Front

DIAGNOSIS AND TESTING - HUB AND BEARING (FRONT)
The front hub bearing is designed for the life of the vehicle and requires no type of periodic maintenance. The following procedure may be used for diagnosing the condition of the front hub bearing.
With the wheel, disc brake caliper, and brake rotor removed, rotate the wheel hub. Any roughness or resistance to rotation may indicate dirt intrusion or a failed hub bearing. If the hub bearing exhibits any of these conditions during diagnosis, the hub and bearing will require replacement. The bearing is not serviceable.
Damaged bearing seals and the resulting excessive grease loss may also require bearing replacement. Moderate grease weapage from the hub bearing is considered normal and should not require replacement of the hub and bearing.
To check for excessive hub runout, Refer to DIAGNOSIS AND TESTING.