Why does the car door squeak while driving?

How many more years can National IV standard cars be driven?

When the National V emission standard was implemented, National II standard vehicles were phased out. Therefore, after the implementation of the National VI standard, National III standard vehicles are also likely to be phased out, while the phase-out of National IV standard vehicles will at least have to wait until after the implementation of the National VII standard. The timing of the introduction and implementation of the National VII standard is unknown. The National VI standard has just begun to be implemented and has not yet been fully rolled out nationwide. It will undoubtedly be a long time before the National VII standard is introduced and implemented. Therefore, National IV standard cars can be used until their normal retirement without any issues. Below is some relevant information about National IV: 1. The National IV emission standard is the fourth stage of China's motor vehicle pollutant emission standards. The main pollutants emitted by vehicles include HC (hydrocarbons), NOx (nitrogen oxides), CO (carbon monoxide), and PM (particulate matter). Through the application of technologies such as improved catalytic converter active layers, secondary air injection, and exhaust gas recirculation systems with cooling devices, these pollutants are controlled and reduced to levels below the specified standards. 2. China's National III and National IV emission standards for light-duty vehicles are identical to the Euro III and Euro IV standards in terms of pollutant emission limits. However, some improvements have been made in the testing methods, and there are significant differences in the regulatory format compared to the Euro III and Euro IV standards.

104

Share

Is the Roewe i5 Automatic Transmission Very Fuel-Consuming?

Roewe i5 automatic transmission has a fuel consumption of about 7L per 100 kilometers, which is relatively normal among automatic transmission models. The main factors affecting fuel consumption are as follows: 1. Drag coefficient: The difference in drag coefficient has a significant impact on the fuel consumption of the car during driving; 2. Vehicle weight: The most intuitive factor affecting vehicle fuel consumption is the weight of the vehicle; heavier vehicles consume more fuel, while lighter vehicles save fuel; 3. Transmission: Only smooth and mature transmission technology can ensure the continuous output of engine power and achieve the purpose of evenly distributing power to save fuel.

106

Share

What does h4 engine mean?

h4 engine refers to a horizontally opposed 4-cylinder engine. The horizontally opposed engine is a structurally quite special type of engine, where the engine pistons are evenly distributed on both sides of the crankshaft, and the pistons move left and right in a horizontal direction during operation. The horizontally opposed engine is also known as an H-type engine, which is a type of V-engine, typically with 4 or 6 cylinders. The functions of the horizontally opposed engine are: 1. Fewer moving parts can increase the engine's speed and power; 2. Lower the vehicle's center of gravity, enhancing driving stability; 3. During engine operation, the moments generated by the pistons on both sides cancel each other out, reducing noise.

116

Share

What are the functions of the three horizontal buttons on the Kicks key?

The functions of the three horizontal buttons on the Kicks key are: opening the trunk. Taking the 2021 Kicks as an example, its body dimensions are: length 4295mm, width 1760mm, height 1588mm, wheelbase 2620mm, minimum ground clearance 191mm, fuel tank capacity 41L, and body structure is a 5-door, 5-seat SUV. The 2021 Kicks is equipped with a 1.5L naturally aspirated engine and a 5-speed manual transmission, with a maximum power of 90 kW and a maximum torque of 143 N·m. Its drive mode is front-wheel drive, the front suspension uses a MacPherson independent suspension, and the rear suspension uses a torsion beam non-independent suspension.

102

Share

Is it necessary to install a dash cam for a new car?

New car owners might think it's unnecessary to install one, but in fact, it is needed. Here are the reasons why installing a dash cam is essential: 1. The number of cars in China is enormous, leading to a large number of novice drivers on the roads. Collisions and minor accidents occur almost every day. 2. Without video evidence, traffic police may find it difficult to determine liability. This not only reduces road traffic efficiency and causes congestion but also might result in the liability being assigned to you. However, if your car is equipped with a dash cam, the traffic police can determine liability based on the video, significantly improving road traffic efficiency.

109

Share

What does T and L mean in cars?

In cars, T stands for turbocharged engine, while L represents naturally aspirated engine. The differences are as follows: 1. For the same displacement, naturally aspirated engines have weaker explosive power compared to turbocharged engines. If you prefer smooth and gentle power output, you can choose a naturally aspirated engine; if you prefer stronger explosive power, you can opt for the more aggressive turbocharged engine. 2. Turbocharged engines have higher production costs than naturally aspirated engines. Turbocharged engines have an additional turbocharger, and due to their high-temperature and high-pressure working environment, the material requirements are higher. Combined with the high-precision manufacturing costs, they are significantly more expensive than naturally aspirated engines.

120

Share