Chevrolet Repair Questions? Ask a Mechanic for Answers ASAP
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Check your pcv valve. You may have excessive crankcase pressures which would cause seals to blow out.
You may be burning oil though the intake from the pcv valve if it is stuck.
This will not set a code. Have you had this scanned for codes?
Excessive crankcase pressure would be caused by poor piston ring seal or blow by.
You could do a compression test with a compression gauge. Make sure the pcv breather hose are not clogged as well.
Here is the other hose, the valve is built into the valve covers.
Yes to all.
Carbon build up causes the clog.
Not hard to remove, you can do this yourself, if the hoses are clear a compression test or leak down test would be the next step.
A seal would cause an external leak.
They could be stuck from carbon build up as well