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What are the precautions for changing car tires?

1 Answers
Tabitha
07/29/25 11:25am
Precautions for changing car tires include: 1. The new tire must be the same as the other tire on the same axle; 2. Replace the valve stem when changing the tire; 3. Tire pressure should not exceed 2.8 bar; 4. Avoid sudden braking after installing new tires. Steps for changing tires: 1. Use a jack to lift the vehicle to a certain height; 2. Remove the bolts and take off the tire; 3. Install the new tire and lower the jack. Car tire maintenance methods: 1. Regularly check tire pressure; 2. Remove debris from tire treads; 3. Inspect tire wear and replace them promptly based on wear condition; 4. Perform tire rotation to ensure even force distribution among all four tires and prevent excessive wear.
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Is the Front Windshield Film Applied on the Inside or Outside?

The front windshield film is applied on the inside of the car. Here is its introduction: Car window film is a thin layer of material applied to the front and rear windshields, side windows, and sunroof of a vehicle. This layer is also known as solar film or heat-insulating and explosion-proof film. Below are the functions of car window film: (1) Primarily to block ultraviolet rays, reduce heat, and prevent injuries caused by sudden glass shattering. (2) According to the one-way visibility feature of solar film, it protects personal privacy. (3) Additionally, it can reduce damage to interior items and passengers caused by UV exposure, and to some extent, achieve fuel-saving effects.
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What engine oil should be used for China VI compliant vehicles?

China VI compliant vehicles should use 5w30 engine oil. The introduction of 5w30 oil and the classification standards for engine oil are as follows: Introduction to 5w30 oil: 5w30 oil can withstand an external low temperature of -30 degrees Celsius, and its kinematic viscosity standard at 100 degrees Celsius is 30. Classification standards for engine oil: The 'W' stands for Winter, and the smaller the number before W, the better the low-temperature fluidity of the oil, indicating a lower usable environmental temperature and better protection for the engine during cold starts. The number after 'W' represents the viscosity index of the oil at high temperatures. The larger the number, the higher the viscosity, which provides better protection for the engine but also consumes more fuel.
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Which is the accelerator and which is the brake in a car?

Cars have different pedal arrangements for automatic and manual transmissions: 1. In automatic transmission vehicles, the brake pedal is located on the left side, while the accelerator pedal is on the right. 2. For manual transmission cars, there are three pedals: the leftmost is the clutch pedal, the middle one is the brake pedal, and the rightmost is the accelerator pedal. Here are some details about the accelerator and brake: (1) The accelerator pedal doesn't directly control fuel injection. When pressed, it primarily regulates the throttle valve. Depressing the accelerator increases the throttle opening, allowing more air into the engine. The ECU then commands the fuel injection system to increase fuel supply, raising engine RPM and accelerating the vehicle. (2) Pressing the brake pedal causes the brake pads to clamp the brake discs, slowing the vehicle. The braking system consists of a vacuum booster, master cylinder, wheel cylinders, brake pads, and brake discs.
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Diaphragm Pump or Gear Pump for Oil Extraction?

Gear pump is used for oil extraction. Gear pump: The gear pump generates power through gear rotation. The meshing process of gears has a higher possibility of wear, resulting in a shorter lifespan for the gears. Therefore, the gears in the pump often need replacement. Moreover, replacing a gear pump is costly, making it a high-cost component replacement. Diaphragm pump: The diaphragm pump generates power through the back-and-forth friction of the pump diaphragm. The contact area of the diaphragm is smaller, resulting in less wear and a longer lifespan compared to the gear pump. Replacing a worn diaphragm is relatively inexpensive. In usage, gear pumps consume more oil, while diaphragm pumps are more economical in terms of consumables.
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Is the Penalty for Not Wearing a Seat Belt Reasonable?

Not wearing a seat belt is subject to penalties. The penalties and hazards of not wearing a seat belt are as follows: Penalties for not wearing a seat belt: When driving on urban expressways, if the driver fails to use the seat belt as required, 2 points will be deducted. When driving on roads other than highways or urban expressways, if the driver fails to use the seat belt as required, no points will be deducted. When a motor vehicle is in motion, if passengers fail to use the seat belt as required, they may face fines, etc. Hazards of not wearing a seat belt: In the event of a vehicle accident or emergency braking, a significant inertial force is generated. Depending on the driving speed and the severity of the impact, this inertial force varies. The inertial force causes the driver and passengers to collide with objects inside the vehicle, such as the steering wheel, windshield, seat backrest, and doors, which can easily result in severe injuries to the occupants. In extreme cases, it may even throw the occupants out of their seats or eject them from the vehicle.
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Should the AC be turned on when using car air conditioning in summer?

In summer, the AC should be turned on when using the car air conditioning. The AC button is the cooling switch for the car air conditioning system. If the AC button is not pressed, the car air conditioning will not provide cooling. Car air conditioning refers to the air conditioning device installed in vehicles, which can cool, heat, ventilate, and purify the air inside the cabin, providing a comfortable environment for passengers, reducing driver fatigue, and improving driving safety. The cooling principle of air conditioning is as follows: 1. After pressing the AC button, the clutch of the air conditioning compressor engages, allowing the engine to drive the compressor. During operation, the compressor continuously compresses the refrigerant and delivers it to the evaporator. Inside the evaporator, the refrigerant expands and absorbs heat. 2. The refrigerant cools the evaporator, which in turn cools the air blown by the blower, allowing the car air conditioning vents to blow cold air.
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