I have a small oil leak somewhere that is resulting in a faint burnt-oil smell whenever the HVAC fan is on. I don't see any oil, I'm not using any oil, so this is a very small leak that is just an annoyance...I'm thinking a gasket.

Has anyone used a stop-leak sealer like CD2? Do they work? I was looking at CD2 because it doesn't seem to be as thick as some of the other products.

Thx/

Welcome to the club of THE mistery oil leak. Everyone has it, no one knows why.

Thought this was the valve cover on the even banked cylinders leaking?

Yeah, I know. I'm just wondering if CD2 helps or not. I went ahead and put it in today. We'll see what happens.