GMC 88927028 Rear Wheel Bearing

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To remove the axleshaft and oil seal, use a bearing extractor or custom tool. After removing the bearing, clean its recess. Drive in the new bearing using tubing against its outer race. Lubricate with gear oil, ensuring bearing numbers are visible from the casing's outer end. Replace the old oil seal and reinstall the axleshaft.

To remove the axleshaft and oil seal, you will first need a bearing puller. Attach the puller to the slide hammer, the bearing can be extracted from the axle housing. After removing the bearing, the recess should be cleaned out. The new bearing can then be installed using a bearing installer or a piece of pipe against the outer bearing race. Ensure that the bearing is tapped in fully and that the numbers are visible from the outer end of the axle housing, and then install a new oil seal before reattaching the axleshaft.

Properly adjusted bearings should have a slightly loose feeling and should never be preloaded.

Slightly pull the hub/disc assembly out and push it back to facilitate the removal of the outer bearing. Subsequently, detach the hub/disc assembly from the spindle and use a screwdriver to pry out the seal from the rear of the hub, taking note of its installation.

The bearing puller can be attached to the slide hammer.

While the vehicle is securely supported on jack stands, you can inspect front wheel bearings by spinning the wheel and checking for noise, rolling resistance, or excessive free play.

Ensure the new bearing is lubricated with gear lubricant and tapped into the full depth of its recess, with the bearing numbers visible from the outer end of the casing.

A new oil seal should be installed.

After removing the outer bearing, proceed to remove the inner wheel bearing, clean all components thoroughly with solvent, and meticulously inspect the bearings and races for damage.

If there is damage to the bearing races, replace any defective bearing races at a machine shop if necessary, ensuring that old bearings are not installed on new races.

A new oil seal should be installed.

The front wheel bearings should be checked whenever the front wheels are raised for any reason.

Subsequently, use high-temperature front wheel bearing grease to pack the bearings and apply a thin coat of grease to designated spindle areas. Add grease inboard of each bearing race inside the hub, forming a dam with your finger to contain excess grease.

A new oil seal should be installed.