GM Service Manual Online
For 1990-2009 cars only

Removal Procedure

  1. Remove the evaporative emission (EVAP) canister. Refer to Evaporative Emission Canister Replacement .
  2. Clean away any debris that may be present around the EVAP canister vent valve.

  3. Object Number: 827315  Size: SH
  4. Twist the EVAP canister vent valve counterclockwise.
  5. Pull the EVAP canister vent valve from the EVAP canister.

Installation Procedure


    Object Number: 827315  Size: SH
  1. Insert the EVAP canister vent valve into the EVAP canister.
  2. Twist the EVAP canister vent valve clockwise into the locked position.
  3. Install the EVAP canister. Refer to Evaporative Emission Canister Replacement .