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2003 Ford Mustang Heater Core Question

Tiny
MALJENKINS
  • MEMBER
  • 2003 FORD MUSTANG
Engine Cooling problem
2003 Ford Mustang V8 Automatic 122000 miles

my car runs hot when the A/C is on and has a foul odor. When the A/C is off, it's fine. Could this be the heater core?
Monday, August 17th, 2009 AT 4:08 PM

1 Reply

Tiny
MHPAUTOS
  • MECHANIC
  • 31,938 POSTS
Hi there,

This is mold and mildew build up in the vents due to a possible partly blocked drain tube, have this cleared and you can get a dedicated treatment to spray in the vents to kill the mold, your local parts outlet should carry this.

Mark (mhpautos)
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Monday, August 17th, 2009 AT 5:39 PM

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