Question about 2004 Ford Expedition

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A/c in 04 Expedition is blowing warm air. Repair shop says the lines leading to the rear a/c have a hole burned through. Is this a pressurized line? allowing the coolant to leak out? or just a "ductwork" system?

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This is a pressurized line, where the coolant leaked out.

Posted on Aug 21, 2010

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