GM Service Manual Online
For 1990-2009 cars only

Cleaning Procedure

  1. Clean the camshaft position actuator housing components, except the camshaft position actuator magnets, with solvent.
  2. Caution: Refer to Safety Glasses Caution in the Preface section.

  3. Dry the camshaft position actuator housing components with compressed air.

Inspection Procedure


    Object Number: 1040927  Size: SH
  1. Inspect the camshaft position actuator housing for the following conditions:
  2. • The camshaft position actuator housing for damaged threads (1)
    • The camshaft position actuator housing sealing surface (2) for damage
    • The camshaft position sensor mounting bores (3) for damage

    Object Number: 1254507  Size: SH
  3. Inspect the camshaft position actuator magnets for the following conditions:
  4. • The camshaft position actuator magnet wiring connector (1) for damage
    • The camshaft position actuator magnet sealing surface (2) for damage
  5. Repair or replace the camshaft position actuator housing and/or components as necessary.