GM Service Manual Online
For 1990-2009 cars only

Primary Camshaft Drive Chain Guide Installation Upper


    Object Number: 520861  Size: SH
  1. Install the upper primary timing chain guides.
  2. 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.

  3. Install the upper primary timing chain guides bolts.
  4. Tighten
    Tighten the upper primary timing chain guides bolts to 30 N·m (22 lb ft).

Primary Camshaft Drive Chain Guide Installation Lower


    Object Number: 520864  Size: SH
  1. Install the lower primary timing chain guide.
  2. 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.

  3. Install the lower primary timing chain guide bolts.
  4. Tighten
    Tighten the lower primary timing chain guide bolts to 30 N·m (22 lb ft).