GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 21172  Size: SH
  1. Disconnect the electrical connector from the solenoid (2).
  2. Disconnect the vacuum harness (3) from the solenoid (2).
  3. Remove the Solenoid (2).

Installation Procedure


    Object Number: 21172  Size: SH
  1. Install the solenoid (2).
  2. Connect the vacuum harness (3) to the solenoid (2).
  3. Connect the electrical connector to the solenoid (2).