Title: Diagnose wheel bearing noises, wheel shimmy, and vibration concerns; determine needed action.
Course: Automotive Technology III (20104-III) > Section: Brakes: Related Systems (i.e., Wheel Bearings, Parking Brakes, Electrical) Diagnosis and Repair

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.

ASE Education Foundation
2017 Automobile Service Technology (AST) Level
V. Brakes
F. Related Systems (i.e., Wheel Bearings, Parking Brakes, Electrical) Diagnosis and Repair
Task 1

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 possible causes for wheel bearing failure?