How to Replace a Trailer Bearing
- 1). Jack the trailer tire up a few inches off of the ground. Use the lug nut wrench to remove the lug nuts holding the wheel on the axle and slide the wheel off the wheel studs.
- 2). Use the screwdriver to pry the grease seal (the cylindrical knob in the middle of the hub) out of the hub's center then use the pliers to pull the cotter pin out of the castle nut under the grease seal.
- 3). Use the socket wrenches to remove the castle nut and pull the hub assembly off of the spindle. Use the screwdriver to pry the bearing unit out of the middle of the hub. Pack the bearing cups with a light coating of bearing grease before installing the new trailer bearing.
- 4). Slide the new bearing unit in the center of the hub and slide the hub back onto the spindle, followed by the castle nut. Tighten the castle nut with the socket wrenches just tight enough to seat the bearings solidly to the spindle. Reinstall the grease seal by lightly tapping it into place with the hammer.
- 5). Remount the wheel on the wheel studs and lower the trailer off the jack.
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