What is the Civilized Driving Test in Subject Three?

Should the inner tube and outer tire be the same size?

The inner tube and outer tire should be the same size. The inner tube and outer tire share the same model number, though some inner tubes are compatible with multiple outer tire models, in which case the inner tube model number will be listed with multiple compatible sizes. The inner tube is one of the main components of an automobile tire, consisting of a circular rubber tube with good elasticity and heat resistance. To prevent the inner tube from developing wrinkles when inflated, its effective size should be slightly smaller than the inner wall size of the outer tire. Additional details are as follows: 1. Inner tube: Commonly referred to as the inner liner, it is an elastic circular tube with a tire valve used to maintain tire pressure. The valve is used for inflation and to keep the air inside the tube at a certain pressure. The inner tube should have good airtightness, heat resistance, elasticity, aging resistance, and minimal permanent deformation. It is generally made of butyl rubber. 2. Outer tire: The annular shell of a pneumatic tire, its function is to bear the vehicle load, prevent the inner tube from bulging after inflation, limit the outer dimensions of the tire, and protect the inner tube from mechanical damage.

13

4

Share

What Causes the Sudden Heaviness of the Leiling Steering Wheel?

Here are the reasons for the sudden heaviness of the steering wheel: 1. Vehicle abnormality or malfunction: Check the steering wheel settings, as it could be due to a vehicle abnormality or malfunction. For example, damage to the power steering pump, lack of oil in the power steering pump, issues with the belt, or problems with the power steering motor and its module. 2. Electronic power steering self-adjustment function: Most new vehicles now come with electronic power steering, which allows for adjusting the steering wheel effort. This setting option is usually found in the vehicle settings or personal preferences on the central console. There is a difference between mechanical and electronic power steering; many electronic power steering systems have a self-adjustment function that increases steering wheel effort at high speeds to prevent overly light steering that could lead to misoperation. Mechanical power steering, on the other hand, tends to be heavier, especially at low speeds. 3. Insufficient power steering fluid: Power steering fluid is a medium oil used in the car's power steering pump, serving to transmit steering force and provide cushioning. The power steering fluid needs to be replaced regularly, and checked for leaks. When the power steering fluid is insufficient, the steering will feel heavy and stiff.

10

4

Share

What Causes Car Belt Noise?

It may be caused by a reduction in the friction coefficient of the belt surface or excessive wear of the belt, requiring timely inspection and replacement. If the noise occurs when the vehicle is under load, observe one of the drive belts. Generally, there is a belt wear length indicator at the bottom of the belt automatic tensioner. If the pointer exceeds the range, it indicates that the belt is excessively worn and needs to be replaced promptly to avoid more faults while driving. Methods to address belt noise: 1. If a noticeable noise is heard from the engine while driving, it may be due to a loose belt or excessive wear. Therefore, it is necessary to first check the engine belt. It is best to seek professional help to avoid causing other faults by attempting to fix it yourself. Checking the car belt while the engine is running carries certain risks and is not recommended. 2. You can identify which belt is problematic by listening to the noise. If the belt noise occurs when using the air conditioning, it may be due to an issue with the air conditioning compressor belt. If the noise occurs during a cold start, it may be due to a problem with the engine belt. This method can also help roughly determine the belt abnormality.

13

3

Share

What brand is the G80 car?

G80 is a model under Genesis, the luxury brand of Beijing Hyundai Motor Company. Beijing Hyundai Motor Company, abbreviated as Beijing Hyundai, was established on October 18, 2002, as a joint venture between Beijing Automotive Investment Co., Ltd. and Hyundai Motor Company of South Korea. In addition to the G80, other common models under Hyundai Motor Company include the Elantra, Tucson, Verna, Mistra, and Lafesta. The Beijing Hyundai logo features an ellipse with a slanted letter H. The ellipse symbolizes the Earth, representing Hyundai's global operations and management. The slanted letter H is the initial of Hyundai's English name and also visually represents a handshake, symbolizing mutual trust and support between Hyundai and its customers. The ellipse also represents a steering wheel and the Earth, combined to signify Hyundai's global presence. The G80 is equipped with a 2.5T turbocharged four-cylinder and a 3.5T V6 turbocharged gasoline engine, delivering maximum power outputs of 304 horsepower and 380 horsepower, respectively, with peak torques of 421 Nm and 530 Nm. The G80's dimensions are 4995 mm in length, 1925 mm in width, and 1465 mm in height, with a wheelbase of 3010 mm.

17

2

Share

What are the reasons for the car's central control screen displaying low battery?

The reason why the car's central control screen displays low battery may be due to low battery voltage. Here are the details: 1. Reasons: To determine if the battery is low, you should observe how the vehicle starts in the morning during winter. If the ignition is slower than usual and the battery seems to struggle, it indicates low battery voltage. If the battery is insufficient, you can check the car lights. If the lights dim during ignition, it means the battery is low, and special attention should be paid. 2. Solutions: After starting the car in winter, if the battery is low, you should charge the car by driving outside for about half an hour, preferably on highways or overpasses for more than half an hour; if the car's battery is low, you should drive the car every three to four days; when parking in winter, it's best to park the car in a garage to avoid the outdoor low temperature continuously reducing the battery's stored power, as the temperature inside the garage is higher; if the battery is insufficient, make sure not to listen to the radio or turn on the lights after turning off the engine; if the battery has been used for two and a half to three years, it should be replaced.

20

5

Share

Which model of Excelle is sgm7165mtb?

sgm7165mtb refers to the Buick Excelle 1.6 manual-LE-2011 model. Additional information is as follows: 1. Introduction: The Buick Excelle is based on General Motors' global platform. The prototype of the Excelle is a globally developed mid-size sedan designed and developed by General Motors Daewoo Auto & Technology (GMDAT). 2. Exterior: The new generation Excelle adopts Buick's latest family design language, featuring a new winged grille with dark mesh texture and a high-gloss electroplated shield-shaped outline, exuding youthful vitality. The winged headlights and grille form a diving angle, creating a dynamic look. The side of the car combines flowing body lines with high-gloss surfaces, presenting a low-front and high-rear diving posture. The winged taillights echo the headlights, and the rear spoiler reduces wind resistance while improving handling, resulting in better fuel economy.

19

5

Share

What is the Civilized Driving Test in Subject Three?

Should the inner tube and outer tire be the same size?

What Causes the Sudden Heaviness of the Leiling Steering Wheel?

What Causes Car Belt Noise?

What brand is the G80 car?

What are the reasons for the car's central control screen displaying low battery?

Which model of Excelle is sgm7165mtb?

Is Lexus fuel consumption high?

Is the Lavida Safe?

Where is the stamped engine number of Yusheng S330 located?

Will modifying only the exhaust tailpipe make the car louder?