Will an automatic car stall if the brake is released too quickly?

How to Know How Much Oil is Left in a Motorcycle?

Reading a motorcycle fuel gauge is relatively simple. If the tank is full, it will display 'F'. If it shows 'E' in the direction of the red mark, that means the fuel is low. Therefore, you must pay attention at this time and need to refuel promptly. The motorcycle fuel tank sensor is located on the left side of the tank. When you warm up the bike using the side stand, the fuel on the right side flows into the left side. As the fuel level rises, the fuel float also rises, and the sensor signal strengthens, showing more fuel on the gauge. If you use the center stand to warm up the bike vertically, the fuel level displayed at that time will be accurate. There is a fuel float inside the motorcycle tank, whose function is to transmit its position to the fuel gauge via the sensor. If there is more fuel in the tank, the float rises, providing a stronger signal to the sensor, resulting in a greater response on the fuel gauge.

16

4

Share

Do 5-year-old tires need to be replaced?

This needs to be judged based on usage conditions. Theoretically, 5-year-old tires should be replaced. You can check tire wear conditions through the following methods. First point: If the tire shows signs of aging (for example: numerous small cracks on the tread groove bottom or sidewall that are about to damage the tire body), this tire needs to be replaced immediately, regardless of how long it has been used or how much it has worn. Second point: If the remaining groove depth of the tire tread reaches or falls below 1.6 millimeters (there are indicator marks in the longitudinal straight grooves of the tire tread indicating this depth), the tire must be replaced because its drainage capacity has significantly decreased, making driving on wet surfaces more dangerous. In addition, damaged tires should also be carefully evaluated for replacement. For example, tires that have been run flat may still be drivable when inflated, but since the internal structure may have been damaged, it is recommended to replace them with new tires promptly. It is particularly important to note that bulging tires must not continue to be used.

9

2

Share

How Many Years Until Mandatory Scrapping of Motor Vehicles?

According to Article 5 of the 'Mandatory Scrapping Standards for Motor Vehicles', the service life limits for various types of motor vehicles are as follows: 1. Taxis: Small and mini taxi passenger vehicles have a service life of 8 years, medium-sized taxi passenger vehicles 10 years, and large taxi passenger vehicles 12 years; rental passenger vehicles have a service life of 15 years. 2. Training passenger vehicles: Small training passenger vehicles have a service life of 10 years, medium-sized training passenger vehicles 12 years, and large training passenger vehicles 15 years. 3. Public transport passenger vehicles: Public transport passenger vehicles have a service life of 13 years. 4. Other commercial passenger vehicles: Other small and mini commercial passenger vehicles have a service life of 10 years, while large and medium-sized commercial passenger vehicles have a service life of 15 years. 5. Full trailers and semi-trailers: Full trailers and semi-trailers for hazardous material transport have a service life of 10 years, container trailers 20 years, and other semi-trailers 15 years.

8

2

Share

What does 'big oil' and 'small oil' mean?

Small oil refers to illegally processed (self-processed and produced) diesel or gasoline, which is cheaper than the fuel from gas stations. CNPC, CNOOC, and Sinopec are collectively referred to as the 'big three oils'. Introduction to gasoline: Gasoline is a volatile and flammable liquid hydrocarbon mixture obtained from the distillation and cracking of petroleum, used as fuel. It appears as a transparent liquid, is flammable, and has a distillation range of 30°C to 220°C. Principle of thermal expansion and contraction: Thermal expansion and contraction refer to the property of objects expanding when heated and contracting when cooled. This occurs because the movement of particles (atoms) within the object changes with temperature. When the temperature rises, the vibration amplitude of the particles increases, causing the object to expand; when the temperature drops, the vibration amplitude decreases, causing the object to contract.

6

2

Share

Is Burning Tires Harmful to Health?

Tires are synthetic rubber products that contain aromatic hydrocarbons, halogens, nitrogen, and sulfur as a rubber softener. Burning them produces carcinogenic substances harmful to human health, such as dioxins and phenols. It also generates sulfur dioxide, nitrogen dioxide, halogen gases containing chlorine, and even cyanide gas or cyanide compounds, which pollute the environment, acidify the soil, and can severely damage human health. Composition of tires: 1. Main components Most modern car tires are primarily made of natural rubber or synthetic rubber. Natural rubber offers superior overall performance compared to synthetic rubber, which is why premium tires often use natural rubber. 2. Carbon black additives To achieve the required properties for tire manufacturing, various chemical materials, known as chemical additives, must be mixed into the rubber. One crucial additive is carbon black. Due to carbon's unique adsorption properties, it bonds exceptionally well with rubber molecules, enhancing the rubber's hardness, strength, and wear resistance. 3. Primary materials Since carbon black and rubber are roughly equal in quantity, the main material of car tires is essentially a composite of rubber and carbon black.

9

2

Share

Should I repaint if the front bumper is slightly scratched?

First, check whether the paint is severely scratched and confirm if it's actually scratched off. Sometimes, the paint isn't scratched off, but there might be something else stuck on it. In such cases, simply use some cleaner or coarse wax for a quick treatment. If the paint is scratched but the scratch isn't severe and the primer isn't exposed, polishing or using coarse wax for a simple treatment will suffice. If the bumper is cracked, it can be repaired. Below is some related information on repairing cracks: 1. Large cracks: Not recommended for repair, as even if it can be patched, it's difficult to ensure its buffering effect. In such cases, replacing the bumper with a new one is necessary. 2. Function of car bumpers: Car bumpers (impact beams), located in most areas at the front and rear of the vehicle, are designed to prevent external damage from affecting the vehicle's safety systems and have the ability to reduce injuries to passengers during high-speed collisions.

1

3

Share

Will an automatic car stall if the brake is released too quickly?

How to Know How Much Oil is Left in a Motorcycle?

Do 5-year-old tires need to be replaced?

How Many Years Until Mandatory Scrapping of Motor Vehicles?

What does 'big oil' and 'small oil' mean?

Is Burning Tires Harmful to Health?

Should I repaint if the front bumper is slightly scratched?

Difference Between BYD Yuan Pro and Yuan EV?

Will Insurance Cover Flood-Damaged Cars Due to Natural Disasters?

Is it a violation to change lanes in a variable lane?

How to Use a Car Key Decoder?