1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
2. Place a drain pan under the transmission oil pan.
3. Remove all of the oil pan bolts except for the rear bolts.
4. Loosen the rear oil pan bolts approximately 4 turns.
5. Lightly pry down the front of the oil pan and allow to drain.
6. Remove the remaining oil pan bolts.
7. Remove the oil pan and gasket.



8. Remove the transmission fluid pressure (TFP) manual valve position switch bolts and the TFP valve position switch).

Important: The five o-rings should remain attached to the TFP valve position switch (2).




9. Remove the control valve assembly bolts (4).
10. Remove the fluid level indicator stop bracket.
11. Remove the lube oil pipe retainer (7) and the clamp.
12. Remove the lube oil pipe (5).
13. Remove the manual shaft detent spring assembly (3).
14. Remove the control valve assembly (2) which includes the following:

•	The accumulator housing assembly (1)

•	The control valve assembly to the spacer plate gasket

•	The spacer plate

•	The accumulator gasket




15. Remove the manual valve (1) from the control valve body to prevent any damage.
16. Inspect the manual valve for nicks and burrs.



17. Remove the spacer plate to case gasket (2) from the case. The gasket may stick to the spacer plate.
18. Remove the PWM screen (1) from the case passages.
19. Inspect the PWM screen for debris and damage.

Important: Do not use a magnet in order to remove the checkballs. Using a magnet to remove the checkballs may magnetize the checkballs, causing metal particles to stick.

20. Remove the eight checkballs (nine checkballs for some models).

Tools Required

1. Install the 8 checkballs (9 Checkballs for some models) into the control valve body.

•	The checkball marked as number 2, is used on RCP, RDP, ZJP and ZLP models only.

•	To hold the checkballs in place, use tool J 36850 .

2. Install the PWM screen into the control valve body.



3. Install the manual valve (1) into the control valve body.



4. To aid in alignment and assembly, install tool J 25025 .
5. Install the control valve body gasket (6).
6. Install the control valve body assembly (5). Attach the manual valve to the detent lever while installing the control valve body assembly.



7. Install the transmission fluid pressure manual valve position switch (2).
8. Install the transmission fluid pressure manual valve position switch bolts (1) finger tight.



9. Tighten the bolts in sequence (1, 2, 3, 4, 5, 6) to 11 N·m (97 lb in).
10. Remove J 25025 .



11. Install the manual shaft detent roller and spring assembly (3) and bolts (2 and 4).
12. Install the two wiring harness clips (1) and bolts (2).
13. Install the wiring harness clip (1) and bolts (2).
14. Install the lube oil pipe (5) with the short end into the control valve body.
15. Install the lube oil pipe retainer (7) and the bolt (6).

Tighten
Tighten the bolts sequentially to 11 N·m (97 lb in).




16. Install the remaining control valve body bolts.
17. Install the oil pan and gasket using all seventeen bolts.

Tighten
Tighten the oil pan bolts to 24 N·m (18 lb ft).

18. Install Dexron® III Automatic Transmission Fluid. Refer to Approximate Fluid Capacities in Maintenance and Lubrication.
19. Lower the vehicle