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Axle & Drivetrain System | Axle & Drivetrain Information Parts | Video of Axle & Drivetrain

The axle bearing is located at the end of the axle tube and is lubricated by rear differential fluid. The bearing also rides on the surface of the axle. When the gear oil becomes low or if the fluid is contaminated, the bearing may not lubricated sufficiently. This causes excessive heat around the bearing and the heat causes the metal to become pitted or worn, especially on the axle. Axle bearings are usually accessed by removing the brake drum and the axle, then removing the axle bearing seal. If the surface of the axle has become worn due to the worn bearing, both the axle and bearing will require replacement.

Axle & Drivetrain Information - Houston's Premier Auto Repair Facility