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Wheel Bearings Diagnosis

Step

Action

Yes

No

1

Did you review the General Description and perform the necessary inspections?

Go to Step 2

Go to Symptoms - Suspension General Diagnosis

2

Road test the vehicle in order to verify the customer's complaint.

Does the vehicle operate normally?

System OK

Go to Step 3

3

  1. Raise and support the vehicle. Refer to Lifting and Jacking the Vehicle .
  2. Inspect for tyre or wheel damage.

Did you find and correct the condition?

Go to Step 7

Go to Step 4

4

  1. Install the CH-39570 chassis ear.
  2. Road test the vehicle to verify the location of the wheel bearing noise.

Did you find and correct the condition?

Go to Step 6

Go to Step 5

5

    Note: Support the vehicle by the lower control arms or the rear axle to prevent movement during wheel bearing/hub inspection.

  1. Mount and secure the J-8001 dial indicator.
  2. Ensure that the dial indicator contacts the vertical surface of the wheel as close as possible to the top wheel stud.
  3. Push and pull on the top of the tyre in order to inspect the total travel indicated by the dial indicator.
  4. Specification
    Maximum allowable wheel bearing end play: 0.127 mm (0.005 in)

Is the measurement greater then the specified value?

Go to Step 6

System OK

6

Replace the wheel bearing. Refer to Front Wheel Bearing and Hub Replacement or Rear Wheel Bearing and Hub Replacement .

Did you complete the repair?

Go to Step 7

-

7

Road test the vehicle to verify the repair.

Does the vehicle operate normally?

System OK

Go to Step 3

   


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