ASE A3 · Manual Drive Train & Axles
Drive/Half Shaft & U/CV Joints
Servicing drive shafts and half shafts on front- and rear-drive vehicles: noise and vibration diagnosis, U-joints and CV joints, balance, runout, working angles and wheel bearings.
- Questions on the A3 test
- 5
- Share of the test
- 13%
- GearheadPass questions
- 19
- With exhibits
- 7
What this area covers
ASE's task list for Drive/Half Shaft & U/CV Joints on the A3 Manual Drive Train & Axles test groups into these tasks. Expect diagnosis-first questions: what's the most likely cause, what should be checked next, and which technician is right.
- Shaft and joint noise and vibration
- U-joints, CV joints and boots
- Center support bearings
- Shaft balance and runout
- Driveshaft working angles
- Wheel bearings, seals and hubs
How to study it
- This area carries 5 of the A3 test's questions (13%). Give it study time in proportion.
- Work the free questions first, then read every explanation, including the ones you got right; the reasoning is what transfers to new questions.
- 1 of the 5 free questions here are Technician A/B items. Judge each statement on its own before you pick A only, B only, Both or Neither.
- 1 free question uses an exhibit. Read the exhibit's numbers before the answer options.
- Always confirm specifications in the vehicle manufacturer's service information. Test questions assume you would.
Free practice quiz
5 Drive/Half Shaft & U/CV Joints questions with explanations
All 19 Drive/Half Shaft & U/CV Joints questions are in the app
Plus a full-length A3 mock, flash cards, and English or Spanish on every question.
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