Operation CHARM
: Car repair manuals for everyone.
Home
>>
Ford Truck
>>
1995
>>
F 350 2WD Pickup L6-300 4.9L
>>
Repair and Diagnosis
>>
Powertrain Management
>>
Emission Control Systems
>>
Exhaust Gas Recirculation
>>
Vacuum Check Valve
>>
Testing and Inspection
Vacuum Check Valve: Testing and Inspection
Vacuum Check Valve:
Apply
54 kPa (16 in Hg)
vacuum to "check" side of the valve and trap. If vacuum remains above
50 kPa (15 in Hg)
for
10 seconds,
the valve is acceptable.