OVERDRIVE BRAKE DISASSEMBLY


  1. INSPECT PISTON OPERATION OF OVERDRIVE BRAKE

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    1. Place the overdrive support assembly onto the direct clutch assembly.

    2. A01DYXDE01

      Apply compressed air (392 kPa (4 kgf/cm2, 57 psi)) into the oil passage, and check that the overdrive brake piston moves smoothly.

  2. REMOVE OVERDRIVE BRAKE RETURN SPRING

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    1. Place SST on the retainer spring, and compress the return spring with a press.

      SST
      09350-30020   ( 09350-07030 )

    2. Using a screwdriver, pry out the snap ring.

    3. Remove the brake return spring.

  3. INSPECT OVERDRIVE BRAKE RETURN SPRING

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    1. Using a vernier caliper, measure the free length of the spring together with the spring seat.

      Standard free length
      17.03 mm (0.671 in.)

      If the length is not as specified, replace the spring.

  4. REMOVE OVERDRIVE BRAKE PISTON

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    1. Place the overdrive support onto the direct clutch assembly.

    2. Hold the overdrive brake piston so that it does not slant, and apply compressed air (392 kPa (4 kgf/cm2, 57 psi)) into the passage to remove the overdrive brake piston.

    3. Remove the overdrive brake piston.

    4. A01DY74E03

      Remove the 2 O-rings.

  5. REMOVE OVERDRIVE CLUTCH DRUM OIL SEAL RING

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    1. Remove the 2 oil seal rings.

    2. A01E1VYE01

      Remove the clutch drum thrust washer from the overdrive support.

  6. INSPECT OVERDRIVE BRAKE CLUTCH DISC

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    1. Replace all discs if one of the following problems is present: 1) a disc, plate or flange is worn or burnt, 2) the lining of a disc is peeled off or discolored, or 3) grooves or printed numbers have even a little bit of damage.

      Note

      Before assembling new discs, soak them in ATF for at least 15 minutes.