GM Service Manual Online
For 1990-2009 cars only

    Object Number: 637605  Size: SH
  1. Apply clean engine oil to the camshaft position actuator valve hole.
  2. Install the camshaft position actuator valve.
  3. Add sealant to the camshaft position actuator valve bolt threads.
  4. 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.

  5. Install the camshaft position actuator valve bolt.
  6. Tighten
    Tighten the camshaft position actuator valve bolt to 10 N·m (89 lb in).