3WD
New User
Joined: Aug 2014
Posts: 21
Likes: 0
From: Richfield, MN (Mpls)
The reason to unlock the hubs is to increase fuel economy and save wear and tear on front drive links. Fuel economy increased due to vehicle having less mass to push around. When you unlock, the wheel just turns around the hub.
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Hotshot
Joined: Jul 2013
Posts: 14,298
Likes: 2,197
I don't have a problem with using e tea gas.
Would rather have the 4wd other vehicles have and have had for the last few decades in which you do not have to get out and rotate hub locks.
Can't defend it, don't see the point.
Would rather have the 4wd other vehicles have and have had for the last few decades in which you do not have to get out and rotate hub locks.
Can't defend it, don't see the point.
More Turbo
Joined: Jun 2008
Posts: 566
Likes: 93
Other 4WD vehicles that have had shift on the fly 4WD for the past few decades almost all have CV axles in the front and a central axle disconnect. The CV joints are designed to run for extended periods at highway speeds, whereas the ujoints on your front axle really aren't designed to handle that kind of constant high speed use.
I have seen front axle ujoints and transfer cases detonate on rigs where the hubs were constantly left locked. If you choose to leave the hubs locked for the winter, just make sure that you do a thorough checkup of the transfer case, front driveshaft and front axle ujoints before and after the winter season to catch any wear early and get it dealt with.
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CAPTAIN 3747
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