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What Causes Scratches on the Hood?

1 Answers
LiamLee
07/30/25 6:09am
Scratches on the hood are caused by branches scraping against it during driving and stones hitting it. The hood is an important component of a car's overall appearance. By improving the strength and structure of the hood, it can effectively prevent adverse effects such as impacts, corrosion, rainwater, and electrical interference, thereby fully protecting the normal operation of the vehicle. The hood is made of rubber foam and aluminum foil materials, which not only reduce engine noise but also isolate the heat generated during engine operation, effectively protecting the paint on the hood surface and preventing aging. The shape of the hood can effectively adjust the direction and form of reflected light, thereby reducing the impact of light on the driver.
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More Forum Discussions

What is the difference between SN and SM engine oil?

The differences between SN and SM engine oils are as follows: 1. Performance: SM-grade engine oil offers better oxidation resistance and deposit control, superior anti-wear protection, and improved low-temperature fluidity. 2. Operating environment: SN-grade oil must pass more stringent fuel economy engine tests with higher standards, ensuring the oil's fuel economy and retention capabilities. Technologies such as direct fuel injection, turbocharging, and diversified alternative fuels enhance engine power output, reducing fuel costs for car owners, but also increase oil temperature, making it more susceptible to oxidation and creating harsher operating conditions. 3. Requirements: SN-grade engine oil provides better piston cleanliness, high-temperature deposit control, and low-temperature sludge control performance, meeting the engine's performance needs under various conditions. Additionally, the reduction of sulfur and phosphorus elements in the oil minimizes their impact on catalysts in the exhaust treatment system, extending the system's lifespan and making vehicle emissions cleaner.
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Which region does the license plate 'Meng J' belong to?

Meng J is the license plate code for Ulanqab City in the Inner Mongolia Autonomous Region. Below is an introduction to the license plate codes in the Inner Mongolia region: 1. 'Meng' is the abbreviation for Inner Mongolia, and the following letters represent the vehicle management office codes for different cities. 2. Meng A refers to Hohhot, Meng B to Baotou City, Meng C to Wuhai City, Meng D to Chifeng City, Meng E to Hulunbuir City, Meng F to Xing'an League, Meng G to Tongliao City, Meng H to Xilin Gol League, Meng J to Ulanqab City, Meng K to Ordos City, Meng L to Bayannur City, and Meng M to Alxa League. Additional information: Fuel-powered vehicles use license plate numbers consisting of five digits. In the license plate numbers, Arabic numerals range from 0 to 9 (a total of ten digits), and English letters range from A to Z (a total of 26 letters). In license plate numbers, the letters I and O are mostly avoided to prevent confusion with the numbers 1 and 0.
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How to Check if You Passed the Driving Test (Subject 3)?

First, access the 'Ministry of Public Security Internet Traffic Safety Comprehensive Service Management Platform', select your province on the China map, and log in with your account credentials. After successfully logging into the website, click the 'My Homepage' link in the upper right corner of the webpage to enter the personal homepage service interface of the traffic management department.
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Can I choose a license plate number online for a used car?

Used cars cannot have their license plate numbers selected online; the selection of license plate numbers for used cars must be processed at the vehicle management office. The documents required for registering a used car are as follows: vehicle registration certificate, driving license, ID cards of both the buyer and seller; if the vehicle belongs to a company, the company code certificate and official seal are also required. Below is relevant information about used cars: 1. Conditions for renaming a used car: vehicle registration certificate, driving license, ID cards of both the buyer and seller, and for company vehicles, the company code certificate and official seal are required. Additionally, the vehicle must be under normal annual inspection and free of violations to process the renaming and transfer, and the original owner must be present in person to complete the procedure. 2. Procedures for used cars: The documents required for a used car transaction include the vehicle registration certificate, driving license, purchase invoice, insurance policy, and ID cards of both parties involved in the transaction.
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What Causes the Engine Fan to Start Frequently?

Engine fan frequently starting reasons are as follows: 1. The coolant temperature has indeed reached the point where cooling is needed: The causes of rapid high temperature in the coolant are either low water level or some issues in the water circuit circulation. Check whether the temperatures of the upper and lower hoses are the same. 2. The coolant temperature switch is faulty: It starts cooling prematurely before reaching the required temperature. If the coolant temperature remains low, the engine's complete combustion rate will decrease, meaning incomplete combustion and higher fuel consumption. Below are the relevant details about the engine radiator: 1. Introduction: Also known as the engine radiator, it is a key component of the water-cooled engine cooling system. It ensures the engine operates within the normal temperature range by forcing water circulation for cooling, acting as a heat exchange device. 2. Principle: The radiator works by dissipating the heat energy of the coolant. To maintain the proper temperature of the internal combustion engine, a water pump driven by the engine forces the coolant to circulate through various parts of the engine. The device that absorbs the heat generated by the engine and dissipates it into the air is the radiator.
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How to Adjust the Seat of a Driving School Car?

First, sit in the driver's seat and press the clutch with your left foot, trying to fully depress the clutch. Adjust the seat's adjustment valve under the seat based on how your foot reaches the pedal. Move the seat forward or backward until your leg is comfortably extended and the clutch can be fully depressed. Extend your arms straight toward the steering wheel and slightly adjust your body position until your forearms can rest on the upper edge of the steering wheel. Then, adjust the side adjustment valve of the seat.
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