What is the difference between the Volkswagen Passat 280 and 330?

Should You Release Air from Tires with High Pressure in Summer?

If the tire pressure is indeed high in summer, exceeding the recommended value by more than 0.3 bar, it is advisable to slightly release some air from the tires. However, when doing so, ensure that the air is released evenly. Make sure the air pressure is balanced between the two front wheels and the two rear wheels. Avoid releasing air from only one side, as a significant difference in tire pressure between the two tires can cause the vehicle to pull to one side. Hazards of excessive tire pressure: Reduced tire friction and adhesion, affecting braking performance; Causes steering wheel vibration and pulling, reducing driving comfort; Accelerates wear on the central tread pattern, shortening tire lifespan; Increases vehicle vibration, indirectly affecting the lifespan of other components; Overextends the tire cords, reducing tire elasticity and increasing the load on the vehicle during driving; Decreases puncture resistance. When encountering sharp objects like nails or glass on the road, the tire is more prone to punctures, and impacts can lead to internal cracks or blowouts, resulting in a flat tire.

9

5

Share

What is the model number of the transmission fluid level screw?

The transmission filling screw is M20x1.5, and the drain screw and oil pan screw are of the same model, both being M14x1.5. The signs that indicate the need for transmission fluid replacement are: body shaking, gear shifting hesitation; the dashboard shows a transmission high-temperature warning; the car stalls; unusual noises occur. The methods for replacing transmission fluid are as follows: Unscrew the drain screw at the bottom of the transmission to drain the fluid before refilling. Remove the transmission oil pan directly to drain and refill the fluid: this method is more thorough than the previous one, as it removes impurities from the bottom of the oil pan. Use a circulation machine to replace automatic transmission fluid: dynamic fluid replacement with an intelligent circulation machine can filter and clean sludge and impurities inside the automatic transmission. The hazards of not replacing transmission fluid for a long time: 1. Damage to the transmission's gear shifting control mechanism; 2. Abnormal wear of gears and clutch plates inside the transmission; 3. Affects the normal operation of the transmission, leading to damage to the transmission valve body.

8

4

Share

What is the normal crankshaft case pressure?

The normal negative pressure value for the crankshaft case is -350mbar. The engine's crankshaft ventilation system is a forced ventilation system, where the crankshaft case is connected to the intake pipe. The vacuum from the intake system draws the gases from the crankshaft case into the cylinders. As a result, the crankshaft case maintains a negative pressure state under most operating conditions, with the magnitude of the negative pressure related to the intake system pressure. To prevent excessive crankshaft case pressure, extend the service life of the engine oil, reduce component wear and corrosion, and prevent engine oil leaks, crankshaft case ventilation must be implemented. The purposes of crankshaft case ventilation are as follows: Prevent lubricating oil deterioration and fuel dilution of the oil, reducing wear and corrosion of engine components. Pressure reduction, temperature reduction, and leak prevention: Gases leaking into the crankshaft case increase the pressure and temperature inside, causing oil to leak through the crankshaft seals and gaskets. Recover combustible gases and reduce pollution. The gases that enter the crankshaft case are drawn back into the cylinders for combustion, recycling CH compounds and reducing atmospheric pollution.

8

3

Share

What are the penalties for driving in the wrong direction on highways under the 2021 regulations?

When driving in the wrong direction during vehicle operation, 12 points will be deducted at once and a fine of 200 yuan will be imposed. If driving in the wrong direction on a one-way street, 3 points will be deducted and a fine will be imposed. Handling measures for driving in the wrong direction on highways: If you find yourself accidentally driving in the wrong direction on a highway, you should immediately pull over to the emergency lane while ensuring traffic safety, turn on the hazard lights, move to a safe area outside the guardrail, place a warning triangle 100 meters in front of the vehicle, contact the traffic police, wait for their arrival, and cooperate fully with the handling process. How to handle the violation of driving in the wrong direction on highways: Generally, driving in the wrong direction on a highway will result in a 12-point deduction. If a driver accumulates 12 points within a scoring cycle, they must report to the traffic management department at the place where the motor vehicle driver's license was issued or where the violation occurred to undergo a 7-day training on road traffic safety laws and related knowledge. Afterward, they must retake the subject one exam. Only upon passing the exam will the points be cleared.

15

2

Share

What Do the Markings on Highways Mean?

