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. Disconnect the wiring harness from the output speed sensor.

  3. Object Number: 1230002  Size: SH

    Important: Do not damage the output speed sensor or transaxle case.

  4. Remove the output speed sensor bolt/screw.
  5. Remove the output shaft speed sensor and the O-ring.

Installation Procedure


    Object Number: 1230002  Size: SH
  1. Apply automatic transmission fluid to the new output speed sensor O-ring seal.
  2. Install the new output speed sensor O-ring seal onto the output speed sensor.
  3. Install the output speed sensor into the transmission case assembly.
  4. Notice: Refer to Fastener Notice in the Preface section.

  5. Install the output speed sensor bolt.
  6. Tighten
    Tighten the bolt to 12 N·m (106 lb in).

  7. Connect the wiring harness to the output speed sensor.
  8. Lower the vehicle.