LTD Crown Victoria V8-351 5.8L VIN G Windsor 2-bbl HP (1982)
Combination Air Bypass Valve/Air Control Valve Assembly
Normally Closed Valves
1.
Disconnect hose from outlets A and B, Figs. 62 and 63.
2.
Disconnect and plug vacuum line to port D.
3.
Run engine at 1500 RPM. There should be air flow at bypass vents.
4.
Reconnect vacuum line to port D and disconnect and plug vacuum line to port S, then ensure that vacuum is present in line to vacuum port D.
5.
Run engine at 1500 RPM. There should be air flow at outlet B but no air flow at outlet A.
6.
Apply 8---10 inches Hg vacuum to port S and run engine at 1500 RPM. There should be air flow at outlet A.
7.
On bleed type valve, some lesser amount of air will flow from outlet A or B and the main discharge will change when vacuum is applied to port S.
If there is a small air tap attached to the inlet tube from the air pump, air flow should be present during engine operation.
