Valve Body: Service and Repair

Removal
1. Drain transmission fluid and remove the transmission fluid pan and filter.

2. CAUTION: Do not pull on the molded lead frame. This may cause damage to the connector ends. Carefully pry up on the locking tabs to disconnect the solenoids. Disconnect the molded lead frame from the solenoids.





Disconnect the molded lead frame from the solenoids.
1. Disconnect the shift solenoid SSA and SSB.
2. Disconnect the Torque Converter Clutch (TCC).
3. Disconnect the Electronic Pressure Control (EPC) solenoid.
4. Disconnect the bulkhead inter-connector.





3. Remove the shift solenoid and the TCC solenoid.
1. Remove the bolts.
2. Remove the shift solenoid and the TCC solenoid.





4. Remove the manual control valve detent lever spring.
1. Remove the bolt.
2. Remove the manual control valve detent lever spring.





5. Remove the 23 valve body to case bolts.





6. Remove the main control valve body and discard the pump outlet screen.

Installation

1. Note: Make sure that the drive pin of the manual valve detent lever assembly engages the manual valve in the proper location prior to installing the bolts.





Position the main control valve body gasket and main control valve body using the two alignment bolts as a guide.

2. Note: The main control valve body bolts will be tightened in later steps.





Loosely install the bolts.

3. Note: The main control valve body bolts will be tightened in later steps.





Loosely install the bolts.





4. Install the manual control valve detent lever spring.
1. Position the manual control valve detent lever spring.
2. Install the bolt.





5. Tighten the main control valve body bolts in the sequence shown.





6. Install the shift solenoid and the TCC solenoid.
1. Install the shift solenoid and the TCC solenoid.
2. Install the bolts.





7. Connect the molded lead frame to the solenoids.
^ Connect the bulkhead inter-connector.
^ Connect the EPC solenoid.
^ Connect the TCC.
^ Connect the shift solenoid SSA and SSB.

8. CAUTION: If installing a new filter, and the grommet remains in the main control bore, carefully use a small screwdriver to remove the grommet. Use care not to damage the main control bore.

Note: If transmission is being repaired for a contamination-related failure, use a new filter and seal.





Replace fluid filter and seal as required.





9. Position the (B) pan magnet into the (A) transmission fluid pan.

10. Note: The pan gasket is reusable. Clean and inspect for damage; if not damaged, the gasket should be reused.





Install the transmission fluid pan.
1. Position the transmission fluid pan gasket.
2. Position the transmission fluid pan.





11. Install the bolts.
12. Fill the transmission with fluid and check for proper operation.
13. Install the filter and pan.