Tapered Roller Bearing Diagnosis

The following procedure describes how to inspect the wheel bearing for excessive looseness.

If excessive wheel bearing looseness is present, adjust the wheel bearings. Refer to FRONT WHEEL BEARINGS.

If excessive looseness is still present after adjustment, inspect the wheel bearings.

Consider the following factors when diagnosing the wheel bearing condition:

• General condition of the following parts during disassembly and inspection:
  • Wheel bearings
  • Races
  • Seals
  • Lubricant
  • Steering Knuckle
• Classify the failure of the wheel bearing with the aid of the illustrations.
• Determine the cause of the wheel bearing failure.
• Replace the damaged parts.