Technical and Vehicle Safety
Which sound is a classic warning sign of worn brake pads?
- ○A low rumbling noise at high speed
- ✓A high-pitched squealing or grinding noise when the brakes are applied
- ○A rattling noise from the exhaust when decelerating
- ○A clicking sound when turning the steering wheel
Correct answer
A high-pitched squealing or grinding noise when the brakes are applied
Most modern brake pads have a metal wear indicator that produces a squealing sound when pads are thin; a grinding noise means the pads are fully worn.
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