Good idea but the savings are extremely minimal. A proposed additional benefit of locking hubs is less wear and tear of front axle parts. Lousy argument! Are they saying that your front axle components are not strong enough to constantly rotate like your rear axle, and need to be disconnected if not in use? An often overlooked draw back is that hubs stick out and can get damaged when off-road.
Hub components are usually cast aluminum that break easily. A broken hub could leave you stranded in the back country. So, what should you do? I would recommend that you leave your locking hubs disconnected when there is no need for 4WD in sight. You'll achieve a quieter ride on pavement with less vibrations with hubs unlocked.
Lock them as needed for 4WD operation doesn't matter whether you lock them before you shift into 4WD or right after and unlock them when going back to 2WD again, doesn't matter whether you unlock them before shifting out of 4WD or right after. But in the manual locking hub, the driver needs to get out of the car and adjust the nob. The manual gives the driver a bit of freedom to work with the locking and unlocking when necessary. But in auto, it shifts itself only when necessary.
Your four-wheel vehicle can work as 2 wheel drive and 4 wheel drive. There are two axles in your car. When the hubs are unlocked, the axles work separately. They spin regardless of each other. They can be pushed from the rear axle whenever you push them. This is 2WD. But when the front locking hub is locked, the two half axles are connected. Now the drive works as 4WD. The two axles will spin together. You are now ready for 4WD. The Ford vehicles now come with auto front locking hubs.
But the model from to allows you to upgrade it to manual locking hubs. In automatic lock hubs, Ford F will lock itself. You will apply torque with the help of the driveshaft.
It will force the hub to slide in. Thus, you can lock Ford F hubs. This model has an option to be upgraded to the manual lock hub. In that case, the driver will have to get down, rotate the knob to lock or unlock. The driver will have to decide when to shift between 2WD and 4WD. The primary function of the front locking hub on F is to turn the vehicle on 2WD or 4WD when necessary.
When the van needs to have light driving or not carrying much weight, it shifts to 2WD. This allows spending energy on the front wheels and letting the other two wheels spin.
It helps the Van to work properly and lightly. Sometimes F might be used to carry a bit of weight. However, some of these newer vehicles still allow for manual operation as a backup in case the automatic locking hubs fail.
Older 4WD vehicles had manual locking hubs and were referred to as "part-time" 4x4 because the half axles moved freely of each other like a 2WD car. On these models you had to exit your vehicle to turn a dial on the hub of each front wheel from "free" to "lock" and then get back in and set your transmission into the "neutral" position before engaging 4x4.
It is not uncommon to "lock in" the hubs during winter snowfall and drive around until you need to put the vehicle into 4x4 mode. Some models were made as "full-time" 4x4. On these models the front axle turned freely as one unit until the 4x4 was engaged, but you still had to put your vehicle into the "neutral" position to engage 4x4. There are manufacturers like Warn www. Manual locking hubs are sought for off-road enthusiasts.
The manual nature of locking the hubs provides controlled operation of the vehicles in different terrain. Hannah Scott has been a freelance writer for more than 12 years.
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