GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Chevrolet 🢒 2009 🢒 Express - AWD 🢒 Engine 🢒 Engine Controls and Fuel - 4.3L 🢒 Evaporative Emission Canister Vent Solenoid Valve Replacement

Removal Procedure

    Object Number: 1938257 Size: SH
  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Clean the evaporative emission (EVAP) pipe connections and the surrounding areas prior to disconnecting the lines in order to avoid possible contamination of the EVAP system.
  3. Disconnect the EVAP canister purge pipe quick connect fitting (1) from the chassis EVAP pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  4. Remove the fuel tank EVAP pipe from the tank clip and reposition the pipe out of the way.
  5. Disconnect the chassis wiring harness electrical connector from the evaporative emission (EVAP) canister vent solenoid valve .

    6. Object Number: 1947892 Size: SH
  6. Disconnect the EVAP canister vent pipe quick connect fitting (1) from the EVAP canister vent solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .

    7. Object Number: 1947909 Size: SH
  7. Using a flat bladed tool, disengage the EVAP canister vent solenoid valve retainer (1).

    8. Object Number: 1947911 Size: SH
  8. Slide the EVAP canister vent solenoid valve (1) off of the fuel tank bracket.

    9. Object Number: 1947930 Size: SH
  9. Cut the tie strap (2) securing the EVAP canister vent solenoid valve shield to the valve.
  10. Disengage the shield retainer (1) and remove the shield (3) from the valve.

Installation Procedure

    Object Number: 1947930 Size: SH
  1. Install the shield (3) to the EVAP canister vent solenoid valve, ensure the shield retainer (1) is engaged.
  2. Install a NEW tie strap (2) in order to secure the shield to the valve.

    3. Object Number: 1947911 Size: SH
  3. Slide the EVAP canister vent solenoid valve (1) onto of the fuel tank bracket.

    4. Object Number: 1947909 Size: SH
  4. Ensure that the EVAP canister vent solenoid valve engages the retainer (1).

    5. Object Number: 1947892 Size: SH
  5. Connect the EVAP canister vent pipe quick connect fitting (1) to the EVAP canister vent solenoid valve. Refer to Plastic Collar Quick Connect Fitting Service .

    6. Object Number: 1938257 Size: SH
  6. Connect the chassis wiring harness electrical connector to the EVAP canister vent solenoid valve .
  7. Position and install the fuel tank EVAP pipe to the tank clip.
  8. Connect the EVAP canister purge pipe quick connect fitting (1) to the chassis EVAP pipe. Refer to Plastic Collar Quick Connect Fitting Service .
  9. Lower the vehicle.