GM Service Manual Online
For 1990-2009 cars only

Speed Sensor Replacement Front Speed Sensor Replacement

Removal Procedure


    Object Number: 163707  Size: SH
  1. Remove the electrical connector from the speed sensor.
  2. Remove the front speed sensor from the transfer case.

Installation Procedure


    Object Number: 163707  Size: SH

    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.

  1. Install the front speed sensor into the transfer case.
  2. Tighten
    Tighten the front speed sensor to 31N·m (23  lb ft).

  3. Install the electrical connector to the speed sensor.

Speed Sensor Replacement Rear Speed Sensor Replacement

Removal Procedure


    Object Number: 163714  Size: SH
  1. Remove the two electrical connectors from the two rear speed sensors.
  2. Remove the two rear speed sensors from the transfer case.

Installation Procedure


    Object Number: 163714  Size: SH

    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.

  1. Install the two rear speed sensors to the transfer case.
  2. Tighten
    Tighten the rear speed sensors to 31N·m (23  lb ft).

  3. Install the two electrical connectors to the two rear speed sensors.