HELP! Have 2 problems - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 03-20-2013, 05:51 AM Thread Starter Rookie
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HELP! Have 2 problems


So i have 2 problem i cant trace.

08 F-250, DPF Delete, spartan tuner

#1- there is a vacum pump on the driverside behind the battery, i am guessing its for the locking hubs?? The long vacum line is not connected to anything! and of course my hubs will not lock automaticly. Where does the line connect to?? I have tried to trace it out but am lost.

#2- I have a squeek somewhere. when the truck is running and in park no squeek, when i put it in drive and giver it some go go juice it will start to squeek, i cant identify if its the front or the rear. doesnt sound like brakes, mabie a bearing or a pully, It only does it when i give it gas and only sometimes. the brakes do squeek when i apply em, but i hear that is common on the 08's. If it was a pully or belt it should sqeek all the time correct? same for the whell bearings? i did play in the mud a few days ago locked the hub manualy, could it be dirty hubs? any help would be great.
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post #2 of 3 Old 03-21-2013, 02:19 AM
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belt tensioner maybe?

08 JOB 1 F-250 Lariat Crew Cab, S&B INTAKE, H&S Blk MAXX, 5" Flo PRO, EGR Delete, Air Dog 165, Upgraded Bellows, MBRP Intercooler pipe, 4" Down pipe, Tial Wastegate, OUO T bars, ARP studs, Bestop pwrbrds

***Legal Disclaimer: Anything I say about my vehicle on this website(, pertaining to modifications, is only to gain acceptance from my peers, and does not actually represent anything actually existing on my truck, and thus, cannot be held against me in any issues.
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post #3 of 3 Old 03-24-2013, 06:46 AM
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have someone stand outside the truck and pinpoint where its coming from, could be anything

2016 F450 6.7L XLT 4x4Dump, bone stock
1994 F250 7.3L XLT 4x4 ZF5 , Centurion, 4" Lift, 6637, Gulf Coast Bypass Filter, Big fuel tanks, dana 60 swap, No longer dually
1997 F350 7.3L XLT 4x4Dump, E4OD, 4 in exhaust, TS 6 position, 3/8 Trans line+external filter
2013 Scag Turf Tiger 61" 1.1L Caterpillar Diesel
1960 John Deere 440 Backhoe 2-53 detroit
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