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Trans Am exaust smell INSIDe car

Tiny
CEPAN
  • MEMBER
  • 1997 PONTIAC TRANS AM
  • V8
  • MANUAL
My 1997 trans am has an exaust smell INSIDe when the air is on or the vents or open. Have been told it is an Antifreeze leak from the engine burning on the manifolds. Bull crap I say. Is it the doughnut that is between the cat and the manifold? Or what?
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Thursday, December 9th, 2010 AT 11:51 PM

3 Replies

Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
How would we know what is leaking on your car? It needs to be inspected to determine that. I see no reason to disbelieve someone that has already looked at it and determined it to be leaking coolant. Coolant has a distinctive sweet smell that should be recognizable. It could just as easily be oil leaking on to the exhaust also.
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Friday, December 10th, 2010 AT 12:29 AM
Tiny
CEPAN
  • MEMBER
  • 2 POSTS
My point is.I know cars and it is an EXAUST/gas smell. NOT an antifreeze smell. What would cause the air conditioner to smell like exaust even on recirculate? There is no leak in the exaust past the oil pan. And no smoke visible. Yet there is the smell?Very strong at times.
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Friday, December 10th, 2010 AT 12:33 AM
Tiny
WRENCHTECH
  • MECHANIC
  • 20,761 POSTS
If you still get it on recirculate, then it's not likely coming in through the A/C as it isn't pulling outside air at the time.
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Friday, December 10th, 2010 AT 12:36 AM

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