I have a 2016 Itasca Solei 34T. Recently I noticed the diesel vacuum pump located in the front compartment runs incessantly whenever a dash air setting requiring the vent be closed is selected (Max A/C or even Off). I checked all the hoses and the vacuum ball and could find no leaks. Any thoughts?
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Location: Snowbird - Waterford Mi and Citrus Springs Fl.
Posts: 3,609
There almost has to be a leak - somewhere. Did you try plugging the line right at the pump to see if it would shut off like that? If it does, there's no if. There's a leak.
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