GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Refer to Battery Disconnect Caution in the Preface section.


    Object Number: 1245833  Size: SH
  1. Disconnect the negative battery cable.
  2. Disconnect the output shaft speed (OSS) sensor electrical connector.

  3. Object Number: 1245832  Size: SH
  4. Remove the OSS sensor retaining bolt.
  5. Remove the OSS sensor from the transaxle.

Installation Procedure


    Object Number: 1245835  Size: SH

    Important: Lubricate the O-ring with T-IV Automatic Transmission Fluid GM P/N 88900925 (Canadian P/N 22689186).

  1. Install a new O-ring on the OSS sensor.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the OSS sensor and retaining bolt into the transaxle.
  4. Tighten
    Tighten the OSS sensor retaining bolt to 7.4 N·m (65 lb in).


    Object Number: 1245833  Size: SH
  5. Connect the OSS sensor electrical connector.
  6. Connect the negative battery cable.