Question about 1994 Ford F350 Crew Cab

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1994 Ford F350 Blowing Oil

I have replaced the PCV valve. I have not replaced the hoses. I will check the hoses and get back to you. Thanx for yor help!!!
- Chris

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Anytime - good luck:)

Posted on Aug 02, 2008

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No solution from me, Note: Sounds like your pretty familiar with the Positive crankcase ventilation (PCV). You said the valve is pulling a vacuum I am assuming it is from the intake manifold side correct? With the PCV was working sure seems like it would keep the oil from coming out of the dipstick tube. I am stumped as well, sounds almost like too much blow by from the cyclinders you already stated that with the possible broken compression rings?

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On top of the valve cover there is a fresh air breather unit. Make sure the breather unit is not plugged.
Also the fixed orifice PCV should be clear. Find a tool that will go through the orifice and make sure it is clean.
Remove the vacuum hose and check it for cracks or internal damage. With the engine running, make sure you have vacuum through the hose.
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