GM Service Manual Online
For 1990-2009 cars only

    Object Number: 177841  Size: SH
  1. Install the crankshaft timing pulley (1).
  2. Fit the keyway on the pulley to the key on the crankshaft timing sprocket.
  3. 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. Secure the crankshaft timing sprocket with the crankshaft timing sprocket bolt.
  5. Tighten
    Tighten the crankshaft timing sprocket bolt to 110 N·m (81 lb ft).