GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

Important: This procedure is for 2-wheel drive (2WD) vehicles only. If the vehicle is equipped with 4-wheel drive (4WD), the output speed sensor is located on the transfer case.

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

  2. Object Number: 1709733  Size: SH
  3. Disconnect the output speed sensor (1) electrical connector.

  4. Object Number: 686957  Size: SH
  5. Remove the output speed sensor bolt.
  6. Remove the output speed sensor (2).
  7. Inspect the output speed sensor (2) for any evidence of damage.

Installation Procedure


    Object Number: 686957  Size: SH
  1. Lubricate the output speed sensor seal with automatic transmission fluid.
  2. Install the output speed sensor (2).
  3. Notice: Refer to Fastener Notice in the Preface section.

  4. Install the output speed sensor bolt.
  5. Tighten
    Tighten the bolt to 11 N·m (96 lb in).


    Object Number: 1709733  Size: SH
  6. Connect the output speed sensor (1) electrical connector.
  7. Lower the vehicle.