Bearings Inspection Hub

Carefully and thoroughly inspect all drive unit parts before assembly. Thorough inspection of the drive parts for wear or stress with subsequent replacement of worn parts eliminates costly drive component repair after assembly.

Important: Bearings and cups are matched sets. Replace both bearing and cup when either part requires replacement.

Bearings Inspection Wheel Bearing Cup

1. Remove the rear wheel hub (11).
2. Remove the rear wheel bearing cup (12).

Using a brass drift and a small hammer, alternately tap on the opposite sides of the rear wheel bearing cup inner edge until the bearing cup is free from the wheel hub.

1. Install the rear wheel bearing cup. Position the rear wheel bearing cup in the rear wheel hub.
2. Using a brass drift and a small hammer, alternately drive against the opposite sides of the rear wheel bearing cup outer edge in order to drive the bearing cup in squarely (12).
3. Ensure that the rear wheel bearing cup seats firmly against the hub shoulder.
4. Install the rear wheel hub (11).

Bearings Inspection Wheel Bearing Seal

For on-vehicle service of the rear wheel hub bearing seal, refer to Bearings Inspection .

Tools Required

1. Remove the rear wheel hub (11). Refer to Bearings Inspection .
2. Remove the rear wheel hub bearing seal retainer (15).

2.1.	Tap around the outside diameter of the seal retainer (15) with a hammer in order to stretch the metal.

2.2.	Use a blunt chisel in order to cut into the rear wheel bearing seal retainer inner flange. The rear wheel bearing seal retainer will be loose enough for removal.

3. Clean the spindle shoulder and the threads. Use Brake Parts Cleaner GM P/N 12345754 or equivalent.
4. Remove the burrs from the spindle shoulder.

1. Apply Silicone Sealer (RTV) GM P/N 1052366 or equivalent to the spindle shoulder. Apply a thin layer.



2. Install the new rear wheel bearing seal retainer onto the spindle shoulder.

2.1.	Place the rear wheel bearing seal retainer and tool on to the rear axle spindle.

2.2.	Tap the end of the tool until the rear wheel bearing seal retainer contacts the rear axle spindle shoulder.

2.3.	Rotate the tool and tap several times in order to ensure complete bottoming of the rear wheel bearing seal retainer.

2.4.	Wipe off the excess sealer.

3. Ensure that the edge of the rear wheel bearing seal retainer is parallel and flush with the rear axle spindle shoulder face.
4. Install the rear wheel hub.