GM Service Manual Online
For 1990-2009 cars only

Removal Procedure


    Object Number: 1885584  Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle.
  2. Disconnect the evaporative emission (EVAP) canister line quick connect fitting (2) from the fuel tank fresh air line (3). Refer to Plastic Collar Quick Connect Fitting Service.

  3. Object Number: 1886042  Size: SH
  4. Clean away any debris that may be present around the EVAP canister filter cover.
  5. Using a small flat bladed tool, carefully release the EVAP canister filter cover lower retaining tabs (1).
  6. Lift up the filter cover slightly in order to release the upper retaining tabs.

  7. Object Number: 1886043  Size: SH
  8. Remove the EVAP canister filter cover (3) from the EVAP canister.
  9. Remove and discard the EVAP canister filter (1).
  10. Remove and discard the filter cover seal (2).
  11. Clean the inside of the EVAP canister filter housing with a clean shop towel.

Installation Procedure


    Object Number: 1886043  Size: SH
  1. Install a NEW filter cover seal (2) to the filter cover.
  2. Install a NEW EVAP canister filter (1) to the EVAP canister.
  3. Install the EVAP canister filter cover (3) to the EVAP canister.

  4. Object Number: 1886042  Size: SH
  5. Ensure that the EVAP canister filter cover upper and lower retaining tabs (1) are fully engaged with the EVAP canister tabs.

  6. Object Number: 1885584  Size: SH
  7. Connect the EVAP canister line quick connect fitting (2) to the fuel tank fresh air line (3). Refer to Plastic Collar Quick Connect Fitting Service.
  8. Lower the vehicle.