GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1686669  Size: SH
  1. Disconnect the vacuum hoses from the bypass valve actuator.
  2. Remove the bypass valve actuator bolts.
  3. Remove the bypass valve actuator.

Installation Procedure


    Object Number: 1686669  Size: SH
  1. Install the bypass valve actuator.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the bypass valve actuator bolts.
  4. Tighten
    Tighten the bolts to 10 N·m (89 lb in).

  5. Connect the vacuum hoses to the bypass valve actuator.