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Replacing the front hub seal is a relatively straightforward process, but it does require some knowledge of vehicle maintenance and basic tools. The first step is to lift the vehicle and support it securely on jack stands. Next, remove the wheel and brake caliper to access the front hub assembly. Carefully remove the old seal using a seal puller or a flathead screwdriver, being careful not to damage the hub or bearings.
The percentage of an oil seal refers to its ability to effectively prevent leakage. A higher percentage indicates a better sealing capacity, with 100% being the ideal value. However, in reality, achieving a perfect seal is often challenging. Therefore, oil seals with percentages ranging from 25% to 35% are commonly used in applications where a high level of sealing performance is required.
The importance of a well-functioning hub seal cannot be overstated
hub seal. A compromised seal can lead to lubricant loss, causing excessive wear on moving parts, increased friction, and potential system failure. It can also allow contaminants to enter, leading to damage, corrosion, and reduced efficiency. Therefore, regular inspection and maintenance of hub seals are crucial aspects of preventive maintenance programs.

Additionally, axle hub seals act as barriers to contaminants
. Dirt, mud, and moisture are inevitable in many driving conditions, especially for off-road vehicles. If these contaminants penetrate the axle housing, they can cause significant damage by mixing with the lubricant, leading to increased wear and tear, corrosion, and ultimately, catastrophic failure of the axle system.