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The rear wheels don't want Tammington, the original car is equipped with this, garbage, 60,000, half of the front wheels, less than one-third of the rear wheels, and the grinding disc is serious. The original factory is dusty, it is said that the ash is good, and the grinding disc that does not fall ash is not lost, but how to explain the rear wheel Tammington, both ash and grinding disc. The repair shop recommends TRW, I heard that the original front wheel is TRW, which is more durable.
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How to maintain car brake pads.
Brake shoes, commonly known as brake pads, are consumables, which will gradually wear out in use, and must be replaced when worn to the limit position, otherwise it will reduce the effect of braking and even cause safety accidents.
Brake shoes are life-threatening and must be treated with care.
Most cars use the front disc rear drum brake structure, under normal circumstances, the front brake shoe wears relatively quickly, and the rear brake shoe is used for a relatively long time, and the following aspects should be paid attention to in the daily inspection and maintenance:
1.Under normal driving conditions, every 5000 kilometers of the brake shoe is inspected, not only to check the remaining thickness, but also to check the state of the shoe wear, whether the degree of wear on both sides is the same, whether the return is free, etc., and the abnormal situation must be dealt with immediately.
2.Brake shoes are generally composed of two parts: iron lining plate and friction material, and you must not wait for the friction material part to wear out before replacing the shoes. For example, the front brake shoes of the Jetta have a thickness of 14 mm, while the limit thickness of the replacement is 7 mm, including more than 3 mm of iron lining and nearly 4 mm of friction material.
Some vehicles have a brake shoe alarm function, once the wear limit is reached, the instrument will alarm to prompt the shoe to be replaced. The shoes that have reached the limit of use must be replaced, even if they can be used for a period of time, it will reduce the effect of braking and affect the safety of driving.
3.When replacing, the brake pads provided by the original spare parts should be replaced, only in this way can the braking effect between the brake pads and the brake disc be the best and the wear and tear should be minimal.
4.When replacing the shoes, a special tool must be used to push the brake cylinder back. It cannot be hard pressed back with other crowbars, which can easily cause the brake caliper guide screw to bend and make the brake pads stuck.
5.After replacing the shoe, be sure to step on the brake a few times to eliminate the gap between the shoe and the brake disc, resulting in the first foot without braking, which is prone to accidents.
6.After the brake shoe is replaced, it needs to be run in for 200 kilometers to achieve the best braking effect, and the newly replaced shoe must be driven cautiously.
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Bosch.
The Bosch Group is one of the world's top 500 multinational companies, founded in 1886 by Robert Bosch in Stuttgart, Germany. The Bosch brand stands for the development of automotive safety systems and forward-looking technologies. Bosch established itself as a leader in vehicle braking technology with the launch of the world's first ABS anti-lock braking system and ESP electronic stability program in 1978 and 1995 respectively.
Bosch has a complete range of brake pads in the aftermarket, with more than 170 formulations and numerous models for different parts of the world. Bosch braking systems are specified as original equipment by almost all car manufacturers worldwide.
How to buy brake pads:
1. Look at the friction coefficient, the friction coefficient determines the basic braking torque of the brake pad, too high will cause the wheel to lock up, lose control of the direction and burn the pad during the braking process, and if it is too low, the braking distance is too long.
2. Second, it depends on safety, brake pads will produce instantaneous high temperature during braking, especially when driving at high speed or emergency braking, the friction coefficient of the friction pads will decrease at high temperature.
3. See whether it is comfortable, including braking feeling, noise, dust, smoke, odor, etc., which is a direct embodiment of friction performance.
4. Looking at the service life, usually the brake pads can ensure the service life of 30,000 kilometers.
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1st place: Bosch** (Shanghai)**** (Bosch) 2nd place: Guangzhou MASUMA auto parts**** (MASUMA) 3rd place: Federal-Mogul (China)**** (Firodo).
Fourth place: Shanghai Tianhe Automobile Safety System **** (TRW) Fifth place: Jiaozuo Jinhong brake **** (Jinhong) Sixth place:
Shandong Golden Kylin Co., Ltd. (Golden Kylin) Seventh Place: Zibo Zhongkuang Automobile Safety Device Technology Development **** (Leopard Making) Eighth Place: Beijing Somai Century Science and Technology Development Co., Ltd. (Somai) No. 9:
Shandong Nabaichuan Auto Parts Manufacturing**** (Zuo'an) No. 10: Zhejiang Lamda brake pads**** (Lamda) Thank you!
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I haven't seen the answer to the question you asked, do you mean brake pads, there are at least 100 brake pad brands in the Chinese market.
Better brands: Tymington, Dr., Gates, Firodo, etc., but can you make sure you can buy the real thing?
It is recommended to go to the physical store to replace it, there is a problem, there is an after-sales service.
