OVERDRIVE BRAKE INSPECTION


  1. INSPECT PISTON OPERATION OF OVERDRIVE BRAKE

    A01E06GE01

    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. INSPECT OVERDRIVE BRAKE RETURN SPRING

    A01DWA2E01

    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.

  3. INSPECT OVERDRIVE BRAKE CLUTCH DISC

    A01DX6AE01

    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.

  4. INSPECT PISTON OPERATION OF OVERDRIVE BRAKE

    A01DYXDE01

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

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