Why is the brake suddenly hard to press and the car won't start?

2 Answers
GeorgeMarie
07/28/25 9:05pm
When the car won't start, it means the engine cannot be ignited, which results in the brake pedal being difficult to press. This is most likely due to a leak in the vehicle's brake booster pump or a component malfunction, and it is necessary to promptly visit a professional repair shop for inspection and maintenance. There are two key techniques for braking: 1. When there is sufficient braking distance, slowly and continuously press the brake pedal to decelerate evenly. As the car is about to come to a stop, gradually release the brake pedal until it is fully lifted when the car is completely stationary. 2. When following another vehicle, ensure a safe distance from the car in front. The key braking technique here is to press the brake pedal gently, maintain braking force, and then adjust the pressure based on the speed of the car in front.
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LeHope
08/12/25 1:46am
I once experienced a situation where the brakes suddenly became very hard and couldn't be pressed, and the car wouldn't start. I remember it was raining that day when I drove out, and the brakes felt like a stone that couldn't be pushed. When I turned the key, the engine wouldn't start either, which made me panic. Later, I thought about it and realized that battery issues are the most common cause. This is because the brake booster system relies on engine vacuum to function. If the engine isn't running, there's no vacuum assist, making the brakes naturally hard. Failure to start is often caused by a dead battery, starter motor issues, or problems with the ignition key. I checked whether the battery terminals were loose or corroded and found that they were indeed loose. A jump-start solved the problem. I recommend developing a habit of checking the battery before driving, especially in winter when battery maintenance is crucial. During regular maintenance, have a technician thoroughly test the related circuits to prevent sudden failures that could affect safety.
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