Question 8003
To increase the pressure in the brake circuit if the brake system pump fails, as a first option…
- you must pull hard on the parking brake.
- you must press the brake pedal repeatedly and firmly.
- you must use engine braking.
Show answer and explanation
Correct answer: you must press the brake pedal repeatedly and firmly.
If you press the brake pedal and it sinks without resistance, the first thing to do is press it several times in quick succession, quickly and firmly. This can restore pressure in the brake circuit or activate the secondary brake. It does not always work. If the car still does not brake, shift down so the engine slows it, and once you are going slowly, use the parking brake, pulling gently, because a hard yank can lock the wheels.