Exhaust smell from AC/htr vents

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Jan 13, 2013 | 06:13 PM

famfedyk

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Exhaust smell from AC/htr vents

What would be the cause of an exhaust fume smell coming from the dash vents when I first turn on the heater/air? After the initial turn on, the smell goes away.

Jan 15, 2013 | 01:28 AM

go-part

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It sounds like a simple exhaust leak, the hardest part is going to be figuring out where the leak is coming from exactly on the exhaust.

Jan 15, 2013 | 03:01 PM

famfedyk

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Where is the air inlet for the heater/vent system? Maybe if I know where that is, I can start my search for the exhaust leak in that vicinity.

Jan 15, 2013 | 05:01 PM

famfedyk

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Does it make sense to isolate my search on the exhaust system that is forward of the firewall? Or, do I need to exhamine the pipes all the way past the muffler?

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