Transmission Position Sensor/Switch: Service and Repair

42RE - Automatic Transmission
REMOVAL
1. Raise vehicle and position drain pan under the transmission range sensor (TRS).
2. Move the transmission manual lever to the manual LOW position. The manual LOW position is with the manual lever in the forward-most detent.
3. Disengage the wiring connector from the TRS.
4. Remove the two screws holding the TRS to the TRS mounting bracket.







5. Remove the TRS (Fig. 253) from the TRS mounting bracket by pulling it straight out of the bracket.







6. Loosen the TRS mounting bracket in the transmission case using Adapter 8581 (Fig. 254).







7. Remove the TRS mounting bracket (Fig. 255) from the transmission case.



INSTALLATION
1. Move the transmission manual shaft lever to the manual LOW position.







2. Install the TRS mounting bracket into the transmission case. Using Adapter 8581 (Fig. 256), tighten the mounting bracket to 34 Nm (300 inch lbs.).







3. Install the TRS (Fig. 257) into the mounting bracket with the wiring connector facing the front of the transmission.
4. Install the two screws to hold the TRS to the mounting bracket. Tighten the screws to 3.4 Nm (30 inch lbs.).







5. Verify proper sensor operation (Fig. 258).
6. Move the transmission manual shaft lever to the PARK position.
7. Connect TRS wiring connector to the TRS and lower vehicle.
8. Refill the transmission fluid to the correct level.