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2001 Ford F-150 anti freeze odor coming from vents

Tiny
BRYANTCOWARD
  • MEMBER
  • 2001 FORD F-150
  • V8
  • 4WD
  • AUTOMATIC
  • 211,469 MILES
My a/c went out and shortly after, I started smelling antifreeze or odor coming from a/c vents when I started using heater. It has an external leak on the right side of the engine at firewall close to the condensation tube but its not coming from there. Floorboard is NOT wet with antifreeze. When you turn heater on, the windshield fogs up. Do you think this is a heater core problem? Other possible suggestions?
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Wednesday, November 3rd, 2010 AT 5:21 PM

2 Replies

Tiny
SATURNTECH9
  • MECHANIC
  • 30,869 POSTS
If the windshield is fogging up with coolant then yes you have a leaking heater core.
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Wednesday, November 3rd, 2010 AT 5:29 PM
Tiny
BILLYMAC
  • MECHANIC
  • 2,204 POSTS
Yes the heater core is the prob. Even if floor is not wet core still bad just not leaking yet. First steam or odor then wet floorboard
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Wednesday, November 3rd, 2010 AT 5:31 PM

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