Need help finding a vacuum leak.... - Ford Powerstroke Diesel Forum
 
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post #1 of 4 Old 06-14-2011, 03:26 AM Thread Starter
KEP
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Need help finding a vacuum leak....

So I was reading late last night and came across a thread where someones 4wheel drive wouldn't lock in and the air would go from blowing to the exhaust....mine does the same thing but I wasn't aware of it until this morning. In that thread they said its a vacuum leak to the hubs. I've been poking around, following the lines I can see and I can't find any holes or connections not connected. Is there a better way or is there a "common fail" spot that someone can point me to? The gray line IS connected to that boot next to the ac condenser. Thanks for your help....this truck is going to be "fun" isn't it?
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post #2 of 4 Old 06-14-2011, 03:48 AM
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Did you check the vacuum lines where they attach to the axle? They generally dry-rot there and leak at that point. I'd try that first; then start checking to see if it's the vacuum solenoid.
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post #3 of 4 Old 06-14-2011, 03:52 AM Thread Starter
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Do I need to take the tires off for that? If not, I've checked everything going into the back and it looks pretty good. Where is that solenoid?
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post #4 of 4 Old 06-14-2011, 04:28 AM
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Read post #5 of this link, lots of info.
heater problems and i have a baby that i need to take in my truck

2004 F350 CC DRW King Ranch
X-3 tunes by DJ'S,QT,GH,ID. Gryphon FICM tunes, ARP studs,Stage 1turbo,ATS coolant recirc lines,Swamp's 48v ficm,coolant filter,AD2,Snow Perf stage II,EGR delete,4" turbo back straight pipe,S&Bintake,Quad "A" pillar autometer gauges,Suncoast Tri Disk Conv.,Billet input shaft,Suncoast superduty rebuild kit,Trans-go shift kit,Mag-Hytec trans pan,CFM+ elbow,ccv mod,15K reese 5er,17" LCD TV/DVD,Cobra 29 Nitewatch CB
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