Tools Required
|     •  | J 25024-A 
 Servo Piston/Clutch Spring Compressor | 
 
|     •  | J 45186 
 Forward and Direct Clutch Spring Compressor | 
 
Important: Soak the new clutch discs in automatic transmission fluid for at least 2 hours before installation.
- Apply automatic transmission fluid to the new piston seals.
 
- Install a new piston inner seal (581) and a new piston outer seal (583) on to the 4-5 clutch piston (582).
 
- Apply automatic transmission fluid to the inner and outer seal surfaces of the 4-5 clutch drum assembly (584).
 
- Install the 4-5 clutch piston assembly (582) into the 4-5 clutch drum assembly (584).
 
Important: The transmission or the service parts may be either a 1st design or 2nd design 4-5 clutch piston return spring assembly (580). The 1st design (1) will have 18 springs and the 2nd design (2)
will have 14 springs. The parts are completely interchangeable.
- Install the 4-5 clutch piston return spring assembly (580) on to the 4-5 clutch piston assembly, indexing the springs to the holes in the 4-5 clutch piston assembly.
 
Important: Make sure that the end gap of the retaining ring is not aligned with the spring retainer claw.
- Install the 4-5 clutch piston return spring retaining ring (579).
 
| 6.1.  | Place the 
J 25024-A 
  (3) in a vise with the forcing screw on the bottom and backed out. | 
 
| 6.2.  | Place the 
J 45186 
  (1) on the 4-5 clutch piston return spring assembly (580). | 
 
| 6.3.  | Place the J 21420-2 (4) from the 
J 23327 
 on top of the forcing screw of 
J 25024-A 
  (3). | 
 
| 6.4.  | Place the clutch housing with the 
J 45186 
  (1) on the J 21420-2 (4) and under the arms of 
J 25024-A 
  (3). | 
 
| 6.5.  | With the forcing screw, compress the clutch spring to allow the installation of the retaining ring. | 
 
| 6.6.  | Use 
J 28585 
  (2) or snap ring pliers to install the retaining ring (579). | 
 
Important: Make sure that you have the correct number of plates, and that they are in the correct order.
- Install the 4 fiber plates (577) and the 4 steel plates (578) into the 4-5 clutch drum assembly (584).
 
- Install the 4-5 clutch backing plate (576) into the 4-5 clutch drum assembly (584).
 
- Using 
J 28585 
 install the 4-5 clutch backing plate retaining ring (575) into the groove of the 4-5 clutch drum assembly (584). Make sure that the end gap of the retaining ring is not aligned with one of the cutouts in the drum.