The transfer case is a vital component that lets the driver shift the vehicle in and out of the four-wheel drive feature. The transfer case is usually lubricated with gear oil and the input shaft seal retains the fluid.
Transfer case input shaft seal importanceThe transfer case is crucial to both the front and rear axles because it transmits power to the axles. Proper lubrication to the transfer case is necessary to prevent overheating or internal damage. The transfer case input shaft seal keeps the fluid from leaking and maintains lubrication throughout the transfer case.
Common issues with a faulty transfer case input shaft sealA faulty transfer case input shaft seal can lead to overheating, leaking, or low fluid levels.