Econoline E550 V10-6.8L VIN S (2003)
Vacuum Check Valve
A vacuum check valve blocks air flow in one direction. It allows free air flow in the other direction. The check side of this valve will hold the
highest vacuum registered on the vacuum side.
Vacuum Check Valve
A vacuum check valve blocks air flow in one direction. It allows free air flow in the other direction. The check side of this valve will hold the
highest vacuum registered on the vacuum side.