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Old Aug 17, 2003 | 01:15 AM
  #1  
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Clancy109
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Question AC Problem

The AC, in fact all air, is coming out through the defrost vents. This happened just after towing my 5th wheel 2 1/2 hours. Vacuum hose?
 
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Old Aug 17, 2003 | 07:28 AM
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powerstroker250
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AC Problem

Loose vacuum hose or the vacuum pump itself. Maybe an electrical connection.
 

Last edited by powerstroker250; Aug 17, 2003 at 07:32 AM.
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Old Aug 17, 2003 | 08:04 AM
  #3  
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AC Problem

That where Ford defaults the air flow when there is a vacuum problem.
 
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Old Aug 17, 2003 | 10:25 PM
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riverbedjed
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AC Problem

Mine has the same minor problem, I would say its the vacuum pump or a leak in it somewhere. I'm going to replace mine soon. I think it affects your esof to (electronic shift on the fly). Mine stays on defrost for about 30 seconds and then goes pack to the panel. Good luck fixing it clancy
Ken
 
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