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Exhaust smell from AC/htr vents

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Old 01-13-2013, 06:13 PM
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Default 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.
 
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Old 01-15-2013, 01:28 AM
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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.
 
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Old 01-15-2013, 03:01 PM
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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.
 
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Old 01-15-2013, 05:01 PM
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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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