BANNED by Kris
Join Date: Oct 2011
Location: Pasadena, CA
Thanked 113 Times in 105 Posts
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The leak aught to be under the hood. I realize that you hear it in the dash but look under the hood near the firewall and passenger fender. There is a white (factory) plastic vacuum line that comes out of a Firewall pass-through harness and loops back to the outside air door near the corner of the bay (look for a bunch of cracks in the hose and there is you leak most likely). This plastic vacuum line dries/rots out and then doesn't close the door any more and causes a vacuum leak in the system. Open the pass though harness sleeve and find a good section of hose. Cut off the bad section and replace it with a coupler and new section of vacuum line from a parts store.
-Bean's: 160/100 (FF Injectors), 2/ 6-POS chips (TW & Beans tunes), Overboost controller, E-Fuel
-BANKs: downpipe, full exhaust, gauges, intercooler
-Irate: T-4 kit, IC pipes, 3" Irate Plenums, BASB Turbo
-Stage II trans.
-Mag-Hytec trans. and pumpkin covers
-6637, CCV, IDM, 6.0 Fan, 49-Federal PCM swap, MAP line Mod
-370 Amp alt., 40k trans cooler, ADRENALINE PUMP
-twin on-board air w/ 10 gal. tank
-Oh, and a 2015 F350 6.7L DRW 4x4
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