help vacume whistling noise
minivan
09-15-2010, 06:59 PM
:crying: very strong vacuum on oil filler cap on valve cover. loud whistling noise under intake. four cyl. engine please respond thx Barry
old_master
09-15-2010, 07:11 PM
Check the PCV valve, it may have come apart. If that's OK, the intake manifold gasket may be leaking.
minivan
09-16-2010, 05:56 AM
does not have a pcv valve. going to pull intake in a few days , maybe find problem then.
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