ASE A4 · Suspension & Steering
Wheels & Tires
Wheel and tire service: reading wear patterns, checking size and ratings, mounting and balancing, runout and vibration diagnosis, and TPMS testing and relearn.
- Questions on the A4 test
- 5
- Share of the test
- 13%
- GearheadPass questions
- 24
- With exhibits
- 6
What this area covers
ASE's task list for Wheels & Tires on the A4 Suspension & Steering 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.
- Tire wear patterns and condition
- Size, load and speed ratings
- Vibration, shimmy and tire pull
- Wheel and tire runout
- Rotation, mounting and balancing
- TPMS testing and relearn
How to study it
- This area carries 5 of the A4 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.
- 2 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.
- Always confirm specifications in the vehicle manufacturer's service information. Test questions assume you would.
Free practice quiz
5 Wheels & Tires questions with explanations
All 24 Wheels & Tires questions are in the app
Plus a full-length A4 mock, flash cards, and English or Spanish on every question.
More A4 content areas
A4 · 12 questions on the test
Steering
Steering column, gear and linkage diagnosis and repair, including power and electric assist systems, airbag precautions, pump and fluid service, and tie rods and idler arms.
A4 · 12 questions on the test
Suspension
Front and rear suspension diagnosis and repair: control arms, ball joints, springs, struts, shocks, stabilizer bars, wheel bearings, subframes and electronically controlled suspension.
A4 · 11 questions on the test
Wheel Alignment
Diagnosing pull, wander and steering return concerns, then measuring and adjusting alignment angles and recalibrating related electronic systems.