GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 860433  Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Remove the electrical connector from the speed sensor.

  3. Object Number: 823198  Size: SH
  4. Remove the speed sensor and the O-ring from the transfer case.

Installation Procedure

    Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 823198  Size: SH
  1. Install the new speed sensor into the transfer case with a new O-ring seal. Tighten the right rear speed sensor to 17 N·m (13 lb ft).

  2. Object Number: 860433  Size: SH
  3. Install the electrical connector to the speed sensor.
  4. Lower the vehicle. Refer to Lifting and Jacking the Vehicle.