Lifetime Supporting Member
Join Date: May 2002
Location: Gypsum, Co
Feedback Score: 1 reviews
Go down to the auto parts store and pick up a dozen or so vacuum lines caps.
Then once you find the vacuum distribution box you can remove hoses and cap off one or two at a time until you get air out of the vents or somewhere besides the defrost. Odds are if your truck is a 4x4 the leak is on the lines to the front hubs.
96 F250 PS XLT 4X4 long box, 5sp,4.10, manual hubs,pyro+boost guages, Dark Toumaline, add a leaf, Dale's TYMAR, and HX hose, downpipe, coolant filter, Luk clutch