Idea was to keep parts that were not needed in 2wd mode from rotating in order to reduce mechanical drag and thus save gas.
Ford super duty manual locking hubs.
These hubs fit 2005 and newer ford super duty trucks and provide an upgrade over the factory front hubs on super duty pickups and chassis cabs.
I thought i would do a video about auto vs manual auto locking hubs.
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Locking hub were invented to engage disengage the front wheels from the front axle shafts.
The reason why the super duty ford trucks have manually locking hubs is by design for a vacuum actuated hub to work the wheel needs to spin min 3 4 of a turn.
Warn premium locking hubs for ford 2005 model year and newer ford super duty trucks.
Order locking hubs for your 2008 ford f 250 super duty and pick it up in store make your purchase find a store near you and get directions.
The only way to tell 100 sure if you have auto locking hu.
The toughest truck around gets a new look hub.
A proposed additional benefit of locking hubs is less wear and tear of front axle.
4wd 4x4 axle hub link assembly front manual locking hub fit 2005 2016 ford f250 f350 f450 super duty replaces bc3z3b396b bc3z 3b396 b 2 pc 3 7 out of 5 stars 24 98 99 98.
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The ford owners manual sucks.
Unless you re driving a ford super duty f 250 f 350 or something really old you re not going to have to deal with locking in.
Superduty trucks are work trucks so they are often off road plowing snow etc if you were in 2wd and got stuck in a vacuum actuated system it would be near impossible to have.
Then in the late 1980 s ford began offering automatic locking hubs that did not require you to lock them by hand.
However owners of 2005 2020 ford super duty pickups now have the option to upgrade to a set of beefy manual warn front locking hubs courtesy of ford performance.
Ford eventually used an actuator that locks the wheel and axle shaft together when needed.
Ventures truck parts talks about and goes through common problems with fords super duty locking hub and leaking vaccum seal.