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Axle shafts rotate in bearings in order to operate with a minimum of friction and to bear the weight of the vehicle. They have to be lubricated and also need to be protected from dirt, debris, and grime. Grease catches and holds these contaminants, which then grind into the bearings, reducing lifespan significantly.
To prevent this from happening, and to retain grease within the bearing while the axle is turning at a high rate of speed, wheel seals are used. The wheel seal is pressed in place over the wheel bearing, allowing a pocket of lubricant to encapsulate the bearing. The axle shaft fits through the wheel bearing and the wheel seal fits snugly around the axle to create the pocket the grease sits in. The rubber lip on the wheel seal can weather and crack causing grease to leak. Also, dirt and debris can cause premature wear if they are in contact with the seal.
Due to their location, wheel seals can be difficult to monitor and inspect. Have one of our expert mechanics ensure that your wheel bearing seals are in good shape and to take corrective action if damage or if a leak is spotted.
The wheel seal prevents dirt and debris from damaging your wheel bearing. If the wheel bearing becomes damaged, it can become unsafe to operate your vehicle. Have a leaking wheel seal replaced by one of our expert mechanics as soon as it is discovered.