How to Install an Axle-Saver Bearing

The rear axle bearing in most two-wheel-drive vehicles comprises the roller bearings and the grease seal. Leakage from the rear bearing may occur for two reasons: a worn or damaged seal may leak lubricant, or excessive axle wear at the point where the bearings contact the axle may allow seepage. The second scenario sounds a lot more expensive, but sometimes a special axle-saver bearing can bail you out for only a few dollars. An axle saver is a slightly longer bearing which repositions the bearing rollers so they contact the axle on a nonworn area outside the wear caused by the original-equipment bearings. This provides a smooth riding surface for the bearing, reinstates the seal and prevents lubricant leakage. Installing an axle saver bearing involves the basic rear axle bearing removal and replacement procedure common to most two-wheel-drive vehicles.

Instructions

1

Jack up the rear wheels of the vehicle and place it on jack stands. Remove the rear wheels.

2

Loosen the bolts on the differential cover plate and allow the gear lubricant to drain into a drain pan.

3

Remove the differential cover plate.

4

Unscrew the pinion shaft lock bolt.

5

Instruct an assistant to push in slightly on the outer end of the axle at the wheel while you remove the C-lock from the groove in the inner end of the axle shaft inside the differential.

6

Pull the axle shaft straight out from the wheel.

7

Use a bearing-removal slide hammer -- commonly available for renting or borrowing at many auto parts stores -- to remove the OEM rear bearing. Insert the foot of the slide hammer through the hole in the bearing so its fingers grip the bearing from behind. Slide the weighted grip on the slide hammer rearwards to slowly walk the bearing out of the axle housing.

8

Pack the axle-saver bearing with manufacturer's recommended bearing grease.

9

Clean out the bearing recess in the axle housing.

10

Place the axle-saver bearing into the recess and tap it into place using a bearing installer or a large socket or length of pipe approximately the same diameter as the bearing. When fully installed, the axle-saver bearing will protrude slightly from the bearing recess.

11

Clean grease and other residue from the bearing surface of the axle shaft and polish the area lightly with emery cloth. Lubricate the bearing surface with a thin coat of bearing grease.

12

Reinstall the axle and replace the differential cover. Add the manufacturer's specified amount of gear oil to the differential.