Why is the a/c only blowing out the defrosters ???

40

Asked by Stan Jun 02, 2013 at 10:02 PM about the 2007 Ford E-Series E-250 Cargo Van

Question type: Maintenance & Repair

4 Answers

the environmental control is not functioning....either a vacuum hose that's fallen off, or a mechanical link is no longer linked~

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Yup. Anything from a control door that has broken, vacuum or electrical control its self. Also, there is a vacuum reservoir under the hood that has a check valve that supplies vacuum to the register controls under low vacuum (hard acceleration) conditions. Often, the check valve fails or the vacuum line is broken.

9 people found this helpful.

Does anyone know why on a 2005 E250 Ford Van; I installed a new a/c compressor and serviced it and it keeps blowing the rear compressor seal. It builds pressure and pops off, there is no restriction on the line's so I don't know why it keeps doing it.

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