How to fix oil like stuff on the inside of my wind sheild?

Asked by Oct 30, 2014 at 06:15 PM about the 2009 Chevrolet Silverado 1500 LT1 Crew Cab

Question type: Maintenance & Repair

I am not sure why it happening but i can see a oil like coat on the inside of my wind shield I am guessing that
its coming from my defroster but why?

1 Answer

216,495

Is it a thin film? I suspect a faulty heater core and it's actually coolant that is on the inside of your window.

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