Transfer Cases are found on
four-wheel drive and all-wheel drive vehicles. This gearbox divides the
transmission power output between the rear differential and the front
differential. Most transfer cases allow the front wheels to be disengaged and
spin freely during normal driving conditions. When desired, power is
transferred to all four wheels.
Transfer case fluid provides
lubrication to gears, bearings, shafts, and other internal components. Heat,
pressure and friction slowly breakdown the additives in the transfer case
fluid. In addition, small particles of metal may come off the gears as they
wear and these metal particles can mix with the fluid. Fluids can also become
contaminated with water.
- draining the old transfer case fluid, and
- filling the transfer case with the manufacturer’s recommended type and quantity of new fluid.
Photo Credit: "troymckaskle"
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