The front axle shaft seal is what prevents the fluid in your differential from leaking out around the axle. The differential delivers engine power from your transmission to the wheels, and allows your wheels to move. Accordingly, it needs to be lubricated, as does your axle. The front axle shaft seal mounts into the axle shaft tube or the differential case depending on design, and prevents the internal fluid from leaking out. If the front axle shaft seal becomes compromised, transmission fluid will leak and possibly damage the transmission or differential.
The front axle shaft seal does not require maintenance, though it can fail unexpectedly. If there is a problem with your front axle shaft seal or any other part of your drive train, have it diagnosed and corrected by one of our expert mechanics.
You should never neglect any type of fluid leak. If the front axle shaft seal is compromised, you could end up leaking transmission fluid, and at some point your transmission will seize up. You’ll incur costly repairs or have to replace the transmission entirely. A small leak can be monitored closely and managed, but if you’re losing a lot of fluid, get the front axle shaft seal replaced as soon as possible.
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