from piston.
  3. Remove bolts from upper valve body and cover. Note bolt length and location for reassembly reference. Remove upper valve body cover, oil strainer, gaskets and plate. Remove lock-up relay valve sleeve stopper. Turn assembly over.
  4. Remove bolts from lower valve body and cover. Carefully remove lower valve body cover gaskets and plate. Note location of check balls, retainers, keys and pins in valve body.
  5. Remove 2 check balls from lower valve body. Remove 1 bolt from lower valve body. Remove 3 bolts from upper valve body. Hold No. 1 plate to upper valve body. Lift off upper valve body and plate as a unit. DO NOT lose steel balls, retainers and pins in valve body.
Fig 1: Exploded View Of Valve Body Assembly (A-540H)
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