GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1889266  Size: SH
  1. Remove the engine mount bracket. Refer to Engine Mount Bracket Replacement - Right Side .
  2. Disconnect the engine wiring harness electrical connector (4) from the bank 2 exhaust camshaft position (CMP) actuator solenoid valve (5).

  3. Object Number: 1285231  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 for damage and replace as necessary.

Installation Procedure


    Object Number: 1285231  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. Notice: Refer to Fastener Notice in the Preface section.

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


    Object Number: 1889266  Size: SH
  6. Connect the engine wiring harness electrical connector (4) to the bank 2 exhaust CMP actuator solenoid valve (5).
  7. Install the engine mount bracket. Refer to Engine Mount Bracket Replacement - Right Side .

Removal Procedure


    Object Number: 1889266  Size: SH
  1. Remove the engine mount bracket. Refer to Engine Mount Bracket Replacement - Right Side.
  2. Disconnect the engine wiring harness electrical connector (4) from the bank 2 exhaust camshaft position (CMP) actuator solenoid valve (5).

  3. Object Number: 1285231  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 for damage and replace as necessary.

Installation Procedure


    Object Number: 1285231  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. Tighten the bolt to 10 N·m (89 lb in).

  5. Object Number: 1889266  Size: SH
  6. Connect the engine wiring harness electrical connector (4) to the bank 2 exhaust CMP actuator solenoid valve (5).
  7. Install the engine mount bracket. Refer to Engine Mount Bracket Replacement - Right Side.