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 GM P/N 12346004 (Canadian P/N 10953480) to the camshaft position actuator valve bolt threads.
  4. Caution: Refer to Fastener Caution in the Preface section.

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