What does a grinding metallic noise when pressing the brake pedal usually mean?
Answer and explanation
Correct answer: B. The brake friction pads are completely worn down to bare metal backing plates
- Step 1: Metal-on-metal brake noise. Step 2. Grinding noise indicates friction material is gone and steel backing plates are gouging the brake discs; stop immediately. Answer: The brake friction pads are completely worn down to bare metal backing plates. Why not the others: Overfilling does not grind; ABS calibration is silent; stretched cable causes loose handbrake lever.
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