GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the engine cover. Refer to Engine Cover Replacement.

  2. Object Number: 2016602  Size: SH
  3. Disconnect the camshaft timing oil control valve assembly connector (1).
  4. Remove the bolt (2) and remove the camshaft timing oil control valve assembly.

  5. Object Number: 2016605  Size: SH
  6. Remove the O-ring (1) from the camshaft timing oil control valve assembly.

Installation Procedure


    Object Number: 2016605  Size: SH

    Note: Do not twist the O-ring.

  1. Apply a light coat of engine oil to a new O-ring (1) and install it onto the camshaft timing oil control valve assembly.
  2. Caution: Refer to Fastener Caution in the Preface section.


    Object Number: 2016602  Size: SH
  3. Install the camshaft timing oil control valve assembly and wire harness bracket with the bolt (2) and tighten to 10 N·m (7 lb ft).
  4. Connect the camshaft timing oil control valve assembly connector (1).

  5. Object Number: 2016597  Size: SH
  6. Install the wire harness bracket with the bolt (1) and tighten to 8.4 N·m (74 lb in).
  7. Inspect for oil leaks.
  8. Install the engine cover. Refer to Engine Cover Replacement.