GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

    Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

  1. Disconnect the negative battery cable.

  2. Object Number: 416572  Size: SH
  3. Disconnect the solenoid electrical connector.

  4. Object Number: 416573  Size: SH
  5. Disconnect vacuum lines (1) at solenoid.

  6. Object Number: 416575  Size: SH
  7. Remove the solenoid retainer screw.

  8. Object Number: 416576  Size: SH
  9. Remove the solenoid from the air pump.

Installation Procedure


    Object Number: 416576  Size: SH
  1. Install the solenoid on the air pump.

  2. Object Number: 416575  Size: SH
  3. Install the solenoid retaining screw.

  4. Object Number: 416573  Size: SH
  5. Install the vacuum hoses on the solenoid.

  6. Object Number: 416572  Size: SH
  7. Install the solenoid electrical connector.