Theory Mastery

Defect uitlaat roest ophangring schrapend geluid

The dashboard does not automatically flag a broken bulb. Exhaust: rust can make it leak after years (audible noise through rust holes); worn rubber mounting rings can let the exhaust come loose (a scraping sound while driving) — repair or replace asap. Tyres: air tyres slowly lose pressure, so check it regularly.

Source: WVW 1994 art. 5 · checked 2026-10-23

How the exam asks it

While pulling out of a parking area in Bussum you steer sharply. You hear a clear thumping sound from the front wheel, only while steering like that. What is most likely going on?

  1. Worn brake pads rubbing against the brake disc
  2. A broken CV joint on the drive shaft
  3. A loose exhaust knocking against the underside
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Correct answer: A broken CV joint on the drive shaft

False — worn brake pads are heard as a grinding sound while braking, not as thumping when steering. Thumping on sharp steering points to the CV joint of the drive shaft

Why learners get this wrong: A thumping sound from the front wheel when steering sharply comes from worn brake pads.

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In Scherpenzeel you hit a kerb hard last week. Now you feel a slight vibration in the steering wheel and see that the left front tyre is wearing unevenly. What is the most likely cause?

  1. Bent suspension, so the wheels no longer track correctly
  2. Far too low tyre pressure in the left front tyre
  3. A defective brake cylinder at the left front wheel of the car
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Correct answer: Bent suspension, so the wheels no longer track correctly

False — uneven wear after hitting a kerb does not point primarily to pressure. Steering vibration plus unevenly wearing tyres point to bent or shifted suspension: the wheels no longer track

Why learners get this wrong: Uneven tyre wear is always caused by incorrect tyre pressure.

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Statement: if one of your indicator bulbs is broken, a dashboard warning will always appear for it.

  1. True
  2. False
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Correct answer: False

Why learners get this wrong: If a lighting or indicator bulb is broken, a warning automatically appears on the dashboard.

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While braking at a junction in Naarden the brake pedal feels 'spongy' and the car pulls slightly to the left. Which statements are correct per the book? (multiple answers possible)

  1. You should have the car checked as soon as possible
  2. The spongy pedal suggests a probable defect in the brake cylinder
  3. This is ordinary brake-pad wear; only a grinding sound would be a problem
  4. Pulling to one side while braking points to a defect in the brake system
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Correct answer: You should have the car checked as soon as possible; The spongy pedal suggests a probable defect in the brake cylinder; Pulling to one side while braking points to a defect in the brake system

Why learners get this wrong: A 'spongy'-feeling brake pedal is ordinary wear and does not need to be checked immediately.

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Statement: a green valve cap on your tyres is a legal requirement.

  1. True
  2. False
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Correct answer: False

Why learners get this wrong: A green valve cap on the tyres is a legal requirement.

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