Won't go in 4x4 - Ford Powerstroke Diesel Forum
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post #1 of 3 Old 06-26-2011, 10:44 AM Thread Starter
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Won't go in 4x4

I have a 08 F350 6.4 and it will go in 4 high and 4 low but it won't engage the front wheels, what could be the problem?

F-350 2008 SRW
5" from DP, 6" MBRP Tip, AFE cold air
H&S mini maxx on HD 300
20x10 XD Diesel chrome wheels
35x12.5x20 Mud Grapplers
Pro Comp traction bars
Built tranny with Precision Industries converter

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post #2 of 3 Old 06-26-2011, 10:39 PM
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Try locking the hubs manualy if it works then there is a vacume line loose someplace.

2010 F450 CC LB 4x4 Black.

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post #3 of 3 Old 06-26-2011, 10:57 PM
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Vacuum line for sure .... My odd 6 vacuum line was on the passenger side next to the battery and was melted , it came loose.

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