GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 GMC_Truck 🢒 2001 🢒 GMC C Sierra - 2WD 🢒 Engine 🢒 Engine Controls - 4.3L 🢒 Transfer Case Speed Sensor Replacement

Removal Procedure

    Object Number: 662044 Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Remove the electrical connector from the speed sensor.

    3. Object Number: 662047 Size: SH
  3. Remove the speed sensor from the transfer case.

Installation Procedure

    Object Number: 662047 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 right rear speed sensor into the transfer case.

    2. Tighten
    Tighten the right rear speed sensor to 31 N·m (23 lb ft).


    Object Number: 662044 Size: SH
  2. Install the electrical connector to the speed sensor.
  3. Lower the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.