Why Do 4S Stores Recommend Buying Total Loss Replacement?

What are the precautions for using waterless coolant?

Precautions for using waterless coolant are as follows: 1. After switching to engine waterless coolant, do not add water or other coolants to avoid affecting the optimal performance of the product. 2. If you find that the waterless coolant is insufficient during driving and the engine temperature is slightly high, and there is no waterless coolant in the car, you can add some purified water as an emergency solution. Then, when conditions permit, completely replace the coolant with high-quality waterless coolant to restore the original performance of the vehicle. The following are the usage restrictions for waterless coolant: 1. For vehicles with more than 30,000 kilometers, the cooling system must be thoroughly cleaned with a cooling system cleaner before application to prevent deposits in the water passages. 2. New vehicles or those with less than 30,000 kilometers do not require cleaning.

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Why is the car air conditioning compressor not starting?

There are several reasons why a car's air conditioning compressor may not start: 1. It is very likely due to compressor circuit issues. Disconnect the power supply to the compressor relay and bridge the compressor pins to make the compressor engage. 2. Another possibility is that the intake air temperature sensor or temperature control sensor in the air conditioning system is damaged, preventing temperature detection and the transmission of electrical signals, which stops the compressor from engaging. In this case, simply replacing the temperature control sensor will solve the problem. 3. Other factors such as insufficient refrigerant in the car air conditioning compressor or a faulty relay could also prevent the compressor from engaging.

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The Difference Between Direct Injection and Multi-Point Electronic Injection

The main differences between direct injection and multi-point electronic injection are as follows: 1. In multi-point electronic injection, the injectors are installed on the intake manifold, where fuel and air begin to mix before entering the cylinder; direct injection sprays fuel directly into the cylinder. 2. Compared to direct injection, multi-point electronic injection has lower requirements for fuel quality; direct injection has more complex components and is more expensive than multi-point electronic injection. 3. Multi-point electronic injection technology is mature and cheaper but consumes more fuel; direct injection has advantages in both performance and fuel consumption. 4. Multi-point electronic injection has higher combustion efficiency and can release more power compared to direct injection of the same displacement.

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How to Protect Your Car from Sun Damage in Summer?

Methods for protecting your car from sun damage in summer are as follows: 1. Leave appropriate window gaps when parking: The excessively high temperature inside the car is due to it being too sealed. Continuous exposure to sunlight will continuously accelerate the temperature inside the car, while the scorching air inside cannot dissipate, leading to an increasingly hotter interior that is much warmer than the outdoor temperature. Leaving a two to three-finger gap in the windows can prevent excessive temperature differences between the inside and outside. 2. Park in the shade: The most direct source of high temperature inside the car is sunlight. Parking in the shade effectively avoids direct sunlight, not only lowering the car's temperature but also reducing paint damage, thereby decreasing the frequency of car maintenance.

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What Causes the Inability to Shift Gears When the Clutch Pedal is Depressed?

The reasons for being unable to shift gears when the clutch pedal is depressed are: 1. The clutch pedal, clutch master cylinder transmission mechanism is disconnected or stuck; 2. The clutch master cylinder is leaking or stuck; 3. There is a pipeline leakage phenomenon; 4. There is a slave cylinder leakage phenomenon or abnormal mechanical transmission phenomenon. The solutions for being unable to shift gears when the clutch pedal is depressed are: 1. Avoid prolonged semi-engagement state; 2. Fully depress the clutch pedal before shifting gears; 3. When emergency braking, simultaneously press the brake and clutch. The clutch is located in the flywheel housing between the engine and the transmission, and the clutch assembly is fixed to the rear plane of the flywheel with screws. The output shaft of the clutch is the input shaft of the transmission.

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What is the vision requirement for a driver's license medical examination?

The naked eye vision or corrected vision of both eyes must reach 5.0 or above on the logarithmic visual acuity chart. If the vision test fails, the following solutions are available: 1. Wear glasses. If you know you are nearsighted, you can wear glasses with the appropriate prescription and retake the medical examination, as the driver's license medical examination allows corrected vision and does not require naked eye vision. 2. Corrected vision. For those who cannot meet the naked eye vision requirement for the test, there is no need to be discouraged, as the vision requirement for the driver's license test in China is corrected vision, not naked eye vision. Therefore, when applying for a driver's license, you can promptly visit a professional eye hospital for examination and correction. 3. Retake the medical examination at a hospital. If you fail the vision test at the driving school, you can also take the test at a designated hospital. Generally, the vehicle management office will designate several local hospitals where you can undergo the medical examination. If the examination results are satisfactory, you can bring the medical examination form and relevant payment receipts back to the driving school.

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Why Do 4S Stores Recommend Buying Total Loss Replacement?

What are the precautions for using waterless coolant?

Why is the car air conditioning compressor not starting?

The Difference Between Direct Injection and Multi-Point Electronic Injection

How to Protect Your Car from Sun Damage in Summer?

What Causes the Inability to Shift Gears When the Clutch Pedal is Depressed?

What is the vision requirement for a driver's license medical examination?

What is a Run-Flat Tire?

Do Parallel Imported Vehicles Come with Warranty?

Can the vehicle annual inspection time be postponed?

Does a Newly Replaced Clutch Need a Break-in Period?