Traction, Tyres and Brakes

If the brake pedal sinks to the floor, the most likely cause is:

Reviewed on 9 Aug 2026

Question image: If the brake pedal sinks to the floor, the most likely cause is:
  • ✓ A brake fluid leak
  • B Air in the circuit (spongy pedal)
  • C Worn brake pads
  • D Tyres with low pressure

Why this is the correct answer

A pedal that sinks is usually due to a brake fluid leak. The fluid level and system should be checked before continuing.

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