Transfer Case Assembly

Used & Rebuilt Transfer Case Assembly

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TRANSFER CASE

What is a Transfer case?

The transfer case is part of an internal system within your vehicle which manages the application of force, especially in multiple powered axle vehicles like those with four- and all-wheel drives. It transfers power from the transmission to the front and rear axles through drive shafts and synchronizes the difference between the rotation of the front and rear wheels, and may contain one or more sets of low range gears for off-road use. By the time the mechanical energy and movement reach the transfer case, the transmission would have already adjusted the gear settings and set the stage for the wheels. From there, the transfer case takes that energy and turns it into a rotational movement that turns the axles and the wheels. If you have four-wheel-drive or all-wheel drive (AWD) in your vehicle, the transfer case is going to be part of the drivetrain. Its function is to transfer power between the axles to help the vehicle get maximum traction on wet, snowy or icy roads. It is also involved in the determination of how your vehicle performs in different kinds of road conditions.

When to replace your Transfer case

A transfer case is an integral part of all vehicles especially for four-wheel drive vehicles and it is always at work as long as the car is running, whether it’s engaging 4WD or not. Due to this constant activation, wear and tear is inevitable and you must be ready to address it the moment it rears its ugly head. Inspecting the transfer case fluid every time you get an oil change is a good practice to stay aware of the state of your vehicle’s transfer case.You can do this yourself or have a technician handle this. Some of the common symptoms of a bad transfer case are fluid leaks,contamination, metal particles, and dark colouring. If you notice any of these while changing your oil, your transfer case needs immediate repair or replacement.

Some other common signs that you might notice while driving if you have a faulty transfer case are-

1.Trouble Shifting Between Gear Ranges While Driving – This is typically an indication that your vehicle has internal transfer case failure and is in need of replacement.

2.Vehicle’s 4WD Won’t Engage Or Disengage – There are many reasons why a vehicle’s 4WD system won’t engage or disengage – from a faulty shift mechanism on the front axle, to an electrical fault in the control system. But it could also be an indication of a possible internal problem with the transfer case itself and it is best if it’s checked out.

3.Transfer Case Keeps Popping Out Of 4WD – This could mean an external problem with either the differential or driveshaft or an internal transfer case concern and so it’s best to get your vehicle diagnosed by a specialist.

4.Puddle Formation Directly Under The Transfer Case – This is a definite sign of a leak. In most cases this leak would be originating from the transfer case. You can verify that the leak is coming from the transfer case by jacking up your car and visually inspecting it. You will be able to see it at the rear-end part of the transmission or trans axle assembly.If the leak is gradual, as they often are, you may not see a puddle, but over a period of time, the transfer case can become dangerously low on oil, leading to the destruction of internal components. This takes longer than a manual transmission to appear because unlike manual transmissions, transfer cases have an oil pump.

5.Abnormal Grinding, Growling Or Humming Noises – The presence of such strange noises that weren’t there before while driving, especially the ones that change with the speed of the vehicle could be an indication that you have a bad transfer case.