exhaust smell in defrost

2001 SUBARU OUTBACK
21,600,000 MILES • 4 CYL • AWD • AUTOMATIC
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JASON29
  • MEMBER
  • 3 POSTS
when i turn on my defrost it smells like gas or exhaust, what could cause this.?
Dec 6, 2010 at 10:26 AM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
Maybe heater core leaking coolant. does windshield get fogged ?
Dec 6, 2010 at 10:36 AM
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JASON29
  • MEMBER
  • 3 POSTS
No...and it heats great it just smell real bad. its mainly when i first start it and let it warm up.
Dec 6, 2010 at 11:01 AM
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DOCFIXIT
  • ✓Experienced Mechanic
  • 18,828 POSTS
Have to say and exhaut leak or oil on manifold that is being drawn in air intake try putting HVAC in Recirculation mode
Dec 6, 2010 at 11:27 AM
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JASON29
  • MEMBER
  • 3 POSTS
that makes sense...ill try it.
Thanks again
jason
Dec 6, 2010 at 12:21 PM
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