The transfer case output shaft seal can be found on the transfer case of 4WD vehicles. The transfer case seal keeps any fluid from escaping the transfer case and maintaining the internal components lubricated.
Transfer case output shaft seal operationThe transfer case output shaft is what links the driveline to the differential. Without the transfer case output shaft seal, fluid would leak and the internal component of the transfer wouldn't receive proper lubrication. The seal is vital to the transfer case as well as the transmission because the fluid allows the vehicle to shift properly.
Common issues with a faulty transfer case output shaft sealA faulty transfer case output shaft seal can lead to fluid leaking, difficulty shifting gears, and uncommon noises.