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

Removal Procedure
  1. Raise the vehicle. Go to Lifting and Jacking the Vehicle in general information.

    2. Object Number: 228629 Size: SH
  2. Detach the EVAP vent valve from the EVAP vent valve bracket.
  3. Disconnect the EVAP vent valve electrical connector.
  4. Loosen the vent hose clamp and remove the vent hose from the EVAP vent valve.
  5. Remove the EVAP vent valve from the vehicle.

Installation Procedure

    Object Number: 228634 Size: SH
  1. Connect the vent hose to the EVAP vent valve (1) and tighten the hose clamp.
  2. Connect the EVAP vent valve electrical connector.
  3. Install the EVAP vent valve (1) to the EVAP vent valve bracket.
  4. Lower the vehicle.