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What Are the Effects of Severe Brake Disc Wear?

1 Answers
KaiRose
07/25/25 2:33pm
The effects of severe brake disc wear are as follows: 1. Reduced braking power. 2. Brake vibration and abnormal noises. 3. Damage to the brake disc, leading to premature and excessive wear. 4. In severe cases, it may damage the braking system. Methods to determine whether the brake disc needs replacement are as follows: 1. Listen for sounds. If abnormal noises occur when lightly applying the brakes, it indicates the brake pads have exceeded their limit and must be replaced immediately. 2. Check the thickness. Most brake discs have wear indicators. When the total wear depth on both sides reaches 3mm, it is recommended to replace the brake disc promptly.
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More Forum Discussions

Is a Roof Box on a Sedan Illegal?

Installing a roof box on a sedan is not illegal. Relevant information is as follows: 1. Note: Regulations stipulate that for passenger cars, the height of cargo loaded on the roof rack must not exceed 0.5 meters from the top of the car, and the total height from the ground must not exceed 4 meters. If either of these limits is exceeded, the driver may be fined by traffic police. 2. Introduction: A roof rack is a device installed on the roof of a car for carrying items, thereby increasing the interior space. Roof racks are convenient for carrying a large number of items when traveling. 3. Effect: Installing a roof rack increases the vehicle's wind resistance, which in turn increases fuel consumption. Therefore, if it is not used for a long time, the roof rack should be removed. Roof racks are suitable for mid-sized and large vehicles such as commercial vehicles and SUVs.
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What does car tone mean?

Car tone refers to the sound settings, which can adjust the bass, midrange, and treble for music genres like rock, jazz, symphony, and pop. Related introduction: 1. Expansion of car button functions: Autohold is the automatic parking function button; OK and SEL keys are menu selection confirmation buttons, located on the multifunction steering wheel; AC button is the compressor switch, which is the air conditioning cooling switch. 2. Introduction to other function keys: VOL is the button for adjusting volume up and down; MUTE is the mute button; MODE is the mode switching button; SET on the multifunction steering wheel is the cruise control function button; INFO is the information display function key.
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How long does it usually take for ETC to deduct fees after exiting the highway?

ETC usually deducts fees directly after exiting the highway, with the latest deduction occurring within 5 working days. ETC is an Electronic Toll Collection system used for automatic toll collection on highways or bridges. It is a service function of intelligent transportation systems, composed of an automatic vehicle identification system, central management system, and auxiliary facilities. The role of ETC is: through dedicated short-range communication between the on-board electronic tag installed on the vehicle's windshield and the microwave antenna on the ETC lane at the toll station, using computer networking technology to perform background settlement processing with the bank, enabling vehicles to pay highway or bridge tolls without stopping when passing through highway or bridge toll stations.
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What is the 0-100 km/h acceleration time of the Audi RS7?

According to official data, the Audi RS7's 0-100 km/h acceleration time is 3.6 seconds. Factors affecting a vehicle's 0-100 km/h acceleration time are as follows: Torque: Torque, in layman's terms, represents how much force is available. The greater the torque, the more force is available to propel the vehicle, resulting in naturally faster acceleration. The Audi R8 has a maximum torque of 570 Nm and a 0-100 km/h acceleration time of 3.1 seconds. The Audi RS7 has a torque of 800 Nm and a 0-100 km/h acceleration time of 3.6 seconds. Transmission efficiency: The transmission is the medium for power delivery, inevitably involving power loss. The higher the transmission efficiency, the better the acceleration performance. Generally, transmission efficiency ranks as follows: manual transmission > dry dual-clutch transmission > wet dual-clutch transmission > AT transmission > CVT transmission. The Audi RS7 is equipped with an 8-speed automatic manual transmission (AT). Power-to-weight ratio: The relationship between horsepower and vehicle weight is called the power-to-weight ratio (unit is Hp/T). The higher the power-to-weight ratio, the faster the acceleration. The Audi R8 has a power-to-weight ratio of 373 Hp/T and a 0-100 km/h acceleration time of 3.1 seconds. The Audi RS7 has a power-to-weight ratio of 171 Hp/T and a 0-100 km/h acceleration time of 3.6 seconds.
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How Long Can Shanghai National IV Emission Vehicles Continue to Be Driven?

Shanghai National IV vehicles can continue to be driven as long as they are in good condition. Below is an introduction to National IV standards: 1. Introduction: The National IV emission standard is China's fourth-stage motor vehicle pollutant emission standard. The main pollutants emitted by vehicles include HC (hydrocarbons), NOx (nitrogen oxides), CO (carbon monoxide), and PM (particulate matter). 2. Basics: China's vehicle emission standards have been upgraded annually: On July 1, 2004, the National II emission standard was implemented nationwide. 3. Issues: During the 2010 'Two Sessions,' Chen Hong from SAIC mentioned in a proposal: 'The phenomenon of fuel quality consistently lagging behind vehicle emission standards has persisted in China for many years, with fuel that meets emission requirements not being supplied to the market in sync.'
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Should You Depress the Clutch When Driving a Manual Car Downhill?

When driving a manual car downhill, you should not depress the clutch. Coasting with the clutch depressed can easily damage the release bearing and increase fuel consumption. The correct operation for a manual car when going downhill is to slow down and shift to a lower gear before approaching the slope, keeping the gear in 1st or 2nd. Use engine braking to control the speed while descending, with light foot braking as an auxiliary. A manual transmission car is one that uses a manual gear-shifting mechanical transmission to regulate speed, requiring the driver to manually move the gear lever to change the gear engagement inside the transmission, altering the gear ratio to achieve speed changes. The method for starting a manual car is: 1. Turn on the ignition switch and start the engine; 2. Depress the clutch pedal, shift the gear lever into 1st gear, and release the handbrake; 3. Slowly release the clutch pedal while pressing the accelerator.
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