How Much Does Door Repainting Devalue a Car?

How to Register Modified Wheel Rims?

Methods for registering modified wheel rims mainly include: 1. Before modifying the wheel rims, apply at the vehicle management office. Modification can proceed only after approval. 2. The modification must be completed within one month. After completion, register the modification at the vehicle management office. 3. After the vehicle modification, the owner must re-register at the vehicle management office. If the modification changes the vehicle's appearance, the vehicle must be photographed again, and a new driving license must be printed. Additional Information: Modifying wheel rims also has certain drawbacks: 1. Reduced ride comfort: Low-profile tires cannot absorb much road bumps and minor vibrations, resulting in a strong road feel. 2. Affected acceleration and braking performance: Larger wheel rims are naturally heavier, increasing unsprung weight, which leads to slower response during starting and acceleration.

17

2

Share

How many liters of coolant does a Mercedes-Benz S350 need to add?

Mercedes-Benz S350 generally requires 5 to 6 liters of coolant. Coolant is a special additive-containing liquid primarily used in liquid-cooled engine cooling systems. It offers excellent performance features such as antifreeze protection in winter, anti-boil in summer, and year-round anti-scale and anti-corrosion properties. Can different coolants be mixed: It is necessary to use the same brand of coolant. Different brands of coolant may have varying production formulas, and mixing them could lead to chemical reactions between multiple additives, resulting in additive failure. How to determine if coolant is low: Observe the coolant warning light on the dashboard. If it lights up, it is likely due to low coolant levels, although it could also be caused by excessively high cylinder temperatures. Check the coolant reservoir. If the liquid level is below the minimum mark (MIN), do not continue driving and add coolant promptly. Check the water level scale marks on the coolant tank. Normal coolant levels should be between the maximum and minimum water level marks. Whether coolant is low depends on these marks. If the coolant is below the minimum water level, it indicates a shortage of coolant.

13

2

Share

Where is the windshield washer fluid spray location?

The windshield washer fluid spray button switch is generally located on the control lever on the right side of the steering wheel. Here are the relevant details: 1. Simply pull the lever switch toward yourself to spray the washer fluid. While the fluid is being sprayed, the wipers will automatically activate to clean the windshield until you release the lever to stop the operation. 2. It is recommended to spray washer fluid before using the wipers to extend the lifespan of the wiper blades, reduce resistance during operation, and prevent scratching the windshield. 3. Note: When operating the washer fluid switch, if no fluid sprays out after pulling the lever, avoid holding the lever for an extended period as this may cause the motor to overheat and malfunction. 4. You can open the engine hood to check if the washer fluid reservoir still contains fluid. If it is empty, refill it to the appropriate level promptly. If the reservoir has sufficient fluid but the spray still doesn't work, it may indicate a damaged motor, low battery voltage, or other issues. It is advisable to have it inspected by a 4S shop or professional repair service.

2

3

Share

What sound does an engine make when it has cylinder scoring?

If an engine shows slight signs of cylinder scoring, the following conditions may occur when the engine is idling: 1. There is usually a ticking, ticking, ticking abnormal sound. 2. As the temperature rises, the sound becomes duller and is accompanied by engine shaking. 3. In severe cases of cylinder scoring, the engine may stall directly. Additional information: 1. Engine cylinder scoring refers to obvious longitudinal mechanical scratches and abrasions on the inner wall of the cylinder within the movement range of the piston rings. In severe cases, adhesive wear occurs, causing difficulties in starting the engine or the engine stalling on its own. 2. The root cause of cylinder scoring is the difficulty in forming an oil film between the inner wall of the cylinder and the piston rings and pistons, resulting in poor lubrication or even dry friction.

11

3

Share

What does SAE mean?

SAE stands for the Society of Automotive Engineers, which refers to the viscosity grade classification of gear oil. Here are the detailed explanations: 1. Gear oil can be divided into single-grade viscosity type and multi-grade all-weather type. 2. The single-grade viscosity type can be further divided into high-temperature type and low-temperature type. 3. The high-temperature type has labels like SAE90 and SAE140, where the number after SAE indicates the oil viscosity at 100°C. A larger number indicates higher oil viscosity. The low-temperature type has labels like SAE75W, where W stands for low-temperature type, and 75 is the viscosity. A smaller number indicates better low-temperature performance. 4. The multi-grade all-weather type has labels like SAE80W/90. The number before the slash indicates the low-temperature viscosity performance in winter, where a smaller number means lower low-temperature viscosity, better fluidity, and better low-temperature resistance. The number after the slash indicates the high-temperature viscosity performance, where a larger number means higher high-temperature viscosity and better high-temperature resistance.

9

3

Share

What is the difference between forged and cast wheels?

The differences between cast wheels and forged wheels are as follows: 1. Different manufacturing processes. (1) Casting involves melting metal into a liquid that meets certain requirements, then pouring it into a mold. After cooling, solidification, and cleaning, a casting with predetermined shape, dimensions, and performance is obtained. (2) Forging, on the other hand, uses forging machinery to apply pressure to metal blanks, causing plastic deformation to obtain forgings with certain mechanical properties, shape, and dimensions. 2. The costs of the two types of wheels also differ. (1) The casting process is relatively simple and straightforward, making it easy for mass production, so the cost is relatively lower. (2) Forging, due to its more complex procedures, has a higher production cost. 3. The strength of the two differs. Forged wheels are made through continuous hammering, resulting in very compact molecular structure and orderly arrangement. This gives them better strength and toughness compared to cast wheels, meaning forged wheels are more robust.

1

5

Share

How Much Does Door Repainting Devalue a Car?

How to Register Modified Wheel Rims?

How many liters of coolant does a Mercedes-Benz S350 need to add?

Where is the windshield washer fluid spray location?

What sound does an engine make when it has cylinder scoring?

What does SAE mean?

What is the difference between forged and cast wheels?

What is the tutorial for removing the wipers of the Baojun 730?

Is it necessary to display the compulsory insurance decal on a car?

How to Deal with Odor in Car Air Conditioning's External Circulation Mode?

How is China 6 standard represented?