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I have a 2002 F-250 w/ 7.3L and after I rolled over 300K miles, one of my hubs finally went out. I wanted to know what spline my axle would be so i can order some new ones and what brand should i get, i was planning on getting warn.
I had one hub break about a month ago and I only had the driver side hub lock. Now im having another problem. I have 4x4 shift on the fly with locking hubs. I noticed that i have vaccum lines going to the hubs. And now the driver side will not lock and no vaccum is going into the lines. i replaced all the vaccum lines to make sure i had no leak but i found the lines conected to this unit (i dont know what it is) (has a wiring harness the plugs into it). I think it might be bad but i dont know what it is. What is that part called. I know it is bad because i found water in the vaccum lines and it went all the way to this component and i dont believe water and electricity mix to good.
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