80 Quattro L5-2309cc 2.3L SOHC (NG) (1988)
Vacuum Solenoid Valve HVAC: Description and Operation
Two Way Valve
The Two Way Valve directs vacuum from the reservoir to the vacuum servo. This activates the fresh air/recirculation flap door.
The Two way valve is located on passenger side of vehicle on right side of heater housing.