Abs accumulator for your car
Suspension spheres for Top models
- BMW 3 Series Brake accumulator
- Brake accumulator VW GOLF
- Abs accumulator BMW 5 Series
- AUDI A4
- MERCEDES-BENZ C-Class Brake accumulator
- Brake accumulator FORD FOCUS
- Abs accumulator MERCEDES-BENZ E-Class
- BMW 1 Series
- FORD FIESTA Brake accumulator
- Brake accumulator AUDI A3
- Abs accumulator AUDI A6
- VAUXHALL ASTRA
- VW POLO Brake accumulator
- Brake accumulator VW TRANSPORTER
- Abs accumulator VW PASSAT
- MINI Hatchback
- HONDA CIVIC Brake accumulator
- Brake accumulator NISSAN QASHQAI
- Abs accumulator VAUXHALL CORSA
- FORD MONDEO
Other Brakes auto parts
Your Abs accumulator worn out? » Read more about common malfunctions • Repair • Replacement manual
Brakes with new comfort
The pressure accumulator is a component used in modern brake systems for heavy duty vehicles. This component is part of electro-hydraulic braking systems. They are the further development of conventional braking systems. Electro-hydraulic brakes demonstrably offer more safety and comfort. Sometimes referred to as SBC brake systems, they enable a reduction in braking distance of up to 22% compared to conventional hydraulic braking systems. This is made possible by an electronic support of the braking system. It expands the conventional braking system by a number of additional components. Therefore, SBC brakes have only found use in upper-class sedans and high-quality sports cars thusfar.
Pressure whenever you need it
The pressure accumulator maintains the full brake pressure in a braking system. It is a closed tank, which is filled with harmless nitrogen. Should the braking system fail due to an electronics failure, a valve opens at the tank and a one-time emergency braking can be initiated.
Operation of the SBC brake system is fully electronic and functions by means of a sensorial system that is very different from conventional brakes. An electro-hydraulic brake "feels" just like a conventional, purely hydraulic braking system. However, the perceived pressure at the brake pedal is merely simulated. It has nothing to do with the actually performed transmission of force. In normal operation, this is no problem. Yet, if, for example, the ABS system is actuated, the shaking movements of the front wheels are no longer transferred to the brake pedal. Vehicles with ABS but without SBC frequently lead to a fright reaction of the driver when the anti-lock system is actuated. Yet, SBC ensures uniform and controllable braking, even when ABS is actuated.
Pressure accumulator defects
It is untypical for the brake's pressure tank to become defective. Stone chippings can cause scratches, which in turn lead to rust. In the worst case, it will rust through, which disables the tank's effectiveness. If a pressure tank ever becomes sufficiently damaged for a replacement to become necessary, it's no problem. The device is easily accessible and only connected to a vehicle and its braking system by a few screws and pressure lines. The seals are the real vulnerability of the pressure tank. Nitrogen is a lightweight and very volatile gas. If it escapes through a leak, the pressure tank completely fails in its effect. Although, in this case, the pressure tank can be sent to a specialist for refurbishing, the low prices of spare parts make a complete replacement of the pressure tank a far more sensible measure. At a price much below 200 euro, the pressure accumulator is also a pretty inexpensive spare parts. This, however, does not apply to the entire electro-hydraulic brake system.
Caution prior to emergency operation
A complex system such as an electro-hydraulic braking system can only be operated with a complex control software. For one, it receives countless data from the various sensors. In addition, the software always also calculates the age of the various components. If the software, for example, calculates the end of life of the SBC pressure valve, it will stop the entire vehicle via an emergency operation. The same applies to the pressure accumulator. To make matters worse, works on an SBC brake system are very different from repair of conventional, hydraulic brake systems due to the complexity of the system. Amateur repair attempts by hobby mechanics can easily lead to serious injury, because high pressure is built up and maintained in the SBC brake system. Also, many settings of the software must be made after the installation. The necessary equipment is normally only found in a specialist workshop.
Pressure tank in trucks
Unlike the case in cars, pneumatic braking systems have been used in many trucks for decades. They are equipped with very large pressure gas tanks to provide brakes with sufficient pressure. With a capacity of up to 30 liters, it only makes sense to equip trucks with these large-volume containers. In recent years, these pressure tanks have been made of aluminum. Thus, they have become quite low maintenance and very secure.
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