Lincoln Navigator: Automatic Transmission - 10-Speed Automatic Transmission – 10R80 / Transmission Range (TR) Sensor. Removal and Installation

Special Tool(s) / General Equipment

	307-783 Installer, Roll Pin
Rubber Mallet
Punch

Removal

1. Remove the main control valve body.
   Refer to: Main Control Valve Body (307-01 Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Removal and Installation).
   

1. Disconnect the TR sensor electrical connector and position the transmission wiring harness aside.
   

1. Remove and discard the park override lever bolt (7P219).
   

1. Using a punch, remove and discard the manual shaft-to-TR sensor roll pin (7G100).
   Use the General Equipment: Punch

1. Loosen the detent spring bolt and the detent spring enough to remove the tension from the TR sensor.
   

1. 
   Release the tension from the park return spring.
   
   • Slide the end of the park return spring off the transmission case.
     

1. Remove the manual shaft and park override lever from the TR sensor.
   

1. 
   Remove the TR sensor (7H557).
   
   1. Rotate the TR sensor.
      
   2. Disconnect the park pawl actuator rod and remove the TR sensor.
      

Installation

1. 
   Install the TR sensor (7H557).
   
   1. Connect the park pawl actuator rod to the TR sensor.
      
   2. Rotate the TR sensor.
      
   3. Position the park pawl actuator rod into the park pawl sleeve.
      
   4. Align the TR sensor to the detent spring.
      

1. Slide the manual shaft and park override lever into the TR sensor.
   

1. 
   Using the dimpled end of the special tool, install the new manual shaft-to-TR sensor roll pin flush with the shaft.
   
   1. New roll pin
      
   2. Dimpled end of special tool
      Use Special Service Tool: 307-783  Installer, Roll Pin.
      Use the General Equipment: Rubber Mallet

1. 1. Align the detent spring in the center of the TR sensor.
      
   2. Torque: 97 lb.in (11 Nm)

1. Slide the end of the park return spring onto the transmission case.
   

1. Install a new park override lever bolt.
   Torque: 177 lb.in (20 Nm)

1. Connect the TR sensor electrical connector.
   

1. Install the main control valve body.
   Refer to: Main Control Valve Body (307-01 Automatic Transmission - 10-Speed Automatic Transmission – 10R80, Removal and Installation).