Posted by Eric Gineman on Friday, March 14, 2003 at 5:19PM :
In Reply to: '86 dodge 4x4 posted by tom(mich) on Thursday, March 13, 2003 at 8:31PM :
there is a vacuum accuator on top of the front axle.these rot out and can be rreplaced but it is a dealer only item about 170.00 . this part due to age i wouldnt suggest buying from junkyard.also check the vacum lines because they do rot and break. hope this helps .eri (mich. also)