Shift Solenoid: Service and Repair

CONTROL AND SHIFT SOLENOIDS REPLACEMENT

REMOVAL PROCEDURE




1. Remove the transmission oil pan and filter.

IMPORTANT: Do not remove the valve body for the following procedures. Removal of the 1-2 accumulator is necessary only if servicing the pressure control solenoid.

2. Remove the 1-2 accumulator if necessary.
3. Disconnect the internal wiring harness electrical connectors from the following components:
- Transmission fluid pressure switch (1)
- 1-2 shift control solenoid (2)
- 2-3 shift control solenoid (3)
- Pressure control solenoid (4)
- TCC PWM solenoid (5)
- 3-2 control solenoid (6)




4. Remove the pressure control solenoid retainer
5. Remove the pressure control solenoid




6. Remove the 1-2 and 2-3 shift solenoid retainers.
7. Remove the 1-2 and 2-3 shift solenoids.




8. Remove the 3-2 control solenoid retainer.
9. Remove the 3-2 control solenoid.

INSTALLATION PROCEDURE




1. Install the 3-2 control solenoid.
2. Install the 3-2 control solenoid retainer.




3. Install the 1-2 and 2-3 shift solenoids.
4. Install the 1-2 and 2 3 shift solenoid retainers.




5. Install the pressure control solenoid. Ensure that the electrical tabs are facing outboard.

NOTE: Refer to Fastener Notice in Service Precautions.

6. Install the pressure control solenoid retainer and retaining bolt.

Tighten
Tighten the pressure control solenoid retaining bolt to 11 N-m (97 lb in).




7. Connect the internal wiring harness electrical connectors to the following components:
- Transmission fluid pressure switch (1)
- 1-2 shift control solenoid (2)
- 2-3 shift control solenoid (3)
- Pressure control solenoid (4)
- TCC PWM solenoid (5)
- 3-2 control solenoid (6)

8. Install the 1-2 accumulator.
9. Install the transmission oil pan and filter.
10. Fill the transmission to the proper level with DEXRON(R) III transmission fluid. Refer to Transmission Fluid Checking Procedure.