What's the situation when the car's brakes are too hard to stop the vehicle?
1 Answers
Reasons for hard-to-press brakes: Braking before engine shutdown: The vehicle's braking system operates at maximum efficiency when the engine is running, with the brake booster being the key component that amplifies the force applied to the pedal. When the engine is off, the brake booster ceases to function, typically depleting its residual vacuum force after about three pedal presses. Thus, the sensation of hard brakes is essentially due to the lack of assistance from the brake booster. Solution: In this scenario, simply restart the engine and firmly press the brake pedal again. Once the engine is running, the brake booster will resume operation, and the brake pedal will return to normal. Brake booster malfunction: If the car's brake booster is leaking or malfunctioning, and you haven't pressed the brake pedal after turning off the engine, or you notice the brake pedal is unusually hard to press while driving, it's likely due to a faulty brake booster, possibly from a leaking or clogged vacuum tube. Solution: If this issue is detected before driving, it's safest to avoid driving and have the vehicle inspected at a repair shop immediately. If the problem arises while driving, remain calm, prioritize slowing down to a stop, and attempt multiple pedal presses to see if braking can be restored. Applying strong pressure often helps engage the braking force.
