GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Pontiac 🢒 2004 🢒 Grand Am 🢒 Transmission/Transaxle 🢒 Manual Transmission - Getrag 5 Speed 🢒 Vehicle Speed Sensor Replacement

Removal Procedure

    Object Number: 623138 Size: SH
  1. Disconnect the vehicle speed sensor (VSS) electrical connector.

    2. Object Number: 623141 Size: SH
  2. Remove the retainer bolt.

    3. Object Number: 12407 Size: SH
  3. Remove the retainer.
  4. Pull up on the VSS in order to remove the VSS from the transaxle.
  5. Remove the O-ring.

Installation Procedure
  1. Lubricate a new O-ring with DEXRON III transmission fluid.
  2. Install the new O-ring.

    3. Object Number: 12407 Size: SH
  3. Install the vehicle speed sensor (VSS) assembly.
  4. Install the VSS retainer.

    5. Notice: Use the correct fastener in the correct location. Replacement fasteners must be the correct part number for that application. Fasteners requiring replacement or fasteners requiring the use of thread locking compound or sealant are identified in the service procedure. Do not use paints, lubricants, or corrosion inhibitors on fasteners or fastener joint surfaces unless specified. These coatings affect fastener torque and joint clamping force and may damage the fastener. Use the correct tightening sequence and specifications when installing fasteners in order to avoid damage to parts and systems.


    Object Number: 623141 Size: SH
  5. Install the VSS retainer bolt.

    6. Tighten
    Tighten the bolt to 12 N·m (8 lb ift).


    Object Number: 12406 Size: SH
  6. Connect the VSS connector to the VSS.
  7. Lower the vehicle.