GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 2016516  Size: SH
  1. Disconnect the vacuum switching valve connector (3).
  2. Disconnect the wire harness clamp.
  3. Disconnect the 2 purge line hoses (1, 2) from the vacuum switching valve.
  4. Remove the vacuum switching valve.

Installation Procedure


    Object Number: 2016516  Size: SH
  1. Install the vacuum switching valve onto the air cleaner hose.
  2. Connect the 2 purge line hoses (1, 2) to the vacuum switching valve.
  3. Connect the wire harness clamp.
  4. Connect the vacuum switching valve connector (3).