The transfer case shifter shaft seal maintains the fluid from leaking into the transmission from the input shaft.
Transfer case shifter shaft seal operationThe transfer case shifter shaft seal is vital because it prevents any fluid from accessing the transmission. The risk of a leak in the drivetrain can be bad for the differential because certain features will fail like shifting between 2WD and 4WD. The seal is an excellent component when it is in good working order, but over time the seal is vulnerable to wear and causes a lot of problems to the engine.
Common problems with a faulty transfer case shift sealA transfer case shifter shaft seal can lead to overheating, leaking, or the engine won't function at all.