GM Service Manual Online
For 1990-2009 cars only

Evaporative Emission Canister Vent Solenoid Valve Replacement Regular Cab

Replacement Procedure

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the evaporative emission (EVAP) canister vent valve electrical connector.
  3. Disconnect the canister pipe from the vent valve.
  4. Push in the retainer and remove the existing canister vent valve from the fuel tank clip or mounting bracket. Discard the old valve.
  5. Cut back the existing canister pipe approximately 51 mm (2 in) to remove the quick connect end.

  6. Object Number: 1962421  Size: SH
  7. Install the new canister vent valve to the fuel tank clip or mounting bracket.
  8. Cut a bulk 5/8 in heater hose to a length of approximately 76 mm (3 in).
  9. Install the hose between the vent valve and the canister pipe and secure using clamps.
  10. Attach a bulk 5/8 in heater hose to the vent valve port and secure using a clamp. Run a length as needed along the frame rail routing to the area above the transmission.
  11. Cut the hose to determined length and install the supplied filter box. Secure using a clamp.

  12. Object Number: 1962416  Size: SH
  13. Secure the filter box to the fuel lines above the transmission using a tie strap.
  14. The filter box opening should be pointing downward.

  15. Connect the EVAP canister vent valve electrical connector.
  16. Tie strap the hose as needed along the frame rail in order to keep the hose away from the pinch-points and heat sources.
  17. Lower the vehicle.

Evaporative Emission Canister Vent Solenoid Valve Replacement Extended Cab

Replacement Procedure

  1. Raise and suitably support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Disconnect the evaporative emission (EVAP) canister vent valve electrical connector.
  3. Disconnect the canister pipe from the vent valve.
  4. Push in the retainer and remove the existing canister vent valve from the fuel tank clip or mounting bracket. Discard the old valve.
  5. Cut back the existing canister pipe approximately 51 mm (2 in) to remove the quick connect end.

  6. Object Number: 1962426  Size: SH
  7. Install the new canister vent valve to the fuel tank clip or mounting bracket.
  8. Cut a bulk 5/8 in heater hose to a length of approximately 76 mm (3 in).
  9. Install the hose between the vent valve and the canister pipe and secure using clamps.
  10. Attach a bulk 5/8 in heater hose to the vent valve port and secure using a clamp. Run a length as needed along the frame rail routing to the area above the transmission.
  11. Cut the hose to determined length and install the supplied filter box. Secure using a clamp.

  12. Object Number: 1962416  Size: SH
  13. Secure the filter box to the fuel lines above the transmission using a tie strap.
  14. The filter box opening should be pointing downward.

  15. Connect the EVAP canister vent valve electrical connector.
  16. Tie strap the hose as needed along the frame rail in order to keep the hose away from the pinch-points and heat sources.
  17. Lower the vehicle.