locking the hubs - Ford Powerstroke Diesel Forum
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Old 03-09-2008, 12:45 PM
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locking the hubs

Im goin wheeling tomorow with some friends, it kind of muddy, so i was thinkin i should probably lock the hubs, the front wheels have theat little turning thing on the hub. What exactly does it do? also, wats the diff, between 4 wheel high an 4 wheel low? thanks guys
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Old 03-09-2008, 01:07 PM
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I was told that the auto was for slippary roads around town & hiway.If you are doing heavy 4x4 you want to lock them in.In the auto pos it takes 1 1/2 rotations to lock.So if your stuck and go between forw & rev the 1 1/2 really hammers it.And locked is locked
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Old 03-09-2008, 01:11 PM
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The turning knobs lock the hubs to the axle. If you have an electric transfer case (the knob on your dash as opposed to the lever on your floor) you MOST likely have auto locking hubs. That means when you flip into 4 a vacuum line automagically locks your hubs, else you have to do it manually. If you don't activate your hubs you will never have four wheel drive.

As for 4-HI vs 4-LO; in 4-HI your t-case operates in a 1:1 gear. In 4-LO it operates in a lower gear (2.72:1, methinks). 4-LO is great for deep mud, sand, snow, etc but is very dangerous on pavement or hard ground. It's very easy to break a drive shaft or some other weak link in your drivetrain.

Have fun out there, and give us some pics of the mud you come across.
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Old 03-09-2008, 01:14 PM
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Quote:
Originally Posted by csford View Post
I was told that the auto was for slippary roads around town & hiway.If you are doing heavy 4x4 you want to lock them in.In the auto pos it takes 1 1/2 rotations to lock.So if your stuck and go between forw & rev the 1 1/2 really hammers it.And locked is locked
True, auto locks can take a few revs to lock in. But, once they're locked they don't disengage when you change gears. If you're putting a lot of torque to them and your vacuum line is weak they can pop out; however, so if you need heavy 4x4 its best to hop out and twist them to "lock".
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Old 03-09-2008, 01:28 PM
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I thought that wen you went in rev it took another 1 1/2 rotations again to lock. I replaced mine with warn's.It sucks having to get out all the time to lock them.
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Old 03-09-2008, 01:34 PM
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Quote:
Originally Posted by csford View Post
I thought that wen you went in rev it took another 1 1/2 rotations again to lock. I replaced mine with warn's.It sucks having to get out all the time to lock them.
yeah, but at least you know when there locked or unlocked. dont ever have to worry bout them sticking or anything.
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Old 03-09-2008, 02:44 PM
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so before i go in the trail, i should turn them all the way to the right until it stops, and then put her into 4 wheel high?
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Old 03-09-2008, 06:12 PM
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Quote:
Originally Posted by DIESEL KEVIN View Post
so before i go in the trail, i should turn them all the way to the right until it stops, and then put her into 4 wheel high?
Should let you have a great day out on the trails.

If you get stuck in some mud, don't be afraid to use 4-LO
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Old 03-09-2008, 06:17 PM
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Quote:
Originally Posted by DIESEL KEVIN View Post
so before i go in the trail, i should turn them all the way to the right until it stops, and then put her into 4 wheel high?
yes. just lock them in for good measure. then use the switch to go to 4 Hi. if you need to go slow and need serious traction then lock it into 4 low. have fun, be safe.
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Old 03-09-2008, 06:27 PM
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as an old farm kid and hunter use the 4x4 to get out, not deeper in the hole
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