GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2007 🢒 Avalanche - 2WD 🢒 Diagnostic Navigation 🢒 Vehicle Diagnostic Information 🢒 Vehicle Speed Sensor Replacement

Removal Procedure

    Object Number: 858994 Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the vehicle speed sensor (VSS) electrical connector (2).

    3. Object Number: 481937 Size: SH
  3. Remove the VSS bolt (2).
  4. Remove the VSS (1).
  5. Remove the O-ring seal (3).

Installation Procedure

    Object Number: 481937 Size: SH
  1. Install the O-ring seal (3) onto the VSS (1).
  2. Coat the O-ring seal (3) with a thin film of transmission fluid.
  3. Install the VSS (1).

    4. 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.

  4. Install the VSS bolt (2).

    5. Tighten
    Tighten the bolt to 11 N·m (97 lb in).


    Object Number: 858994 Size: SH
  5. Connect the VSS electrical connector (2).
  6. Lower the vehicle.
  7. Refill the fluid as required.