How Long is the Warranty for Xingrui?

What to Do About Car Valve Noise?

Here are methods to avoid car valve noise: 1. Replace the engine oil with the quality grade and viscosity specification as specified in the owner's maintenance manual. 2. Change the engine oil promptly according to the maintenance cycle and oil performance specified in the owner's maintenance manual. 3. Regularly check the engine oil level during the maintenance interval. The following are possible causes of car valve noise: 1. Wear and groove formation or flange breakage on the valve spring seat. 2. Excessive or inconsistent valve lash. 3. Wear and misalignment of the valve adjusting screw, or loosening of the lock nut. 4. Caused by the gap between the hydraulic valve lifter and the cam (or valve seat). The gap is mostly due to excessive wear of the hydraulic lifter, causing rapid oil pressure loss inside the lifter. 5. Too high or too low oil level in the crankcase. 6. Wear of the valve guide. 7. Dirty lifter. 8. Out-of-round valve seat or valve cone surface.

5

3

Share

How to operate the manual mode of Magotan?

Method to switch to manual mode in Magotan: 1. When manual transmission is needed, first shift the gear lever to manual mode (M or S gear); 2. To upshift, push the gear lever towards the "+" direction once; 3. To downshift, push the gear lever towards the "-" direction once. More details about Magotan are as follows: 1. Magotan is a car under FAW-Volkswagen, with body dimensions of 4866mm in length, 1832mm in width, and 1464mm in height, and a wheelbase of 2812mm. 2. In terms of appearance, Magotan features a resolute V-shaped front face that exudes stability and grandeur, along with dynamic and stylish streamlined body lines, giving it a drag coefficient as low as 0.28; the exquisite and minimalist LED taillight design embodies the perfect combination of technology and art; its side profile maintains the classic "diamond proportion", refined and smooth.

15

1

Share

Are there any new energy vehicles that use hydrogen as fuel?

There are new energy vehicles that use hydrogen as fuel, but most of them are buses. Currently, some city buses have adopted hydrogen as an energy source. Advantages of hydrogen energy: Hydrogen has the characteristic of high combustion heat value, which is 3 times that of gasoline, 3.9 times that of alcohol, and 4.5 times that of coke. The product of hydrogen combustion is water, making it the cleanest energy source in the world. It is abundant in resources and sustainable. Hydrogen-powered vehicles: The hydrogen supply issue for hydrogen-powered vehicles is addressed by using metal hydrides as hydrogen storage materials. The heat required to release hydrogen can be provided by engine cooling water and exhaust waste heat. Currently, there are two types of hydrogen-powered vehicles: one that runs entirely on hydrogen, and another that uses a mixture of hydrogen and gasoline, known as a hydrogen-blended vehicle.

11

4

Share

The Hazards of Engine Lugging in Vehicles?

The hazards of engine lugging in vehicles include the following: 1. Low gear with high (speed) lugging; high gear with low (speed) lugging: Regardless of the type, lugging is not a good phenomenon and can cause damage to the engine while also increasing fuel consumption. 2. Severe wear on the clutch plate; 3. Significant wear and tear on the transmission; 4. Low load factor: According to the engine's load characteristics, when the throttle opening is small, the engine's load factor is low, leading to higher fuel consumption. 5. Shortened lifespan: If a vehicle frequently operates in a lugging state, its transmission components such as the clutch, transmission, drive shaft, and differential may suffer continuous impact, leading to premature damage and a shortened lifespan. Additionally, the noise generated during lugging can be unbearable for passengers. 6. Slow acceleration: When driving in a lugging state, if an emergency situation requires immediate acceleration to overcome an obstacle, pressing the accelerator may not result in an immediate speed increase, potentially leading to a passive situation.

6

4

Share

When did China implement the National IV vehicle standard?

National IV vehicles were introduced in 2011. The National IV emission standard was implemented starting in 2011 and remained in effect until 2018 when the National V standard was introduced. Vehicles produced between 2011 and 2017 adhered to the National IV standard. Below is an introduction to the National IV emission standard: 1. The full name of the 'National IV standard' is the National Fourth Stage Motor Vehicle Emission Standard, which is equivalent to Europe's 'Euro IV standard'. 2. 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). 3. The National IV standard requires that the emission levels of various pollutants be approximately 50% lower than those of the National III standard. This is achieved through the application of technologies such as improved catalytic converter active layers, secondary air injection, and exhaust gas recirculation systems with cooling devices, which control and reduce vehicle emissions to levels below the specified standards.

19

5

Share

What are the effects of driving a new car on the highway for long distances?

Driving a new car on the highway for long distances has certain effects on the car, but the impact is not significant and will not affect the normal use of the vehicle. Precautions for driving a new car on long trips: It is recommended that owners allow a break-in period after purchasing a new car. If it is necessary to drive on the highway, the car's speed should be kept within a reasonable range. Avoid pushing the engine RPM or vehicle speed too high to prevent damage to the engine. Effects of driving a new car on long trips: When the engine operates at high speeds, the mechanical wear inside the engine can be significant. Additionally, the oil in a new car contains the highest amount of metal debris during this period. Using oil with a large amount of debris for high-speed driving can increase engine wear. In severe cases, it may cause irreversible damage, preventing the vehicle from reaching its optimal condition after the break-in period.

2

Share

How Long is the Warranty for Xingrui?

What to Do About Car Valve Noise?

How to operate the manual mode of Magotan?

Are there any new energy vehicles that use hydrogen as fuel?

The Hazards of Engine Lugging in Vehicles?

When did China implement the National IV vehicle standard?

What are the effects of driving a new car on the highway for long distances?

Manual Transmission Handbrake: Pull Up or Down?

Do New Energy Vehicles Use Copper?

What brand of specialized engine oil is used for Jetta?

What is the detection method for wheel speed sensors?