GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2004 🢒 Optra 🢒 Transmission/Transaxle 🢒 Manual Transmission - D20 🢒 Speedometer Driven Gear Replacement

Removal Procedure

    Object Number: 1255762 Size: SH
  1. Disconnect the speedometer speed sensor electrical connector.

    2. Object Number: 1248175 Size: SH
  2. Remove the speedometer housing retaining bolt.

    3. Object Number: 1255769 Size: SH
  3. Remove the speedometer-driven gear and the speedometer housing.

Installation Procedure

    Object Number: 1255769 Size: SH
  1. Coat the O-ring with petroleum jelly.
  2. Install the speedometer-driven gear and the speedometer housing.

    3. Notice: Refer to Fastener Notice in the Preface section.


    Object Number: 1248175 Size: SH
  3. Install the speedometer housing retaining bolt.

    4. Tighten
    Tighten the speedometer housing retaining bolt to 5 N·m (44 lb in).


    Object Number: 1255762 Size: SH
  4. Connect the speedometer speed sensor electrical connector.