GM Service Manual Online
For 1990-2009 cars only

Evaporative Emission Canister Replacement Maxx

Removal Procedure


    Object Number: 1795288  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Disconnect the fuel tank vent pipe quick connect fitting (1) from the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Disconnect the evaporative emission (EVAP) canister pipe quick connect fitting (2) from the EVAP canister vent solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .

  4. Object Number: 1795283  Size: SH
  5. Remove the EVAP canister purge pipe from the retaining feature (3) built into the fuel tank.
  6. Reposition the fuel tank fuel pump wiring harness from around the EVAP canister.

  7. Object Number: 1798624  Size: SH
  8. Remove the EVAP canister bolt.
  9. Slide up and remove the EVAP canister.

Installation Procedure


    Object Number: 1798624  Size: SH
  1. Position and install the EVAP canister.
  2. Notice: Refer to Fastener Notice in the Preface section.

  3. Install the EVAP canister bolt.
  4. Tighten
    Tighten the bolt 3.5 N·m (31 lb in).


    Object Number: 1795283  Size: SH
  5. Position the fuel tank fuel pump wiring harness around the EVAP canister.
  6. Install the EVAP canister purge pipe to the retaining feature (3) built into the fuel tank.

  7. Object Number: 1795288  Size: SH
  8. Connect the EVAP canister pipe quick connect fitting (2) to the EVAP canister vent solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .
  9. Connect the EVAP canister vent pipe quick connect fitting (1) to the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .
  10. Install the fuel tank. Refer to Fuel Tank Replacement .

Evaporative Emission Canister Replacement Sedan

Removal Procedure


    Object Number: 1790136  Size: SH
  1. Remove the fuel tank. Refer to Fuel Tank Replacement .
  2. Disconnect the evaporative emission (EVAP) canister vent pipe quick connect fitting (2) from the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .
  3. Disconnect the EVAP canister pipe quick connect fitting (3) from the EVAP canister vent solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .

  4. Object Number: 1793112  Size: SH
  5. Disconnect the EVAP canister purge pipe quick connect fitting from the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .
  6. Remove the EVAP canister purge pipe.

  7. Object Number: 1793114  Size: SH
  8. Remove the EVAP canister bolt.
  9. Slide up and remove the EVAP canister.

Installation Procedure


    Object Number: 1793114  Size: SH
  1. Position and install the EVAP canister.
  2. Install the EVAP canister bolt.
  3. Tighten
    Tighten the bolt 3.5 N·m (31 lb in).


    Object Number: 1793112  Size: SH
  4. Install the EVAP canister purge pipe.
  5. Connect the EVAP canister purge pipe quick connect fitting to the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .

  6. Object Number: 1790136  Size: SH
  7. Connect the EVAP canister pipe quick connect fitting (3) to the EVAP canister vent solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .
  8. Connect the EVAP canister vent pipe quick connect fitting (2) to the EVAP canister. Refer to Plastic Collar Quick Connect Fitting Service .
  9. Install the fuel tank. Refer to Fuel Tank Replacement .