GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle.

  2. Object Number: 1313605  Size: SH
  3. Disconnect the electrical connector (3) from the transfer case speed sensor (2).

  4. Object Number: 1313609  Size: SH
  5. Remove the transfer case speed sensor (2) and O-ring seal (1) from the transfer case.
  6. Inspect the O-ring seal (1) for wear.
  7. Replace if necessary.

Installation Procedure


    Object Number: 1313609  Size: SH
  1. Lightly lubricate the O-ring seal (1).
  2. Position the O-ring seal (1) to the speed sensor (2), if removed.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the speed sensor (2) into the transfer case. Tighten the speed sensor to 17 N·m (13 lb ft).

  5. Object Number: 1313605  Size: SH
  6. Connect the electrical connector (3) to the transfer case speed sensor (2).
  7. Lower the vehicle.