Main Control Valve Body - Removal/Installation

NOTE: If a transmission has been disassembled to replace worn or damaged parts and the valves in the main control valve body stick repeatedly from foreign material, the torque converter must be removed and cleaned by using a mechanically agitated cleaner, such as Rotunda Torque Converter/Fluid Cooler Cleaner 014-00028 or equivalent.


SPECIAL SERVICE TOOL(S) REQUIRED
Description Tool Number
Valve Body Guide Pin (.235) T95L-70010-B
Valve Body Guide Pin (.248) T95L-70010-C


Removal

1. Remove fluid pan.






2. Carefully lift up on the wire loom guide and protector. Disengage the retaining pins from the solenoid clamps.






3. Disconnect the six solenoid connectors from the solenoids by carefully pulling downward and wiggling side to side.






4. Use a 10mm socket to remove the M6 x 30mm manual valve detent spring screw. Remove the manual valve detent spring.






5. Use a 10mm socket to remove the four M6 x 20mm reverse servo cover screws. Remove the reverse servo cover, reverse servo piston and rod and reverse servo.






6. CAUTION: Support main control valve body.

Use a 10mm socket to remove the sixteen M6 x 40mm, four M6 x 45mm, two M6 x 35mm and one M6 x 30mm main control valve body screws.






7. Remove the main control assembly.






8. Install the guide pins into the case in the positions shown.

9. Install new separator to case gasket.






10. NOTE: Make sure main control assembly gasket is properly aligned.

Install the main control assembly on the case. Align the manual valve with the manual valve inner lever pin as shown.

11. Install four M6 x 45mm screws in locations A. Finger tighten.

12. Install two M6 x 35mm main control assembly-to-case screws in locations B. Finger tighten.

13. Install one M6 x 30mm main control assembly-to-case screws in location C. Finger tighten.

14. Remove both valve body guide pins T95L-70010-B and T95L-70010-C.

15. Install sixteen M6 x 40mm main control assembly-to-case screws in locations D. Finger tighten.

Main Control Assembly Screws and Locations:

Tightening Sequence:

16. Tighten all main control assembly-to-case screws to 8-11 Nm (71-97 lb-in) in sequence shown, using a 10mm socket.

Refer to the tightening sequence (1R, 2R, 3R, 4R) for reverse servo cover installation also.






17. Install the manual valve detent spring. Install the manual valve detent spring screw and tighten to 8-11 Nm (71-97 lb-in).

18. Install the reverse servo assembly into the case.






19. Install the reverse servo cover, new gasket and the four reverse servo cover-to-case screws. Tighten the reverse servo cover-to-case screws as shown to 9-13 Nm (80-115 lb-in). Refer to the tightening sequence diagram.






20. Carefully press down to install the solenoid connectors on the solenoid.






21. CAUTION: Excessive pressure may break the locating pins.

Install the wiring loom protector and guide. Align the pins in the holes of the solenoid clamps and gently push down.

22. Install filter, gasket and fluid pan.

23. Fill the transmission to the proper level. Refer to the procedure in this section.