Band Apply Servo: Service and Repair

2-4 SERVO

TOOLS REQUIRED
J 29714-A Servo Cover Depressor

REMOVAL PROCEDURE




1. Raise the vehicle. Refer to Vehicle Lifting.
2. Remove the exhaust pipe assembly.
3. Remove the heat shield.




4. Install the J29714-A.
5. Tighten the bolt in order to compress the servo cover.




6. Remove the servo cover retaining ring.
7. Remove the J 29714-A.




8. Remove the servo cover and the O-ring seal. If the cover is hung up on the seal, use a pick (2) to pull and stretch the seal (1) out of the groove. Cut and remove the O-ring seal before removing the cover.




9. Remove the 2-4 servo from the transmission.
10. Inspect the 4th apply piston, 2-4 servo converter, 2nd apply piston, and the servo piston inner housing for the following defects.
- Cracks
- Scoring
- Burrs and nicks

INSTALLATION PROCEDURE




1. Install new seals on the servo pistons and the servo cover.
2. Install the 2-4 servo assembly into the transmission.
3. Install the J29714-A.




4. Tighten the bolt in order to compress the servo cover.
5. Install the servo cover retaining ring.
6. Remove the J 29714-A from the oil pan flange.

NOTE: Refer to Fastener Notice in Service Precautions.

7. Install the oil pan bolt.

Tighten
Tighten the oil pan bolt to 11 N-m (97 lb in).




8. Install the heat shield.
9. Install the two bolts securing the transmission heat shield to the transmission.

Tighten
Tighten the bolts to 17 N-m (13 lb ft).

10. Install the exhaust pipe assembly.
11. Lower the vehicle.
12. Fill the transmission to the proper level with DEXRON(R) III transmission fluid. Refer to Transmission Fluid Checking Procedure.