Underdrive Clutch

A246E AUTOMATIC TRANSAXLE: UNDERDRIVE CLUTCH:

INSPECTION

1. INSPECT UNDERDRIVE CLUTCH DISC NO.1





(a) Check if the sliding surfaces of the discs, plates and flanges are worn or burnt. If necessary, replace them.

- If the lining of the disc is peeling off or discolored, or even if a part of the printed numbers are defaced, replace the disc.
- Before assembling new discs, soak them in ATF for at least 15 minutes.

2. INSPECT UNDERDRIVE CLUTCH PISTON SUB-ASSEMBLY





(a) Check that the check ball is free by shaking the underdrive clutch piston sub-assy.





(b) Check that the valve does not leak by applying low pressure compressed air.
3. INSPECT UNDERDRIVE CLUTCH DRUM SUB-ASSEMBLY





(a) Using a caliper gauge, measure the bushing inside diameter of the underdrive clutch drum sub-assy.
Standard inside diameter:
Front side
46.500 to 46.525 mm (1.83071 to 1.83169 in.)
Rear side
55.000 to 55.030 mm (2.16535 to 2.16653 in.)
Maximum inside diameter:
Front side
46.570 mm (1.83346 in.)
Rear side
55.080 mm (2.16850 in.)