2003 Cadillac CTS

JOHN STRUMKE

MEMBER
2003 CADILLAC CTS
6 CYL
2WD
AUTOMATIC
110,000 MILES

When I turn on the heater I smell oil thru the vents

Saturday, November 7th, 2009 AT 8:37 AM

1 Reply

FACTORYJACK

MECHANIC
4,159 POSTS

I would speculate that you have engine oil leaks, and the vapors are being pulled through the inlet. Often times what is most common, is the valve cover gaskets that leak right on to the exhaust manifolds.

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2003 Cadillac CTS

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