Question about 2004 Jeep Grand Cherokee
The air handlers on jeep are powered by engine vaccum and when a loss of vaccum happens the air is defaulted to defrost,so under the hood on passenger side is a 1/8 small black plastic line should be plugged into a bigger rubber or plastic vaccum line sometimes after a few years the rubber boots the use get soft and washing the engine or just moving things around can unhook the small line
Posted on Sep 27, 2009
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Posted on Jan 02, 2017
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