90 Quattro 20V (Canada) L5-2309cc 2.3L DOHC (7A) (1989)
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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.
