Transmission Position Sensor/Switch: Service and Repair
4R70E/4R75E Automatic TransmissionDigital Transmission Range (TR) Sensor
Special Tools:
Removal
NOTE: Manual shift lever must be in the NEUTRAL position.
1. With the vehicle in NEUTRAL, position it on a hoist.
2. CAUTION: Do not pry on the swivel tube to disconnect the transmission shift linkage.
Disconnect the manual control lever shift control cable.
3. Disconnect the digital TR electrical connector.
4. CAUTION: Discard the outer manual control lever shaft nut. Do not reuse. The old nut will not retain the torque specification.
Remove the manual control lever.
1 Remove and discard the manual control nut.
2 Remove the manual control lever.
5. Remove the digital TR sensor bolts and the digital TR sensor.
Installation
1. Install the digital TR sensor and loosely install the bolts.
2. Using the special tool, align the digital TR sensor slots. The tool is designed to fit snug.
3. CAUTION: Tightening one screw before tightening the other may cause the sensor to bind or become damaged.
Tighten the digital TR sensor bolts.
^ Tighten to 9 Nm (80 inch lbs.).
4. Install the manual control lever.
1 Position the manual control lever.
2 Install a new manual control lever nut.
^ Tighten to 33 Nm (24 ft. lbs.).
5. Connect the digital TR sensor electrical connector.
6. Connect the shift cable end to the manual lever with the lever in the (D) position.