INSPECT PISTON OPERATION OF OVERDRIVE BRAKE
Place the O/D 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 O/D brake piston moves smoothly.
REMOVE OVERDRIVE BRAKE RETURN SPRING SUB-ASSEMBLY
Place SST on the spring retainer, and compress the return spring with a press.
Remove the snap ring with a screwdriver.
Remove the piston return spring.
INSPECT OVERDRIVE BRAKE RETURN SPRING SUB-ASSEMBLY
Measure the free length of the spring together with the spring seat.
| Standard free length |
|---|
| 17.03 mm (0.671 in.) |
REMOVE OVERDRIVE BRAKE PISTON
Place the O/D support onto the direct clutch assembly.
Hold the O/D 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 O/D brake piston.
Remove the O/D brake piston.
Remove the 2 O-rings.
REMOVE OVERDRIVE CLUTCH DRUM OIL SEAL RING
Remove the 2 oil seal rings.
Remove the thrust washer from O/D support.
INSPECT OVERDRIVE BRAKE CLUTCH DISC
Check if the sliding surface of the disc, the plate and the flange are worn or burnt. If necessary, replace them.
Tech Tips
If the lining of the disc is peeled off or discolored, or even if only a part of the printed numbers is corroded, replace all discs.
Before assembling new discs, soak them in ATF for at least 15 minutes.