Front Axle Hub Assembly: Inspection

Check the hub for cracks and spline for wear.
Check the oil seal for damage.
Check the knuckle for cracks.
Check for defective bearing.
NOTE: If the meshing of the wheel bearing outer race and the knuckle, or of the wheel bearing inner race and the hub, is loose, replace the bearing or damaged parts.

Check the front hub and brake disc mounting surfaces for galling and contamination.
Check the knuckle inner surface for galling and cracks.
Check for defective bearing.