351mach11647545510 Posted December 10, 2007 Report Share Posted December 10, 2007 My truck after I run the heat or air for awhile the air will stop coming out of the vents. the blower motor is still working but it's like it blows the air into limbo. It did this once in a great while before but now it seems to do it after I drive around for a half hour or so. Any ideas? I need to get this fixed because when we had that snow i kept getting ice build up to where i couldnt see. Quote Link to comment Share on other sites More sharing options...
AJ Posted December 10, 2007 Report Share Posted December 10, 2007 check the vacuum lines to the vacuum ball. Quote Link to comment Share on other sites More sharing options...
Dave1647545494 Posted December 10, 2007 Report Share Posted December 10, 2007 also make sure you have vac at the back of the control board in the cab if you do the switch might be going out on you Quote Link to comment Share on other sites More sharing options...
351mach11647545510 Posted December 10, 2007 Author Report Share Posted December 10, 2007 thanks, i'll check after work tomorrow. Quote Link to comment Share on other sites More sharing options...
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