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  • Helpdesk code:
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    Brake Discs
    Spring Brake Caliper
    Brake Pad Wear Sensor
    Brake Pads
    Brake Drum
    Brake Disc Back Plate
    Slave Cylinder, Clutch
    Brake Shaft / Equipment
    Repair kit, brake caliper
    Air Filter Retarder
    Adjusting Bolt
    Brake Caliper Adjuster Rod
    Bolt, Brakeshoe
    Drum Brake Lining
    Brake Adjuster Springs
    Camshaft Bearing
    Exhaust valve
    Brake Shoe Sleeve
    Brake fluid reservoir
    Brake Shaft Bush
    Brake Caliper Bolt
    Spring-loaded Cylinder
    Diaphragm Brake Cylinder
    Brake shaft
    Brake Caliper Repair Kit
    Brake Adjuster
    Brake Servo
    Park Brake Actuation
    Brake Padel Travel Sensor
    Parking Brake Gas Spring
    Parking Brake Crank
    Brake Camshaft
    ABS Relay
    Brake Hose Holding Bracket
    Brake System Control Unit
    Accessories, brake shoe
    Engine Brake
    Retarder Repair Set
    Brake Caliper Cover
    Parking Brake Caliper
    Brake Shaft Bearing
    Brake Line Holder
    ABS Sensor Cable
    Wheel Speed Sensor Clamping Sleeve
    Brake Caliper Chain
    Brake Shoe Pin Set
    Brake pipes
    Brake Caliper Carrier
    Disc Brake Pad Accessory Kit
    Brake Hose
    Brake Fluid Reservoir
    Brake Caliper
    Guide sleeve set, brake caliper
    Parking Brake Cable
    Brake System Accumulator
    Brake Disc Bolt
    Drum Brake Adjuster
    Brake Shoe Accessory Kit
    ABS Wheel Speed Sensor
    ABS Sensor Ring
    Wheel Brake Cylinder
    Brake Vacuum Pump
    Wheel Brake Cylinder Repair Kit
    Brake Master Cylinder Repair Kit
    Brake Caliper Piston
    Master Cylinder
    Parking Brake Shoes
    Brake Caliper Guide Sleeve Kit
    Caliper Slide Pin
    Brake Caliper holder
    Brake Shoes
    Brake Booster / Servo
    Brake Power Regulator

    Brakes

    The brakes of a modern car are capable of bringing the vehicle to an immense deceleration in a very short time and distance. They are supported by various electronic systems.

    Modern cars are equipped with disc brakes. A metal disc mounted behind the wheel is slowed down when you press the brake pedal. Simply put, this converts kinetic energy into heat energy. In other words: the brake pads that slow down the brake disc must withstand high temperatures without wearing out too quickly. Brake pads do wear down and must be replaced regularly.

    Keramic brakes

    Sports cars sometimes have ceramic brake discs (for example, the Porsche 911). This type of brake disc is unaffected by heat and extremely wear-resistant. As a result, these brakes can withstand very heavy and prolonged use without experiencing “fading.”

    Fading

    Fading (English for “dying away” or “disappearing into the background”) occurs when the braking performance decreases due to heavy, prolonged use. You will need to press the pedal deeper to achieve the same braking effect, and noticeably less deceleration occurs. By this stage, the brakes have usually already been smelling for a while. Under normal driving conditions, fading will not occur.

    Brakes: diagonally split circuit
    For maximum safety, the braking system is diagonally split. In other words, there are two hydraulic lines, each operating one front wheel and one rear wheel. Should one of the two systems fail or leak (the braking system is hydraulic and works with brake fluid), the car will still brake using at least one rear wheel and particularly one front wheel. This is important because most braking power comes from the front brakes, as the vehicle’s weight shifts forward during braking. Therefore, the front brake pads wear out faster than the rear ones.

    ABS

    ABS stands for anti-lock braking system. Sensors at the wheels detect when a wheel is about to lock up (for example during an emergency stop or braking on snow or ice). When this happens, a computer slightly reduces the brake pressure so that the wheel does not lock completely. This keeps the car steerable at all times while achieving the shortest braking distance.

    ABS originates from the aviation industry and has been used in cars since the 1980s. The first car to come standard with ABS was the Ford Scorpio. Today, ABS sensors are used for many additional functions that support braking. For example, traction control uses these sensors to achieve the opposite effect: maximizing grip without wheel spin on driven wheels.

    Brake Assist

    Brake Assist is a braking aid system that detects emergency situations based on how the brake pedal is pressed. In an emergency, Brake Assist automatically builds up maximum brake pressure at lightning speed, ensuring the strongest possible braking force. ABS ensures that the wheels do not lock.

    Hill Hold

    As the name suggests, Hill Hold prevents the car from rolling backward when stationary on a slope as you release the brake to drive off. It is essentially an electronic version of the “hill start assist” technique.

    ESP

    ESP stands for Electronic Stability Program. It ensures that the car remains controllable in dangerous situations. It attempts to keep the car from skidding (as much as possible) by braking the four wheels independently — and at the correct moment — and by reducing engine power. It reacts extremely quickly. ESP has been mandatory for all new vehicle models introduced since 2011. Models that were already approved before then and still sold new had to be equipped with ESP from November 1, 2014.

    ESP has several control units:

    • Wheel speed sensors measure how fast the wheels rotate

    • A lateral acceleration sensor measures the sideways movement of the car

    • A steering angle sensor measures how far the front wheels are turned

    If the values measured by these sensors exceed certain limits, the car “knows” it is about to skid. The system will then instruct the engine management to reduce power. The ABS pump receives the command to brake the appropriate wheels. All these actions are processed and executed within milliseconds.

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    Straelseweg 52, 5911 CR
    Venlo
    The Netherlands

    Willem de Rijkelaan 15a, 5616 HH
    Eindhoven
    The Netherlands

    info@porza.nl
    085 401 1901
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