GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1240920  Size: SH
  1. Disconnect the vehicle speed sensor connector.
  2. Remove the bolt and the speedometer driven gear assembly.

  3. Object Number: 1240924  Size: SH

    Caution:  Be careful to prevent personal injury while the exhaust pipe is hot.

  4. Remove the vehicle speed sensor (1) from the speedometer driven gear (2).

Inspection Procedure


    Object Number: 1240925  Size: SH
  1. Remove the O-ring from the speedometer driven gear housing.
  2. Remove the driven gear pin and disconnect the driven gear.
  3. Inspect for a damaged or torn O-ring (2).
  4. Inspect for a worn or damaged tooth of driven gear (3) and pin (1).

Installation Procedure

    Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1240920  Size: SH
  1. Install the speedometer driven gear assembly to the transaxle housing mounting (1).
  2. Tighten
    Tighten the speedometer driven gear assembly bolt to 4-7 N·m (35-62 lb in).

  3. Install the vehicle speed sensor.
  4. Connect the vehicle speed sensor connector.