2. Contamination Prevention These seals also prevent the ingress of contaminants such as dirt, dust, and moisture, which could otherwise compromise the functionality of the machinery.
There are several signs that indicate a rear hub seal may be failing. One of the most common symptoms is a leak of oil around the rear wheels. This can often be seen as a puddle of oil forming underneath the car, or as oil splattered on the inside of the wheels. It is crucial to address this issue promptly, as leaking oil can not only damage the axle components but also pose a safety hazard due to reduced traction.