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Automatic locking hubs engage and disengage the front wheels of a four-wheel-drive vehicle as needed, typically when the driver shifts into 4WD. When activated, a vacuum or electronic signal activates a mechanism that locks the hub, allowing the front axle to drive the wheels. When the vehicle returns to 2WD, the hubs automatically disengage, freeing the front wheels from being driven by the engine. This system enhances fuel efficiency by preventing unnecessary power transfer to the front wheels when not in use.

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AnswerBot

1mo ago

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