R. E.
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My 1999 ford F 250 super Duty heat or ac will not blow out the vents. It is like all the vents are closed off
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Views: 624
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Posted: 13 years ago
check switch by bypassing it. there is a blend door in heater that selects heat or cooling. check to see if it's has not stuck shut. The heater & AC gets it air from a grill right in front of hood or at bottom of windshield out side. It will be very simple when U find problem.
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Posted: 13 years ago
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