Impreza WRX Wagon Valve Locations
Drain Valve: Service and Repair
Drain Valve
REMOVAL
1. Disconnect the ground terminal from battery.
2. Lift-up the vehicle.
3. Remove the canister.
4. Disconnect the connector from drain valve.
5. Disconnect the evaporation hoses from drain valve.
6. Remove the bolt which installs the drain filter and drain valve brackets on body, and remove them as a unit.