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a/c maximum air not working

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Old Jun 10, 2006 | 11:43 AM
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a/c maximum air not working

I own a 1994 f350 7.3 diesel. The maximum air is not working when I move it to the max. a/c position. I think the door is not closing ouside air out. I am also having problems with a/c cooling fine when I am on the highway but not always cooling at a standstill. Compressure is new,accumulator,and orifice tube also are new, gage pressures read fine. Any suggestions?
 
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Old Jun 10, 2006 | 05:20 PM
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From: Easton,Ks
Here is a vacuum diagram of it, maybe it will help you.

 
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Old Jul 2, 2006 | 09:48 PM
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Diagram

Thanks for vacuum diagram subford. I found the problem,actuator for outside door was stopped up. Cleaned it out then reinstalled and it worked fine. Diagram will come in handy for future reference.
 
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