Monday, December 26, 2011

Air Conditioner will not blow out of the front vents?

Ford Expedition:

The Air Conditioner will not blow out of the front vents. Automatically blows out of the defrost and rear vents. The air that comes out is cold. 

You have a vacuum loss to the ac control head, the motors that divert air are vacuum operated, if you loose vacuum the system goes to defrost for safety reasons, the vacuum comes from the engine, then goes o a plastic vacuum tank under the hook start there, it is a 3/16 inch hose.


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