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Old 06-03-2008
federal20's Avatar
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Join Date: Jun 2008
Location: TX
Posts: 12
Icon9 a/c not working

its like the flapper wont open and let the a/c flow into my truck was told a vacum hose came off but i dont know just got the truck fri night
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Old 06-03-2008
Join Date: Nov 2005
Location: Elizabeth City, NC
Posts: 767
Check the vaccum tubing to the black sphere (accumulator) under the hood. One line goes to an engine vaccum port, the other goes into behind the glovebox and the heater control.

You can also search for "Blend Door" and "defrost default".

If there is no vaccum getting to the system, it defaults to routing airflow out of the defrost vents.

If it stays HOT, it is likely a blend door problem.

Welcome to R-F, Robert.

The "Search" function is your best friend!
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