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Is it necessary to apply undercoating for a new car?

1 Answers
VioletDella
07/30/25 8:35am
It is necessary to apply undercoating for a new car. Here are the reasons why undercoating is recommended: 1. Taking rubber-based undercoating materials as an example, a well-protected vehicle underbody can significantly reduce interior noise, providing a more comfortable driving experience. Car owners are advised to make their choice based on actual conditions and usage environment. 2. The technical term for undercoating is 'automotive chassis anti-collision, anti-rust, and sound insulation coating.' It is a high-tech adhesive rubber asphalt coating that is non-toxic, offers high coverage, and strong adhesion. It can be sprayed on exposed areas such as the vehicle chassis, wheel hubs, fuel tank, lower body panels, and trunk, forming a solid and elastic protective layer after quick drying.
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What problems will occur if the motorcycle relay is broken?

After the motorcycle relay is damaged, it will cause the starting circuit to open, the starter cannot operate normally, and it will also burn out the motor, deplete the battery power, resulting in the motorcycle being unable to function properly. Below are specific introductions to common relay faults: Poor contact of the electric start switch contacts: Poor contact of the electric start switch prevents the motor from starting. Gear switch open circuit: The motorcycle cannot start after shifting gears. Diode failure: A diode is placed in the start switch circuit utilizing its switching characteristics. If the diode fails, the electric start switch may stick, making it impossible to control the electric start circuit of the motorcycle.
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What is the flash point of diesel?

Diesel has a flash point of 38 degrees. The following is a detailed introduction to diesel: 1. Physical characteristics: It is flammable and volatile, insoluble in water, and easily soluble in alcohol and other organic solvents. 2. Main classification: Diesel is divided into light diesel and heavy diesel. Light diesel is used as fuel for diesel engines in vehicles such as diesel cars and tractors. 3. Uses: Diesel is widely used in large vehicles, ships, generators, etc. It is mainly used as a liquid fuel for diesel engines. Diesel has the environmental characteristics of low energy consumption and low pollution, so some small cars and even high-performance cars have switched to diesel.
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The Difference Between Audi's S Series and RS Series

Audi's S and RS series differ in the following aspects: 1. Different models: Audi S stands for Sport, representing the performance version series of the Audi family; the RS series is entirely designed, developed, and manufactured by Audi's quattro department and is not produced on the same line as Audi's regular models. 2. Different engines: The Audi S is equipped with a 2.9T turbocharged engine; the RS is equipped with a 2.5T inline five-cylinder engine. Below is some related information about Audi: Audi is a luxury car brand under Audi AG, a subsidiary of the German Volkswagen Group. Its logo features four interlocking rings, and its headquarters is located in Ingolstadt, Germany, with branches in many countries including China.
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When Should Engine Oil Be Changed in a Car?

Car maintenance cycles are determined by either mileage or time, whichever comes first. The specific interval depends on the type of engine oil used in the vehicle. Here are the details: 1. Classification: Generally, engine oils are divided into 3 types - full synthetic, semi-synthetic, and mineral oil. 2. Full synthetic oil: Typically requires replacement every 10,000 kilometers or 1 year. 3. Semi-synthetic oil: Usually needs to be changed every 7,500 kilometers or 7-8 months. 4. Mineral oil: Normally requires replacement every 5,000 kilometers or 6 months. Additional information: Prolonged failure to change engine oil can lead to oil deterioration and reduced lubrication effectiveness. When the engine operates without proper lubrication, internal components may wear out, shortening the engine's service life.
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Which is more fuel-efficient, Santana or Jetta?

Volkswagen Jetta has lower fuel consumption. Here are some related introductions about fuel consumption: 1. Fuel consumption is greatly related to driving habits and road conditions. Avoid heavy acceleration, gradual acceleration at start is the most fuel-efficient. To save fuel, avoid heavy throttle at start, as heavy throttle consumes 2 to 3 times more fuel than normal speed start. 2. Maintaining distance and avoiding frequent braking saves even more fuel. If you don't maintain distance, you may need to brake frequently on the road. When braking, the automatic transmission will downshift, and the car will have to accelerate again from low gear. Starting from a standstill or low gear requires the engine to consume more fuel.
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What are the reasons why the trunk of the Bora cannot be opened?

Regarding the reasons and solutions for the Bora's trunk not opening, the following are detailed: 1. Lock block failure: Check whether the trunk lock block has mechanical failure or is rusted. Solution: Clean and remove any foreign objects. 2. Sealing strip aging: Check if the trunk sealing strip has aged. After prolonged exposure to sunlight, it can easily stick to the trunk lid, leading to difficulty in opening over time. Solution: Lubricate the trunk sealing strip with grease. 3. Cable failure: Check if the Bora's trunk cable is faulty or broken. Solution: Simply replace the cable with a new one to resolve the issue.
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