42. 4-5 Clutch Drum Assembly Disassemble
4-5 Clutch Drum Assembly Disassemble^ Tools Required
- J 23327 Clutch Spring Compressor
- J 25024-A Servo Piston/Clutch Spring Compressor
- J 28585 Snap Ring Remover
- J 45186 Forward and Direct Clutch Spring Compressor
1. Using J 28585 remove the 4-5 clutch backing plate retaining ring (575) from the 4-5 clutch drum assembly (584).
2. Remove the following components from the 4-5 clutch drum assembly (584):
^ The 4-5 clutch backing plate (576)
^ The 4 fiber plates (577)
^ The 4 steel plates (578)
Important: Do not damage the 4-5 clutch sun gear.
3. Using J 21420-2 (4), which is part of J 23327, place under the 4-5 clutch drum assembly. Place the J45186 (1) on the 4-5 clutch piston return spring assembly (580) and compress the springs using J25024-A (3).
4. Using J 28585 (2) remove the 4-5 clutch piston return spring retaining ring (579).
5. Remove the 4-5 clutch piston return spring assembly (580).
Caution: Wear safety glasses when using compressed air in order to prevent eye injury.
6. Using the case as a holding fixture, install the front differential transfer drive gear assembly (14) into the output gear bore.
7. Install the 4-5 clutch assembly (15) onto the front differential transfer drive gear assembly (14), with the clutch piston facing up, so that the fluid passages are around the sealing rings.
8. Apply air pressure to the fluid passage (1) in the end of the front differential transfer drive gear assembly shaft and remove the 4-5 clutch piston assembly (582).
9. Remove the 4-5 clutch drum assembly and the front differential transfer drive gear assembly from the case.
10. Remove the piston inner seal (581) and the piston outer seal (583) from the 4-5 clutch piston (582).