Operation CHARM: Car repair manuals for everyone.

Main Control Valve Body

Main Control Valve Body

Special Tools:





Special Tool(s)

Removal and Installation

CAUTION: Lubricate the fluid filter seals with clean automatic transmission fluid or they may be damaged.

NOTE: Make sure that the fluid filter seals are correctly seated on the filter.

NOTE: When the battery has been disconnected and reconnected, some abnormal drive symptoms can occur while the vehicle relearns its adaptive strategy. The customer needs to be notified that they may experience slightly different upshifts (either soft or firm) and this is a temporary condition and will eventually return to normal operating condition.

NOTE: Clean the area around connector to prevent contamination of the solenoid body connector.

NOTE: The transmission fluid pan gasket is reusable. Clean and inspect for damage. If not damaged, the gasket should be reused.

1. Disconnect the battery ground cable.
2. With the vehicle in NEUTRAL, position it on a hoist.
3. Remove the components in the order indicated in the illustration and table.








4. To install, reverse the removal procedure.
5. Partially fill the transmission.

Item 5: Solenoid Body Harness Electrical Connector Removal Note





1. NOTE: Clean the area around the connector to prevent contamination of the solenoid body connector.

Disconnect the solenoid body harness electrical connector.

Item 6: Transmission Range Sensor Electrical Connector Removal Note





1. Remove and discard the tie strap from the digital TR sensor connector.





2. Slide the rubber boot back to gain access to the connector and disconnect the digital transmission range TR sensor connector.

Item 7: Heated Oxygen Sensor Connector Retainer Removal Note





1. Disconnect the heated oxygen sensor connector and remove the sensor wire retaining clip from the right side of the transmission pan rail.





2. Remove the heated oxygen sensor connector from the front of the transmission pan rail.

Item 24: Main Control Valve Body Installation Note





1. Install the special tools into the transmission case.

Items 21, 22 and 23: Main Control Valve Body Screws Installation Note





1. Using the special tools, install the main control valve body and loosely install the screws.
1 Install the short screw.
2 Install the screw with the larger head.
3 Install the remaining screws.





2. Remove the special tools, and loosely install the screw.





3. Tighten the screws in the sequence shown.

Item 17: Reverse Servo Screws Installation Note





1. Install the reverse servo. Tighten the screws in the sequence shown.

Item 16: Solenoid Body O-Ring Seals Installation Note





1. Install new O-ring seals on the solenoid body connector. Lubricate the O-ring seals with clean automatic transmission fluid.

Items 15,14 and 13: Solenoid Body Screws Installation Note





1. CAUTION: Inspect the transmission case bore to make sure it is free of foreign material and not damaged. If it is damaged, transmission leak may occur.

Install the solenoid body. Tighten the screws in sequence shown.

Item 12: Transmission Fluid Pan Filter Installation Note





1. CAUTION: Lubricate the fluid filter seals with clean automatic transmission fluid or they may be damaged.

NOTE: Make sure that the fluid filter seals are correctly seated on the filter.

Lubricate the seals and install the transmission fluid filter.

Item 9: Transmission Fluid Pan Installation Note





1. Install the transmission fluid pan and gasket and loosely install the screws.

Item 8: Transmission Fluid Pan Screws Installation Note





1. Tighten the screws in a crisscross sequence.

Item 7: Heated Oxygen Sensor Connector Retainer Installation Note





1. Install the heated oxygen sensor connector to the front of the transmission pan rail.





2. Connect the heated oxygen sensor connector and install the sensor wire retaining clip to the right side of the transmission pan rail.

Item 6: Transmission Range Sensor Electrical Connector Installation Note





1. Connect the digital transmission range TR sensor connector and slide the rubber boot back over the connector.





2. Install a new tie strap around the rubber boot connector.

Item 5: Solenoid Body Harness Electrical Connector Installation Note





1. CAUTION: Damage will occur to the solenoid body assembly if the screw is tightened above specification.

NOTE: Always install new O-ring seals on the vehicle harness connector.

NOTE: Clean the area around the connector to prevent contamination of the solenoid body connector.

NOTE: Use petroleum jelly to lubricate the O-ring seals to aid in the installation process.

Install and lubricate new O-ring seals on the transmission connector and connect the connector.