GM Service Manual Online
For 1990-2009 cars only
Makes 🢒 Buick 🢒 1999 🢒 Riviera 🢒 Engine 🢒 Engine Controls - 3.8L 🢒 Evaporative Emission Vent Valve Replacement

Removal Procedure

    Object Number: 207435 Size: SH
  1. Raise the vehicle. Refer to Lifting and Jacking the Vehicle in General information.
  2. Bend the EVAP canister vent valve retaining tab.
  3. Remove the valve from the EVAP canister vent valve bracket.
  4. Disconnect the EVAP canister vent valve electrical connector.
  5. Loosen the vent hose clamp and remove the vent hose from the EVAP vent valve.
  6. Remove the EVAP canister vent valve from the vehicle.

Installation Procedure

    Object Number: 207435 Size: SH
  1. Connect the vent hose to the EVAP canister vent valve and tighten the hose clamp.
  2. Connect the EVAP canister vent valve electrical connector.
  3. Install the EVAP canister vent valve to the EVAP canister vent valve bracket.
  4. Bend the EVAP canister vent valve retaining tab.
  5. Lower the vehicle.