With E4OD
DISASSEMBLEForward Clutch Exploded View:
NOTE: Refer to the Forward Clutch Exploded View image when performing the following procedure.
Replacing Needle Bearing Assembly:
1. Remove needle bearing assembly from inner face of cylinder.
2. Remove needle bearing assembly No. 7F374.
3. Remove both Teflon seal rings No. 7F078 from grooves.
4. Remove snap ring, then the front pressure plate.
5. Remove four plate clutch pack, cushion spring, and rear pressure plate.
NOTE: Tag parts for assembly reference.
6. Remove return spring snap ring, then the return spring.
7. Remove steel ring from piston groove.
Air Port Location:
8. Remove piston from cylinder using compressed air.
9. Remove outer seal from piston, then the inner seal from cylinder.
ASSEMBLE
NOTE: Soak all friction plates in clean transmission fluid for fifteen minutes.
1. Install inner seal in cylinder, then outer seal on piston.
2. Inspect piston check ball for freedom of movement and clean it if necessary.
3. Using lip seal protector No. T77L-77548-A or equivalent, install piston into cylinder.
4. Install steel ring into groove on piston.
5. Install return spring into cylinder. Ensure return spring fingers are against piston/steel ring.
6. Install snap ring.
7. Install rear pressure plate, then cushion spring.
8. Install four steel plates and four friction plates alternately, starting with a steel plate.
9. Install selective snap ring. Using feeler gauge check stack-up. Clearance should not exceed 0.055-0.030 inch.
10. If clearance is not within specifications, install correct selective snap ring and recheck. Selective snap rings are available in following sizes: 0.056-0.060 inch, 0.074-0.078 inch, 0.092-0.096 inch, 0.110-0.114 inch and 0.128-0.132 inch.
11. Install Teflon seal rings in grooves.
12. Install needle bearing assembly No. 75374 over Teflon seal snout.
13. Install needle bearing assembly on inner face of cylinder. Ensure notched inner race is facing outward, as shown in the Replacing Needle Bearing Assembly image.