5A-258 Automatic Transmission:
4-5 Clutch Drum Assembly Disassemble
Reference: "4-5 Clutch Assembly Removal".
Special tool
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)
3. Remove the 4-5 clutch piston return spring assembly
(580).
a. Place the J 25024-A (3) in a vise with the forcing
screw on the bottom and backed out.
b. Place the J 45186 (1) on the 4-5 clutch piston
return spring assembly (580).
c. Place the J 21420-2 (4) from the J 23327 on top
of the forcing screw of J 25024-A (3).
d. Place the clutch housing with the J 45186 (1) on
the J 21420-2 (4) and under the arms of J
25024-A (3).
e. With the forcing screw, compress the clutch
spring to allow the removal of the retaining ring.
f.
Use J 28585 (2) or snap ring pliers to remove
the retaining ring (579).
4. Remove the 4-5 clutch piston return spring assembly
(580).
WARNING
!
Wear safety glasses when using compressed
air in order to prevent eye injury.
5. Using the case as a holding fixture, install the front
differential transfer drive gear assembly (14) into the
output gear bore.
6. 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.