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Auto Locking Hubs explanation

129030 Views 24 Replies 14 Participants Last post by  97_7.3_4X4
Ok Ive gone through a lot of threads here and cannot find an answer to my question.

I have a 2001 F250 7.3 Diesel. I just replaced both auto locking hubs and wheel bearings. All tested fine and according to my mechanic, all is working normally. I want to know if 4WD low engagement is the same as getting out of your truck and locking the hubs manually. If I have my hubs in the "auto" position, why do I still have to get out and rotate the hubs into manual. Some people are telling me that because of limited slip differential that I dont have full 4WD until I get out and change the hubs to manual. So my question is why have auto locking hubs if I still have to manually change the hubs.

It seems like I have half 4WD until I lock the hubs myself. Then its great. I've gotten stuck in snow many times thinking I have engaged 4WD when I haven't.
Its frustrating when everyone with 4WD is just plowing past you.

Thx anyone

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Lots of great feedback on this. Thanks everyone.
I still would like to know why there is such a thing as "auto locking hubs" if I still have to get out and lock them manually. Kinda defeats the purpose of have the auto lock option.

If the system is working properly, will I see the knob on the will hub move to the manual position?

So I guess if I'm going to need real 4WD , I'll need to plan ahead and lock the wheels manually. True?

Great post

Great post Thanks.

I'm ordering those today.

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