B2, B4 BRAKE AND F3 ONE-WAY CLUTCH INSPECTION
id051300261600
1. Using vernier calipers, measure the free length of the piston return spring.
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B2 brake return spring free length
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Standard: 22.66 mm {0.89 in}
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• If it less than the specification, replace the piston return spring with a new one.
2. Inspect the lining of all drive plates. (B2)
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• 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.
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Note
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• 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.
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B4 brake return spring free length
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Standard: 13.84 mm {0.54 in}
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• If it less than the specification, replace the piston return spring with a new one.
4. Inspect the lining of all drive plates. (B4)
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• 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.
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Note
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• 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.