There are four common types of markings on highways: rumble strips, lane dividing lines, channelizing lines, and deceleration markings. Rumble Strips: Also known as noise strips, they primarily remind drivers to stay in their lane and reduce speed to avoid fatigue driving. When vehicles pass over these markings, they produce a "rumbling" sound, which serves as an effective warning and reminder for drivers, hence the name "noise strips." Lane Dividing Lines: Solid white lines are lane separation lines, prohibiting overtaking. If the lines are dashed white, they are lane demarcation lines, indicating the position of the lane, and these dashed lines can be crossed. Channelizing Lines: These consist of one or more white V-shaped lines or diagonal stripes designed according to the intersection's terrain, indicating that vehicles must follow the prescribed route and must not drive over or cross these lines. These channelizing lines are mainly used for overly wide, irregular, or complex intersections, interchange ramps, and other special locations. Deceleration Markings: These are white dashed lines set up in toll plaza areas, exit ramps, and other sections where vehicle speed reduction is required. They come in single, double, or triple dashed lines, perpendicular to the direction of travel. Longitudinal deceleration markings are a series of diamond-shaped dashed lines parallel to the lane dividing lines. They are typically placed at bridge approaches, turns, and other locations to create a visual narrowing of the lane, inducing a sense of pressure and prompting drivers to automatically reduce speed at curves, slopes, and other areas requiring deceleration.

14

5

Share

How to downgrade an A2 driver's license after a 12-point deduction at once?

According to previous regulations, a driver's license would be downgraded if it accumulated 12 penalty points. However, with the implementation of new regulations on April 1, 2022, holders of an A2 driver's license will no longer face downgrade if they accumulate 12 points in a single scoring cycle. Instead, the license holder must participate in the study and examination of Subject 1 to clear the violation points and retrieve their driver's license. The A2 driver's license permits the operation of tractor-trailers, which can tow heavy and medium-sized full trailers or semi-trailers. Here, it's necessary to explain what a trailer is. Trailers are divided into two types: full trailers and semi-trailers. A full trailer bears its total weight entirely by itself, while a semi-trailer shares part of its total weight with the towing vehicle. Only drivers holding an A2 license can operate such tractor-trailers; even those with an A1 license are not permitted to drive them. To downgrade an A2 driver's license, one must visit the local vehicle management office. Before processing, bring your ID card and driver's license: 1. An A2 license downgrade will result in a B1 or B2 license (i.e., B1 or B2 driver's license). The A2 license corresponds to tractor-trailers, the B1 license to medium-sized buses, and the B2 license to large trucks. Other vehicle types that an A2 license holder can drive include: B1 (medium-sized buses), B2 (large trucks), C1 (small cars), C2 (small automatic transmission cars), C3 (low-speed cargo vehicles), C4 (three-wheeled vehicles), and M (wheeled self-propelled machinery). Article 68 of the new traffic regulations stipulates: If a driver holding a large passenger vehicle, tractor-trailer, city bus, medium-sized bus, or large truck driver's license falls under any of the following circumstances, the vehicle management office shall revoke their highest permitted driving qualification and notify the driver to complete the downgrade and license replacement within 30 days: Being involved in a traffic accident resulting in death and bearing equal or greater responsibility, without constituting a crime. Accumulating 12 penalty points in a single scoring cycle. Failing to undergo inspection for three consecutive scoring cycles. The full name of a driver's license is a motor vehicle driver's license, also known as a "driver's license," which is a certificate required by law for individuals to operate motor vehicles. Driving a motor vehicle requires certain driving skills. Without these skills, operating a vehicle recklessly may lead to traffic accidents. Generally, individuals cannot drive on the road without a license. However, for those who have mastered safe driving techniques, the document allowing them to drive on the road is the "driver's license." This indicates that a driver's license is a "permit." The permission to drive a vehicle is granted through the issuance of a driver's license. This shows that obtaining a driver's license is a formal process that must be conducted by a specialized authority. Internationally, a driver's license is defined as: "A document issued by the competent authority permitting the holder to drive a motor vehicle." In China, a driver's license is defined as: A motor vehicle driver's license is a legal document issued by the management authority to individuals who have learned and mastered traffic regulations and driving skills, permitting them to operate specific types of motor vehicles after passing the required examinations.

3

Share

What is the difference between the Volkswagen Passat 280 and 330?

Should You Release Air from Tires with High Pressure in Summer?

What is the model number of the transmission fluid level screw?

What is the normal crankshaft case pressure?

What are the penalties for driving in the wrong direction on highways under the 2021 regulations?

What Do the Markings on Highways Mean?

How to downgrade an A2 driver's license after a 12-point deduction at once?

Can the ETC device be placed on the tinted black area?

Is power steering fluid the same as hydraulic transmission fluid?

What is a Flood-Damaged Vehicle?

How Many Bottles of Undercoating Are Needed?