What are the main items checked during a vehicle annual inspection?

How Many Meters Should You Maintain Straight Driving in Subject Three?

There is no fixed distance for straight driving in Subject Three of the driving test, but it is generally around 100 meters. The main challenge of this task is to keep the vehicle moving in a straight line, but it's important to note that there are also speed requirements for straight driving—the vehicle must reach the specified speed to pass. Below is some relevant information on how to maintain straight driving in Subject Three: 1. Choose a fixed reference point: You can pick a fixed point on the road ahead, which could be an object or a marker. Keep your eyes on the selected point to guide your driving. 2. Maintain an appropriate speed: In fact, if the speed is too slow, the vehicle is more likely to deviate. Since the speed requirements for straight driving vary by location, drive at a steady speed according to local regulations and avoid significant acceleration or deceleration.

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How to Solve the Abnormal Noise from Shock Absorbers?

Here are the solutions for abnormal noise from shock absorbers: It is recommended to replace the shock absorber. Below is relevant information about shock absorbers: 1. Working Principle: When relative motion occurs between the frame (or body) and axle due to vibration, the piston inside the shock absorber moves up and down, causing the oil in the shock absorber chamber to repeatedly flow from one chamber to another through different pores. At this time, the friction between the pore walls and the oil, as well as the internal friction between oil molecules, creates a damping force that converts the vehicle's vibration energy into heat energy of the oil, which is then absorbed by the shock absorber and dissipated into the atmosphere. 2. Purpose: To accelerate the attenuation of frame and body vibrations and improve the vehicle's ride smoothness (comfort), most automotive suspension systems are equipped with shock absorbers.

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What is the optimal position to adjust the rearview mirror for Subject 3?

For Subject 3, adjust the rearview mirror so that the door handle is at the intersection of the 'midpoint vertically and the one-third line near the vehicle side.' Here are the relevant details: 1. Left and right position adjustment: Generally, you should not see yourself in the central rearview mirror, while the vertical position should place the distant horizon at the center of the mirror. 2. Adjustment key points: Keep the horizon level in the middle and position your left ear on the left edge. This means placing the distant horizon along the centerline of the central rearview mirror and then adjusting left and right so that the image of your right ear appears at the left edge of the mirror. 3. Friendly reminder: Rearview mirrors are crucial for driving, and proper adjustment helps reduce blind spots. This is essential for achieving good results in the Subject 3 exam.

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How to Deal with Ineffective Drum Brakes on Motorcycles?

Methods for handling ineffective drum brakes on motorcycles: The brake pads can be sanded based on their wear marks to ensure sufficient contact area with the brake drum during braking. Below is relevant information about drum brakes: 1. Principle: Drum brakes utilize stationary brake pads inside the brake drum to create friction against the rotating drum, thereby reducing the wheel's rotational speed. 2. Advantages: Drum brakes have excellent self-braking properties. As the brake pads expand outward, the rotating wheel causes the expanding brake drum to twist slightly, increasing the outward tension (braking force) of the brake pads. This effect becomes more pronounced with greater force, which is why large vehicles typically use drum brakes. Besides lower costs, the main difference between drum brakes on large and small vehicles is that large vehicles often use pneumatic assistance, while small vehicles use vacuum assistance to aid braking.

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What is the emission standard for vehicles from 2017?

Vehicles from 2017 comply with the China V emission standard. The full name of the China V standard is the National Fifth Stage Emission Standard for Motor Vehicle Pollutants. The emission control level of the China V standard is equivalent to the Euro 5 emission standard currently implemented in Europe. The European Union has been enforcing this standard since 2009, which imposes stricter limits on vehicle emissions such as nitrogen oxides, hydrocarbons, carbon monoxide, and particulate matter. From China I to China IV, each upgrade in the standard reduces vehicle pollution by 30% to 50%. Compared to the China IV standard, the China V standard reduces nitrogen oxide emissions from light-duty vehicles by 25% and from heavy-duty vehicles by 43%. Effects of implementing the China V standard: It promotes the improvement of domestic gasoline and diesel quality for vehicles, contributes to the reduction of pollutants from new vehicles, and improves the emission conditions of a large number of in-use vehicles.

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How to Change the Transmission Oil for Lavida?

Here are the steps to change the transmission oil for Lavida: 1. Start the engine and wait until it reaches normal operating temperature; 2. Loosen the oil drain plug with a wrench and use an oil pan to catch the old oil until it stops flowing. Then, run the engine for 30 seconds to allow the oil in the main oil passage to drain; 3. Remove the oil filter using a specialized wrench; 4. Apply some oil to the oil seal of the new oil filter and tighten it clockwise by hand; 5. Add new oil through the oil filler cap on the engine valve cover, typically filling up to three-quarters of the oil container; 6. Start the engine and let it run for 5 minutes, then check for any leaks around the oil drain plug and oil filter. If leaks are found, perform necessary repairs; 7. After stopping the engine, pull out the oil dipstick to ensure the oil level is within the standard range.

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What are the main items checked during a vehicle annual inspection?

How Many Meters Should You Maintain Straight Driving in Subject Three?

How to Solve the Abnormal Noise from Shock Absorbers?

What is the optimal position to adjust the rearview mirror for Subject 3?

How to Deal with Ineffective Drum Brakes on Motorcycles?

What is the emission standard for vehicles from 2017?

How to Change the Transmission Oil for Lavida?

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When should the transmission fluid be changed for a BMW 3 Series?

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