ASE A5 · Brakes
Disc Brakes
Disc brake diagnosis and service: calipers, slides and pads, rotor measuring and machining, installation and burnishing, wheel bearings, and brake versus tire vibration.
- Questions on the A5 test
- 11
- Share of the test
- 24%
- GearheadPass questions
- 34
- With exhibits
- 6
What this area covers
ASE's task list for Disc Brakes on the A5 Brakes 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.
- Hydraulic and mechanical disc faults
- Caliper removal, slides and pistons
- Pads and retaining hardware
- Rotor measuring, machining or replacement
- Installation, bleeding and burnishing
- Wheel bearings and vibration diagnosis
How to study it
- This area carries 11 of the A5 test's questions (24%). 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 Disc Brakes questions with explanations
All 34 Disc Brakes questions are in the app
Plus a full-length A5 mock, flash cards, and English or Spanish on every question.
More A5 content areas
A5 · 19 questions on the test
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The largest A5 area: master cylinders, lines and hoses, valves and switches, bleeding and brake fluid, vacuum, hydro-boost and electronic power assist, and parking brakes.
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Drum Brakes
Drum brake diagnosis and service: hydraulic and mechanical faults, drum measuring and machining, shoes and hardware, wheel cylinders, adjustment and wheel bearings.
A5 · 10 questions on the test
ABS/TCS/ESC
Diagnosing electronic brake controls (ABS, traction control and stability control): warning lights, scan tool and meter tests, sensors, bleeding, module setup and related systems.