Overdrive Brake Inspection
INSPECT PISTON OPERATION OF OVERDRIVE BRAKE
INSPECT OVERDRIVE BRAKE RETURN SPRING
INSPECT OVERDRIVE BRAKE CLUTCH DISC
INSPECT PISTON OPERATION OF OVERDRIVE BRAKE
Overdrive Brake -- Inspection |
1. INSPECT PISTON OPERATION OF OVERDRIVE BRAKE |
Place the overdrive support assembly onto the direct clutch assembly.
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 |
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 |
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.
- NOTICE:
- Before assembling new discs, soak them in ATF for at least 15 minutes.
4. INSPECT PISTON OPERATION OF OVERDRIVE BRAKE |
Place the overdrive support assembly onto the direct clutch assembly.
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.