GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

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


    Object Number: 1245830  Size: SH
  1. Disconnect the negative battery cable.
  2. Disconnect the input shaft speed (ISS) sensor electrical connector.

  3. Object Number: 1245829  Size: SH
  4. Remove the ISS sensor retaining bolt.
  5. Remove the ISS sensor from the transaxle.

Installation Procedure


    Object Number: 1245829  Size: SH

    Important: Lubricate the O-ring with ISU DEXRON III.

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

  3. Install the ISS sensor and retaining bolt into the transaxle case and tighten to 5.4 N·m (48 lb in).

  4. Object Number: 1245834  Size: SH
  5. Connect the ISS sensor electrical connector.
  6. Connect the negative battery cable.