I have an 04 f250. The problem I got with the 4x4 is it will lock in if you put the hubs in lock, but if it is in auto the hubs wont engage. I think I got a vaccum leak, but was wondering where I need to look to get this problem fixed? Thanks in advance.
K i will have to check it out when I find some time. Dont use 4x4 much since I am in the hill country of tx and we dont get much rain. Just noticed it the other day when it actually rained for the first time in a long time. Thanks
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