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1987 - 1996 F150 & Larger F-Series Trucks 1987 - 1996 Ford F-150, F-250, F-350 and larger pickups - including the 1997 heavy-duty F250/F350+ trucks

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Old Mar 22, 2012 | 08:47 PM
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dallasdave
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I have lurked around here for a few years but figured I would ask a question of my own tonight. I have a 92 f150 xlt super cab 4x4 w/ 351 e4od trans.
I havent fixed the ac since it has a large leak somewhere and the freon leaks out in a matter of days after I recharge it but even on vent I am getting some heat thru the vents (thermometer reads 80) Is there something I should check? Maybe the temp control or something.
Thanks for any help on this. It gets hot on the heat setting but never blows cool even on the cold setting once the engine has warmed up regardless of the outside temp.
 

Last edited by dallasdave; Mar 22, 2012 at 08:50 PM. Reason: left something out
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Old Mar 22, 2012 | 09:58 PM
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Phy
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From: 8600 ft in Colo
Sounds like the blend door isn't closing off all the way.
Do a search on "blend door" and you'll find a lot of info.
 
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Old Mar 23, 2012 | 09:43 AM
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thanks I will check that out.
 
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