Most of the brake pads are used without problems, and can only be reflected in very special situations such as sudden braking (emergency) and frequent braking (long mountain slopes). The testing of brake pads is tested by a professional testing agency. And when we are in use, the normal vehicle decelerates and stops, then the brake pads are no problem.
Therefore, it is meaningless to be entangled in the quality of a certain kind of brake pad, which can only be tested by a professional testing agency.
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Now the asbestos material has basically been eliminated. There are three main categories on the market: "multi-metal brake pads", "less metal brake pads", and "organic brake pads".
According to the actual use effect, the last category, that is, the "organic brake pad" has the best performance, such as the popular ceramic fiber brake pad.
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1st place: Bosch** (Shanghai)**** (Bosch) 2nd place: Guangzhou MASUMA auto parts**** (MASUMA) 3rd place: Federal-Mogul (China)**** (Firodo).
Fourth place: Shanghai Tianhe Automobile Safety System **** (TRW) Fifth place: Jiaozuo Jinhong brake **** (Jinhong) Sixth place:
Shandong Golden Kylin Co., Ltd. (Golden Kylin) Seventh Place: Zibo Zhongkuang Automobile Safety Device Technology Development **** (Leopard Making) Eighth Place: Beijing Somai Century Science and Technology Development Co., Ltd. (Somai) No. 9:
Shandong Nabaichuan Auto Parts Manufacturing**** (Zuo'an) No. 10: Zhejiang Lamda brake pads**** (Lamda) Thank you!
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What to look at.
If it is a Japanese car, it is not recommended to use the brake pads of European or American manufacturers, and if it is a European or American car, it is not recommended to use the brake pads of Japanese brake pads, and the brake pads are particular, and they should be applied according to the car.
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Brake pads are mainly divided into the following categories: asbestos brake pads (basically eliminated), semi-metallic brake pads, less metal brake pads, NAO formula brake pads, ceramic brake pads, and NAO ceramic brake pads. The biggest difference between ceramic brake pads and traditional brake pads is that there is no metal.
In traditional brake pads, metal is the main material that produces friction, which has a large braking force, but wears a lot and is prone to noise. After installing ceramic brake pads, there will be no abnormal noise (i.e. scraping sound) during normal driving. Because ceramic brake pads do not contain metal, they avoid the metal noise of traditional metal brake pads rubbing against each other (i.e. brake pads and brake discs).
The coefficient of friction is the most important performance index of any friction material, which is related to the braking ability of the brake pad. In the process of braking, due to the heat generated by friction and the increase of working temperature, the friction material of general brake pads is affected by temperature, and the friction coefficient begins to decrease. In practical applications, friction is reduced, which reduces braking action.
The friction material of ordinary brake pads is immature, and the friction coefficient is too high, resulting in unsafe factors such as loss of direction control, burning pads, and scratching brake discs during braking. Even when the temperature of the brake disc reaches 650 degrees, the friction coefficient of the ceramic brake pads is still around, which can ensure that the vehicle has good braking performance.
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Answer: Brake pads are generally composed of steel plates, adhesive insulation layers and friction blocks, and the materials are mainly metal, NAO and ceramic, as well as asbestos, which have basically been eliminated due to the presence of harmful substances. At present, the more famous brake pad brands are Bosch, Firodo, Brembo, Tymington, Trina, etc., relatively speaking, Bosch is a relatively good brake pad brand, reliable quality, superior performance, cost-effective, has a high popularity.
Bosch, a Fortune 500 company, is a world-renowned brake manufacturer with factories all over the world, and its products are produced according to strict quality standards. Whether in the field of individual components or complete systems, Bosch guarantees a high market coverage. It has a complete range of brake pads, and its products are designated as original parts by the world's major automobile manufacturers.
Brake pads will inevitably wear and tear during the use of the car, the car has a total of 4 front and rear brake pads, if the front and rear brake pads need to be replaced, then how much are these 4 brake pads? Brake pads are different according to the brand, model and material, and they are also divided into front and rear.
Taking Bosch brake pads as an example, the front brake pads of the Japanese model Toyota Corolla NAO material are about 240 yuan, and the rear brake pads are about 200 yuan, that is, the 4 brake pads of the whole vehicle are generally about 440 yuan. You can also replace it yourself, but it is more troublesome, you need to disassemble the tire, it is recommended to go to the store to replace it, you need to pay a certain amount of working hours, about 50-100 yuan.
Specifically, it can be divided into the following points: High coefficient of friction stability: In the case of high temperature, pressure and speed, the friction coefficient of the brake pad needs to be high enough and have sufficient stability. >>>More
At present, the brake pads made of ceramic materials are relatively good, with good brake performance, durability and stable use, which is more expensive.
There are many good brands, such as Golden Kirin, Xinyi, Bosch, Tianhe, etc., to buy brake pads, the first to look at the friction coefficient, the second to see the safety, the third to see the automatic comfort, is to see the service life of the brake pads.
There are generally two reasons for serious brake pad wear: >>>More