Title: Diagnose universal joint noise and vibration concerns; perform necessary action.
Course: Automotive Technology III (20104-III) > Section: Manual Drive Train and Axles: Drive Shaft and Half Shaft, Universal and Constant-Velocity (CV) Joint Diagnosis and Repair (Front, Rear, All-Wheel, and Four-Wheel Drive)

Diagnosis should include checking the universal joint drive operation (e.g., for locked-up or worn condition).

ASE Education Foundation
2017 Automobile Service Technology (AST) Level
III. Manual Drive Train and Axles
D. Drive Shaft and Half Shaft, Universal and Constant-Velocity (CV) Joint Diagnosis
and Repair (Front, Rear, All-wheel, and Four-wheel Drive)
Task 2

Process/Skill Questions:

- What is the procedure for checking universal joint failures?
- What is the procedure for checking drive shaft imbalance?
- How are driveline angles aligned?