B2, B4 BRAKE AND F3 ONE-WAY CLUTCH INSPECTION

id051300261600

1. Using vernier calipers, measure the free length of the piston return spring.

bsj6za00000290

  B2 brake return spring free length

  Standard: 22.66 mm {0.89 in}

  • If it less than the specification, replace the piston return spring with a new one.

2. Inspect the lining of all drive plates. (B2)

bsj6za00000654

  • If the lining is flaking or has changed color, or if it is worn or the print mark is wearing away, replace it with a new drive plate.
  • When replacing, inspect the contact surfaces between the retaining plate, driven plate and drive plate.
  • If they are scratched or have changed color, replace with new parts.

  Note
  • Before replacing with new drive plates, soak them at least 2 h in ATF.

3. Using vernier calipers, measure the free length of the piston return spring.

bsj6za00000292

  B4 brake return spring free length

  Standard: 13.84 mm {0.54 in}

  • If it less than the specification, replace the piston return spring with a new one.

4. Inspect the lining of all drive plates. (B4)

bsj6za00000655

  • If the lining is flaking or has changed color, or if it is worn or the print mark is wearing away, replace it with a new drive plate.
  • When replacing, inspect the contact surfaces between the retaining plate, driven plate and drive plate.
  • If they are scratched or have changed color, replace with new parts.

  Note
  • Before replacing with new drive plates, soak them at least 2 h in ATF.

5. Verify that the inner race rotates when the F3 one-way clutch is secured and rotated clockwise, and that it does not rotate when the F3 one-way clutch is rotated counterclockwise.

bsj6za00000656