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What does the car brake piston mean?

2 Answers

OFaith

07/29/25 5:20am

Car brake piston is a reciprocating component in the cylinder block of a car engine. The basic structure of the piston can be divided into the top, head, and skirt. The following is a detailed introduction about car brakes: 1. Brake: Brake, also known as deceleration, refers to the action of stopping or reducing the speed of running locomotives, vehicles, and other transportation tools or machinery. The brake device is a mechanical braking device that can slow down the speed of the vehicle, also known as a decelerator. 2. Brake system: The brake system consists of a control system, hydraulic system, and power assist system. The control system includes the pedal, handbrake, etc. The hydraulic system is composed of hydraulic oil, brake pump, and hydraulic oil pipes. The power assist system is the vacuum booster pump. The electronic control system consists of ABS pump, ABS sensor, and ABS computer. The execution system is composed of brake calipers, brake pads, and brake discs.

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JeffreyMarie

08/12/25 8:56am

As a car enthusiast, I understand that brake pistons are key components inside the caliper. When you press the brake pedal, the master cylinder sends hydraulic pressure to the piston, which then pushes the brake pads against the rotor, using friction to slow the car down. These pistons are typically made of cylindrical metal and feature a sealing ring to prevent fluid leaks. If the piston gets corroded or stuck, the brakes may feel spongy or unresponsive. Many modern cars now use multi-piston designs, with smaller pistons for quick response and larger ones for greater stopping power. When I replaced my brake pads, I found the piston wouldn't retract and had to gently push it back using a tool, otherwise it would affect braking performance. Remember to regularly check your brake fluid and piston condition—don't wait until you hear strange noises to address issues, as that could lead to accidents.

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Which country does Geely belong to as a car brand?

Geely is a Chinese car brand. As a Chinese independent automotive brand, Geely primarily manufactures SUVs and sedans. Currently, Geely Auto's product lineup includes SUV series represented by models such as Boyue, Binyue, and Yuanjing, as well as sedan series featuring Borui, Emgrand, and Binrui. Additionally, Geely Holding Group now owns six automotive brands: Geely, Lynk & Co, Volvo, London Electric Vehicle Company (LEVC), Proton, and Lotus. The Geely Borui is a mid-to-large-sized sedan under Geely Auto, with exterior dimensions of 4956mm in length, 1861mm in width, and 1513mm in height, featuring a wheelbase of 2850mm. This 4-door, 5-seater sedan comes equipped with a 6-speed automatic transmission and offers both naturally aspirated and turbocharged engine options.

How Many Cylinders Does the Geely Emgrand Engine Have?

Geely Emgrand adopts a four-cylinder engine. Below is the relevant introduction of Geely Emgrand: Power: Equipped with a 1.5L naturally aspirated engine, paired with a 5-speed manual transmission and a continuously variable transmission, delivering a maximum horsepower of 109, a maximum power of 80 kW at 6000 rpm, and a maximum torque of 142 Nm at 4400 rpm. Body Dimensions: Geely Emgrand is a compact car under Geely Auto, with exterior dimensions of 4632mm in length, 1789mm in width, and 1470mm in height, a wheelbase of 2650mm, and a body structure of a 4-door, 5-seater sedan.

What is the emission standard for 2014 vehicles?

2014 vehicles comply with the China V emission standard. The China Fifth Stage Motor Vehicle Pollutant Emission Standard, abbreviated as the 'China V Standard,' has an emission control level equivalent to the Euro 5 emission standard currently implemented in Europe. It imposes stricter limits on motor vehicle emissions such as nitrogen oxides, hydrocarbons, carbon monoxide, and particulate matter. From China I to China IV, each upgrade in the standard reduces vehicle pollution by 30% to 50%. The following is an introduction to the implementation years of emission standards: 1. China I Standard: Nationwide implementation on July 1, 2001, mainly targeting restrictions on carbon monoxide, hydrocarbons, and particulate emissions. 2. China II Standard: Nationwide implementation on July 1, 2004, requiring a 30% reduction in carbon monoxide and a 55% reduction in hydrocarbons and carbon oxides. 3. China III Standard: Nationwide implementation on July 1, 2007, requiring a 40% reduction in total pollutant emissions compared to China II. 4. China IV Standard: Nationwide implementation on July 1, 2010, requiring a 50% to 60% reduction compared to China III. 5. China V Standard: Nationwide implementation on January 1, 2018, requiring a 25% reduction in nitrogen oxide emissions compared to China IV. 6. China VI Standard: China VIa nationwide implementation on July 1, 2020, and China VIb nationwide implementation on July 1, 2023.

How long after window tinting can ETC be installed?

It is recommended to wait one month after applying window tint before installing an ETC device, because the film on the windshield generally takes about a month to fully dry. If the ETC is installed before the film has completely dried, it may cause partial detachment of the film from the glass. However, some brands of film can dry completely in about a week. Therefore, in practice, it is necessary to analyze the situation flexibly based on actual conditions. Here is some relevant information about car window tinting: 1. The main functions of car window tinting are radiation protection and energy saving. The solar film blocks sunlight, especially infrared and ultraviolet radiation, effectively controlling the greenhouse effect formed in the sealed cabin, significantly reducing the fuel consumption of the car's air conditioning, thereby achieving energy-saving effects. 2. It can effectively block solar heat, thereby reducing the load on the air conditioning system, improving fuel efficiency, alleviating the load on the car engine, preventing fading and aging of items inside the car, and protecting the owner's skin from harmful UV rays. It also helps maintain eye comfort and reduces accidents caused by glare. Due to the one-way transparency of solar film, it can also serve the purpose of protecting personal privacy.

What engine does the Geely Emgrand have?

Geely Emgrand is equipped with a 1.5L naturally aspirated engine and a 1.3T turbocharged engine. The 1.5L naturally aspirated engine has a maximum power of 109 horsepower and a maximum torque of 140 Nm, paired with a 5-speed manual transmission; the 1.3T turbocharged engine has a maximum power of 133 horsepower and a maximum torque of 185 Nm, paired with a 6-speed manual transmission. The Geely Emgrand is a compact sedan under Geely Auto, with a body size of 4632mm in length, 1789mm in width, and 1470mm in height, a wheelbase of 2650mm, and a minimum ground clearance of 152mm.

What is the battery model of the Geely Emgrand?

The battery model of the Geely Emgrand is 55D23L, with a capacity of 12V60AH. The Geely Emgrand is positioned as a compact car, with body dimensions of 4632mm in length, 1789mm in width, and 1470mm in height, and a wheelbase of 2650mm. In terms of power, the Geely Emgrand is equipped with a 1.5-liter inline 4-cylinder naturally aspirated engine, paired with either a 5-speed manual or CVT continuously variable transmission, delivering a maximum power of 80kW, maximum horsepower of 109PS, and maximum torque of 140Nm. The 1.5-liter engine reaches its maximum power at 6000rpm and maximum torque at 4400rpm, with a multi-point fuel injection system.

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