GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 889737  Size: SH
  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle in General Information.
  2. Clean away any debris that may be present around the evaporative emission (EVAP) canister vent filter cover.
  3. Carefully release the canister filter cover rear retaining tabs.
  4. Carefully release the canister filter cover forward retaining tabs and remove the cover from the EVAP canister.

  5. Object Number: 889738  Size: SH
  6. Remove the filter from the canister and discard the filter.
  7. Remove the seal from the filter cover and discard the seal.
  8. Clean the inside of the EVAP canister filter housing with a clean shop towel.

Installation Procedure


    Object Number: 889738  Size: SH
  1. Install a NEW seal to the filter cover. Ensure that the seal is properly seated to the cover.
  2. Install a NEW filter to the canister filter housing.

  3. Object Number: 889737  Size: SH
  4. Install the filter cover to the EVAP canister.
  5. Lower the vehicle.