For 1990-2009 cars

### Removal Procedure

1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
2. Disconnect the electrical connector (3) from the transfer case speed sensor (2).
3. Remove the transfer case speed sensor (2) and O-ring seal (1) from the transfer case.
4. Inspect the O-ring seal (1) for wear.

Replace if necessary.

### Installation Procedure

1. Lightly lubricate the O-ring seal (1).
2. Position the O-ring seal (1) to the speed sensor (2), if removed.

Notice: Refer to Component Fastener Tightening Notice in the Preface section.

3. Install the speed sensor (2) into the transfer case.

Tighten
Tighten the speed sensor to 17 N·m (13 lb ft).

4. Connect the electrical connector (3) to the transfer case speed sensor (2).
5. Lower the vehicle.