How to Solve Hard Car Brakes?

2 Answers
JosiahDella
09/07/25 4:17am
Solutions for hard car brakes are as follows: 1. Related to braking before engine shutdown: The car's braking system functions optimally 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 stops working, and typically, the remaining vacuum force is depleted after about 3 pedal presses, resulting in a hard brake feel due to the lack of assistance. Solution: In this case, 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. 2. Leakage or malfunction of the car's brake booster: If you haven't pressed the brake pedal after the engine was turned off, or if you notice the brake pedal is hard to press while driving, it's likely due to a malfunctioning brake booster, possibly caused by a vacuum tube leak or blockage. Solution: If this issue is detected before driving, it's safest to avoid driving and have the car inspected at a repair shop. If the problem arises while driving, stay calm, prioritize slowing down to a stop, and try pressing the pedal multiple times to see if braking can be restored. Applying more force usually allows some braking power to be maintained.
Was this review help?
15
2
Share
StReed
09/19/25 3:41am
As a seasoned driver with years of experience, I've encountered the issue of brakes becoming stiff several times, and my experience tells me it needs immediate attention. The most common causes are a leaking vacuum booster pump or insufficient brake fluid with air trapped in the system, leading to poor performance. Once during a long trip, my brakes suddenly became stiff and hard to press. I immediately pulled over, popped the hood to check for cracks or loose connections in the booster pump hoses, and verified the brake fluid reservoir level was within the normal range. If it's a brake fluid issue, it's best to take it to a professional shop for bleeding or fluid replacement—don't attempt it yourself to avoid risks. By the way, regular maintenance like changing brake fluid every two years or so can significantly reduce such sudden failures. Remember, safety comes first. If the brakes feel off, don't keep driving—towing it to a repair shop for a thorough inspection is the smart move.
Was this review help?
3
0
Share
Expand All
More Forum Discussions

Does driving through when the front wheels cross the line in the last second of the yellow light count as running a red light?

Driving through when the front wheels cross the line in the last second of the yellow light does not count as running a red light. According to China's traffic regulations, vehicles that have already crossed the stop line when the yellow light is flashing are allowed to proceed. However, it is generally advised not to force through at the last second, as this is a very dangerous behavior. In such a situation, the vehicle should be stopped immediately to wait for the next green light. If the vehicle has just crossed the line and the driver does not continue to move the vehicle, keeping it stationary, the traffic authorities will not consider it as running the light. There is a three-second transition time between the yellow light turning on and the red light turning on. Electronic police operate 24 hours a day, but they do not capture images when the yellow light is on; they start capturing images only when the red light turns on.
12
2
Share

How are the license plates ABCD EF arranged in Guizhou?

Here is the detailed introduction to Guizhou license plate numbers: 1. Gui A - Guiyang, Gui B - Liupanshui, Gui C - Zunyi, Gui D - Tongren, Gui E - Qianxinan Buyi and Miao Autonomous Prefecture, Gui F - Bijie. 2. Gui G - Anshun, Gui H - Qiandongnan Miao and Dong Autonomous Prefecture, Gui J - Qiannan Buyi and Miao Autonomous Prefecture. More details are as follows: 1. The vehicle registration authority code consists of 2 characters, including a Chinese character and an English letter. The Chinese character is the abbreviation of the province, autonomous region, or municipality directly under the central government, while the English letter represents the code of the vehicle management office. 2. For car license plates, the vehicle registration authority code is located in the center at the top of the plate, with the Chinese character and English letter arranged horizontally. For motorcycle license plates, the vehicle registration authority code is located on the left side of the plate, with the Chinese character and English letter arranged vertically.
19
4
Share

What does front mean?

On a car's air conditioning system, "front" refers to the function of defogging the front windshield. It is usually represented by a fan-shaped symbol with several upward wavy arrows and the word "FRONT" at the bottom. Similarly, "REAR" indicates the button for defogging the rear windshield. Here are some additional details: 1. While driving, when there is a significant temperature difference between the inside and outside of the car, fog may form on the windshield, which can severely obstruct the driver's view. In such cases, you can press either the "FRONT" or "REAR" button, depending on whether the fog is on the front or rear windshield, to remove the fog. 2. When driving, it's also important to pay attention to the use of the internal and external air circulation systems. If you're driving for an extended period, it's advisable not to keep the internal circulation on continuously, as this prevents fresh air from entering the car, which is not good for the occupants.
13
0
Share

What brand of car is AIRBAG?

AIRBAG is not a car brand, but a type of airbag. Generally, models equipped with steering wheel airbags will have the AIRBAG label. Areas marked with SRS or AIRBAG inside the car indicate where the airbags are folded and stored. More details are as follows: 1. The protection principle of airbags is: when a car experiences a certain level of collision force, the airbag system triggers a chemical reaction similar to a small dose of explosive detonation. 2. At this point, the hidden airbags inside the car inflate and deploy instantly, cushioning the impact between the occupants and the car's interior equipment before collision occurs, thereby reducing the force exerted on the body and minimizing occupant injuries.
15
1
Share

What does the parking brake pedal mean?

The parking brake pedal is the vehicle's parking brake. In Toyota vehicles, the parking brake is designed in the form of a pedal, located at the far left of the brake and accelerator pedals, replacing the manual parking brake on the center armrest. Related details are as follows: 1. The parking brake of a motor vehicle refers to the manually operated brake installed in the vehicle, which can be used to stabilize the vehicle after it comes to a stop, preventing the vehicle from rolling on slopes. 2. The parking brake of a motor vehicle is located below the driver's right hand for easy access. In some models, the parking brake is equivalent to an electronic parking brake system.
3
2
Share

What is the Function of a Car Exhaust Valve?

The function of a car exhaust valve is to allow a portion of the exhaust gases to recirculate back into the combustion chamber. This small amount of exhaust gas helps lower the temperature inside the cylinder during combustion. Since NOX (nitrogen oxides) are produced under high-temperature and oxygen-rich conditions, this process inhibits NOX formation, thereby reducing NOX emissions in the exhaust. Hazards of a Damaged Exhaust Valve: It loses its oil-gas separation function, causing oil to be sucked into the combustion chamber along with the intake air. This leads to oil burning and blue smoke emissions. Additionally, if the exhaust valve malfunctions or is damaged, it cannot properly control the exhaust gas recirculation rate. Excessive exhaust gas recirculation affects the air-fuel mixture concentration, resulting in difficulties starting the engine, engine shaking, unstable idling, poor acceleration, and overall reduced engine performance. Causes of Exhaust Valve Damage Include: Poor quality of the exhaust valve itself. Improper maintenance. Low-quality fuel.
19
2
Share
Cookie
Cookie Settings
© 2025 Servanan International Pte. Ltd.