5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

Heater blows smoke?

Old 03-11-2011, 07:50 PM
  #1  
minimac
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Default Heater blows smoke?

when i turn the heater on for the first time since the car has been running, or the heater has been off for more than 20 minutes, it blows smoke, more like condensation then smoke, it sticks to the windows and mirror. it only does it for about 1-2 minutes then it clears up. smells kinda like anti-freeze. could it be the heater core?
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Old 03-11-2011, 10:06 PM
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AdirondackFox08
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Yeah its the heater core. You can also check the carpet on the passenger side underneath the dash, usually it is wet or stained from the coolant.
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Old 03-11-2011, 10:24 PM
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tohoopty
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time to pull your dash out
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Old 03-12-2011, 11:47 AM
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Bubba 95SN
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Sounds,looks, smells like heater core replacement time.
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Old 03-12-2011, 12:20 PM
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67mustang302
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Remember to wash the inside of your windshield when you're done replacing the core.
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