GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Examine the belt length scale on the drive belt tensioner for proper installed length. If the belt length is not correct, install a new drive belt.
  2. Disconnect the negative battery cable. Refer to

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

    in General Information.

  3. Object Number: 11483  Size: SH
  4. Lift the drive belt tensioner pulley upward (clockwise). Use a socket and a handle on the tensioner pulley bolt.
  5. Remove the drive belt.
  6. Clean the drive belt surfaces.

Installation Procedure


    Object Number: 11483  Size: SH
  1. Lift the drive belt tensioner pulley upward.
  2. Install drive belt under tensioner pulley.
  3. • Use a socket and a handle on the tensioner pulley bolt.
    • Make sure that you align the drive belt into the proper grooves on the drive belt pulleys.
  4. Connect the negative battery cable.
  5. Tighten
    Tighten the negative battery cable bolt to 15 N·m (11 lb ft).

    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.