What will happen if the rear wheel pump leaks oil.
The following consequences can occur if the brake pump leaks oil:
1, if the brake pump appears oil leakage phenomenon, then it is recommended to stop driving at this time. The leakage of the brake subpump will reduce the braking force and extend the braking distance.
2, the brake pump is what we usually call the brake caliper, and the brake caliper can be seen through the wheel rim. The brake caliper holds the brake skin in place. After the brake pedal is pressed, the brake fluid pushes the piston inside the brake caliper, so that the brake skin can rub against the brake disc and reduce speed.
3, some brake calipers have one piston, some have two, and some have four pistons. Then the brake system is divided into main pump and sub-pump. After opening the engine cover, you can see that a black round thing is fixed on the fire wall, which is called the vacuum booster pump, and there is a small oil can on the pump, so this is the place where the brake oil is installed. Brake oil cannot be used all the time and needs to be replaced after a period of use.
4, after stepping on the brake pedal, the vacuum booster pump will amplify the force that the driver acts on the brake pedal. If the brake pump leaks oil, it needs to be repaired in time.
How to clean the brake pump
Before cleaning, owners need to check the brake pads (disc) or brake pads (drum) and brake oil. Because they are an important central part of the entire brake system, if the thickness of the brake pads (discs) or brake pads (drums) is found to be close to or less than the minimum thickness specified by the manufacturer, replace them immediately. Check the brake pads at the same time, also check the brake disc or brake drum wear. For example, when the contact surface is depressed, it is necessary to contact the disc or drum immediately to ensure the contact area with the brake pad and improve the braking force. For cars braking through the oil circuit, check the fluid level of the brake oil before leaving the car. If the oil level drops, check the brake oil line for leaks immediately. Brake fluid absorbs moisture from the air, so it fails after a while. You can also disassemble and clean the piston of the brake pump to replace the brake oil. The brake pump does not return, simply put, even if you do not step on the brake pedal, you still feel the resistance of the car is very large. If strictly prohibited, it may make an abnormal sound and the wheel may lock. If the brake oil is not replaced for a long time, which affects the internal rust of the brake booster pump, it can be repaired with sandpaper and butter. If it is the fault of the pump itself, it is likely to be replaced directly. The brake pump does not need to be cleaned, only the return screw is cleaned. Brake pump is an indispensable chassis brake component in the brake system, the main function is to push the brake pads upward, so that the brake pads friction brake drum. Slow down and stop. After the brake is pressed, the main pump generates thrust to change the oil pressure into the auxiliary pump oil pressure, and the internal piston of the auxiliary pump begins to act under the oil pressure and push the brake pad. The hydraulic brake consists of a main brake pump and a brake oil tank. They're connected to the brake pedal, they're connected to the brake tube. The brake pump stores brake oil and has an outlet and suction inlet.
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