Should I Choose Coating or Crystallization for a New Car?

What is the best engine oil for Nissan Sylphy?

Nissan Sylphy is best suited for the original 5W30 specification engine oil. The selection factors and precautions for adding engine oil are as follows: Factors for selecting engine oil: It depends on factors such as the vehicle model and engine. The most basic selection of engine oil type should be based on the vehicle model. When purchasing engine oil, consult the relevant customer service or auto repair shop. The choice of engine oil can also be made according to the requirements of the engine. It is unnecessary to use overly advanced engine oil in engines with lower requirements, nor should lower-grade engine oil be used in engines with higher requirements. If the engine is in good condition and the seasonal temperature is low, it is advisable to use engine oil with lower viscosity to ensure smooth oil flow. In high-temperature seasons or when the engine is severely worn, using higher viscosity engine oil helps form an oil film and reduces engine wear. Precautions for adding engine oil: Different engine oils should not be mixed. If changing from mid-to-high-grade engine oil to ordinary engine oil, the original oil should be completely drained, and the lubrication system should be cleaned thoroughly to avoid mixing. The amount of engine oil added should be slightly lower than the maximum mark on the oil dipstick, and it should not be overfilled. Overfilling has adverse consequences. Excessive engine oil increases the rotational resistance of the crankshaft, reduces the engine's output power, and may cause the excess oil to enter the combustion chamber and participate in combustion.

20

0

Share

What Causes Heavy Throttle with Resistance When Driving?

The reasons for a heavy vehicle throttle are: 1. Power assist component: Damage to the power assist component; 2. Transmission part: Obstruction or increased friction in the transmission part; 3. Throttle: A dirty throttle causing insufficient air intake. The methods to address a heavy vehicle throttle are: 1. Cleaning: Clean the throttle, wash the fuel injectors, and lubricate the throttle cable; 2. Installation: Install an electronic throttle accelerator. Precautions for pressing the throttle are: 1. Gentle operation: Press and release the throttle pedal gently and smoothly; 2. Swift action: Coordinate the release of the clutch with pressing the throttle swiftly; 3. Appropriate gear selection: Choose the right gear to keep the engine running at medium speed and larger throttle most of the time to save fuel; 4. Throttle operation: Before driving or turning off the engine, release the throttle pedal first and avoid revving the engine abruptly.

8

1

Share

What are the possible causes of flickering Audi headlights?

Audi headlights flickering may be caused by poor wiring contact, stabilizer failure, bulb or high-voltage pack issues. Below are the detailed explanations: 1. Introduction to automotive headlights: Automotive headlights, also known as vehicle front lights or LED daytime running lights, serve as the 'eyes' of a car. They not only relate to the owner's external image but are also crucial for safe driving at night or under adverse weather conditions. The use and maintenance of vehicle lights should not be neglected. In 1898, the Columbia electric vehicle first used electricity for front and rear lights, marking the birth of automotive lighting. 2. Function of automotive headlights: They are primarily used for illumination during night driving. As the 'eyes' of a car, they significantly impact both the vehicle's appearance and safe operation in darkness or poor weather. Width indicator lights mainly display the vehicle's dimensions at night, alerting other drivers and pedestrians. When rear visibility is compromised through mirrors or during rainy/foggy conditions, these lights should be activated to enhance driving safety.

4

1

Share

What does the 225/65R17 tire mean?

225/65R17 tire is introduced as follows: 1. 225: Nominal section width of the tire (225mm). The section width of a tire refers to the maximum distance between the outer sides of the tire when it is inflated to the specified pressure. 2. 65: Nominal aspect ratio of the tire. The aspect ratio refers to the percentage of the tire's sidewall height relative to its width. A smaller number indicates a flatter tire shape. 3. R17: This is a radial tire, with a rim diameter of 17 inches. Note: Typically, the tire specification also includes a speed rating. The speed rating of a tire refers to the maximum speed at which the tire can carry a specified load under defined conditions. Generally, the sidewall of different tires will indicate the speed rating with an English letter, and then the corresponding maximum speed can be found in the tire speed rating comparison table based on this letter. For example, the letter H corresponds to 210KM/h in the tire speed rating comparison table.

18

1

Share

What Causes the Creaking Noise When Turning the Steering Wheel in an Audi?

Here are the reasons for the creaking noise when turning the steering wheel in an Audi: 1. Aging of the steering tie rod ball joint: This can cause excessive play in the tie rod, leading to steering wheel noise. The steering tie rod ball joint needs to be replaced, but remember to perform a wheel alignment after replacement. 2. Steering gear failure: If you hear abnormal noises when turning the steering wheel and the steering feel is noticeably uneven, it may be due to excessive wear of the steering gear's mating gears, causing excessive clearance. Replacing the steering gear can resolve the issue. 3. Improper tension or aging of the power steering belt: For mechanically hydraulic power steering systems, improper tension or aging of the drive belt can cause noise. Adjusting or replacing the belt can fix the problem.

19

5

Share

What to Do If You Fail the Subject 1 Test Three Times?

In the driving test regulations, both Subject 2 and Subject 3 have five scheduled test attempts each. Each test attempt includes one additional retest opportunity, meaning each subject has a total of ten test attempts. If all ten test attempts are unsuccessful, all previously passed subjects will be invalidated. You will need to pay the fees again and start learning from Subject 1 from the beginning. More relevant information is as follows: 1. It is recommended not to rush into scheduling another test: Also, avoid practicing driving. Go to work as usual, and enjoy your free time. Try not to think about the test. After some time has passed, when you feel your skills have become rusty and the instructor's teachings have become vague, start practicing driving again. Summarize the reasons for your previous test failures with your instructor. At this point, it will be easy to identify some details you previously overlooked during practice. 2. When scheduling another test, do not put additional pressure on yourself: Do not constantly think about how many times you have taken the test or what will happen if you fail again. Treat it as your first test, just like a regular practice session. The only difference is that there is someone else in the passenger seat.

16

2

Share

Should I Choose Coating or Crystallization for a New Car?

What is the best engine oil for Nissan Sylphy?

What Causes Heavy Throttle with Resistance When Driving?

What are the possible causes of flickering Audi headlights?

What does the 225/65R17 tire mean?

What Causes the Creaking Noise When Turning the Steering Wheel in an Audi?

What to Do If You Fail the Subject 1 Test Three Times?

What was the original name of scaina?

How to Drive When Approaching a Pedestrian Crossing?

Which car does the Zotye T700 imitate?

What is the actual fuel consumption of the Haval H2?