GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1839729  Size: SH
  1. Remove the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.
  2. Disconnect the engine wiring harness electrical connector (5) from the bank 1 exhaust camshaft position (CMP) actuator solenoid valve.

  3. Object Number: 1285202  Size: SH
  4. Remove the CMP actuator solenoid valve bolt.
  5. Remove the CMP actuator solenoid valve.
  6. Inspect the CMP actuator solenoid valve seal and replace as necessary.

Installation Procedure


    Object Number: 1285202  Size: SH
  1. Inspect the CMP actuator solenoid valve seal for damage. Replace the seal if necessary.
  2. Install the CMP actuator solenoid valve.
  3. Caution: Refer to Fastener Caution in the Preface section.

  4. Install the CMP actuator solenoid valve bolt and tighten to 10 N·m (89 lb in).

  5. Object Number: 1839729  Size: SH
  6. Connect the engine wiring harness electrical connector (5) to the bank 1 exhaust CMP actuator solenoid valve.
  7. Install the air cleaner assembly. Refer to Air Cleaner Assembly Replacement.