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1980 - 1986 Bullnose F100, F150 & Larger F-Series Trucks Discuss the Early Eighties Bullnose Ford Truck

Heater problems

Old Nov 7, 2009 | 08:01 PM
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Heater problems

I have an 1986 Ford F150 4x4 with A/C and I have a problem with the heater/air conditioner selector lever. All I have are my vents, no defrosters or floor vents. Could there be a problem with the blend door? I know the system is vacuum controlled.
 
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Old Nov 7, 2009 | 09:34 PM
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There is a problem door that breaks at the hinges all the time, but I am just going by my memory from reading posts over the years. Someone else will come along hopefully and know more.
 
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Old Nov 7, 2009 | 11:16 PM
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And from what I understand it's too fun to replace either.

Watching this thread as my truck has the same problem...
 
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Old Nov 8, 2009 | 03:19 AM
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What's the easiest way to get to the blend door?
 
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