Evaporative Emission Vent Valve Replacement for GMC Truck GMC MD Steel Tilt (W Model) 1998

Caution: Unless directed otherwise, the ignition and start switch must be in the OFF or LOCK position, and all electrical loads must be OFF before servicing any electrical component. Disconnect the negative battery cable to prevent an electrical spark should a tool or equipment come in contact with an exposed electrical terminal. Failure to follow these precautions may result in personal injury and/or damage to the vehicle or its components.

1. Disconnect the negative battery cable.



2. Disconnect the Vent valve electrical connector.
3. Disconnect the Canister Vent hose.
4. Bend back the tang on the bracket.
5. Remove the Vent valve.

1. Slide the Vent valve onto the bracket.
2. Connect the Canister Vent hose.
3. Install the electrical connector.
4. Connect the negative battery cable.