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Re: Windows keep fogging up
Posted to HD/Fleet Forum on 1/4/2018 1 Reply

"new heater core"... Did you notice if the condensate drain was open and not plugged? Did you check for blend door and A/C function on defrost mode? Are you sure that the "fog" is not coolant? Heater cores are a lot more fragile these days... Login to read more.

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