My Ranger has an oil leak I cannot seem to trace. How can I determine if it is the head gasket or valve covers leaking?
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1995 Ford Ranger Question: head gasket leak?
Answer #1hemicuda May 11, 2009, 18:49Master
Probably the valve cover leaking, have you changed your pcv valve lately because a bad pcv will force crankcase pressure out of the valve cover gasket causing it to leak.
Answer #2patrick mannion from Greg Solow's Engine Room, May 12, 2009, 02:20Master
It should be easy to distinguish between the head gasket or head gasket being the source of an oil leak. Oil leaks downward not upward. Clean the engine, run the engine and check for leaks. Probably the valve cover gasket (common). If the leak can't easily been found a dye can be put in the oil to pin point the source of the leak.