Diagnosis should include
- the ability to locate and isolate faulty wheel bearings
- an understanding of noise, vibration, and harshness (NVH)
- a description of tools used to address NVH.
Process/Skill Questions:
- Why might a vehicle need to be road-tested?
- How would a technician isolate a noise during and after a road test?
- What are some causes for wheel bearing failure?