4R70W Automatic Transmission

Digital Transmission Range (TR) Sensor





Special Tool(s)

Removal
1. With the vehicle in NEUTRAL, position it on a hoist.





2. Disconnect the digital Transmission Range (TR) sensor electrical connector.





3. CAUTION: Do not pry on the swivel tube to disconnect the transmission shift linkage.

Disconnect the manual lever shift control cable.





4. CAUTION: Discard outer manual control lever shaft nut. Do not reuse. The old nut will not retain torque specification.

Remove the manual control lever.
1 Remove the nut.
2 Remove the lever.





5. Remove the digital TR sensor bolts and the TR sensor.

Installation





1. Install the digital TR sensor and loosely install the bolts.





2. NOTE: The manual lever must be in the NEUTRAL position.

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.

Using the special tool, align the digital TR sensor and tighten the screws in an alternating sequence.





4. Install the manual control lever.
1 Position the manual control lever.
2 Install a new manual lever shaft outer nut.





5. With the manual lever in overdrive connect the shift lever control cable.





6. Install the digital TR sensor electrical connector.