Many owners in the purchase of vehicle consider four wheel disc brakes as an important reference standard,not four disc brakes do not buy, and some even put the car's rear drum brakes converted into a disc. In fact, there is no need to do so, because the disc brake and drum brake each have their own characteristics,reasonable use of drum brake and disc brake is to balance economic and performance is the best choice in the compact car.
Brake drum brake is larger, better durability, so often mounted on a truck, but due to the thermal attenuation, multiple hard braking braking force decrease. Disc brake while braking force no drum brake is big, but because of its good heat dissipation, thermal decay less, more reliable.
Due to the front wheel brake assume more power to the rear wheels, braking force required is not so high, so in many compact models above common to mix drum front brake, in fact this is a combination of the economy is the most practical. Many drive with front and rear disc brakes, but also the front brake discs, behind a small number of. The front is hollow dish, followed by the solid plate and so on.
I believe that many car owners have experienced brake abnormal sound problems, netizens different opinions on this issue, some say normal, some say is not the brake pads wear. In fact, these two arguments are not wrong, but is the situation may vary.
Disc brake with stationary brake disc clamp with the rotation of the wheel disc brake friction force generated by the rotation of the wheels and a brake device, speed reduction. When the brake pedal, the brake piston pump can be pushed in, thereby establishing the pressure in the brake circuit, brake oil pressure through transfer to the brake calipers brake branch pump piston, push the brake clamping disc brake,making the brake plate and friction brakes, to reduce the speed purposes.
According to the working principle of disc brake, the brake pad and brake disk brake by mutual friction, texture than the brake disc brake soft, so the brakes became vulnerable components. In order to prevent the brake pads wear no later loss of vehicle braking force, designers have installed a called terminal identification of things on the brakes.
Distinguish themselves "creak" sound is actually very easy.if you buy a new car, or just for brakes, it is normal. If your car driving 2 years you can be observed through the brake disc thickness to determine whether you need to replace. If the brake pad and the brake disc are normal, then consider checking vacuum booster pump and brake general pump.
Sometimes in the confirmation of the disc brake failure, and other components are also no problem situations, feel the brake does not live relatively loosely and hand-brake. Then you have to check the drum brake for you.
The rotating element of drum brake brake drum, the fixing element is brake shoe, brake shoe in the actuating device under the action of friction plate outward rotation, the outer surface of the pressure on the brake drum on the inner cylindrical surface, the brake friction torque on the drum.
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CReader V is a practical, easy to use fault code reader, enabling you to read and erase fault codes and view real time in Digital and Graph form datastream from even the latest vehicle engine Managment systems. Works on all EOBD2 compliant vehicles (Petrol vehicles from 2001 and Diesels from 2004) CreaderV is newly developed by LAUNCH, specially designed for car owners or DIYs to diagnose any vehicle that is compliant to OBDII/EOBD. It not only can read/clear DTCs, but also can read live data in 2 modes, and perform many special tests. Tri-languages make it operation easily for a technician. The feature of upgrading online ensures it can test new model cars and/or functions in the future.
Functions of CReader V:
Large OBD2 database built in, displays the trouble code on the screen (P code and definition)
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Plug and play technology, no external power needed
Supplied with 16 pin OBD2 connector, lead, USB update cable
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