Curt Posted January 19, 2011 Share Posted January 19, 2011 What is its' purpose? Can the hose going to it be plugged with no ill effects? tyia Link to comment Share on other sites More sharing options...
dasbulliwagen Posted January 19, 2011 Share Posted January 19, 2011 It holds a vacuum reserve so that when accelerating your truck, the heat and air blowing positions don't move on you for lack of vacuum. If you don't have it, youll only get defrost while accelerating or cruising at highway speeds. Keep it, it don't hurt anything! Link to comment Share on other sites More sharing options...
dasbulliwagen Posted January 19, 2011 Share Posted January 19, 2011 Or you can relocate it to the engine compartment like I did on my Boss's 88 MJ, just find a place to stuff it in! Link to comment Share on other sites More sharing options...
Curt Posted January 19, 2011 Author Share Posted January 19, 2011 Ok, thanks for the quick replies. :cheers: Link to comment Share on other sites More sharing options...
HOrnbrod Posted January 19, 2011 Share Posted January 19, 2011 http://www.comancheclub.com/forums/viewtopic.php?f=9&t=17120&p=173686&hilit=vacuum#p173686 Link to comment Share on other sites More sharing options...
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