What is the drag coefficient of the Nissan Sunny?

Does Parking on a Slope Overnight Have Any Impact?

Parking at a slight angle overnight will not have an impact, but long-term parking on a slope can cause damage to the car. Below are the effects of long-term parking on an inclined surface: Frame Deformation: The manufacturing tolerances for the car body are very strict. Parking on a slope causes the entire body to tilt, subjecting it to uneven forces that can lead to deformation. Over time, this can cause irreversible deformation to the frame, potentially even affecting the normal operation of opening and closing doors. Suspension System Damage: This includes the shock absorber springs, dampers, and anti-roll bars. When a car is parked on an inclined surface, except for the dampers, the shock absorber springs and anti-roll bars remain under tension. Long-term parking on a slope can lead to uneven fatigue on one side of the springs, reducing their performance and lifespan. Tire Wear: Tires bear the full weight of the car. Parking on a slope causes uneven force distribution on the tires, leading to deformation or uneven wear.

20

4

Share

What Problems Will Occur If the Generator Is Broken?

Here are the problems that may occur if the generator is damaged: 1. The headlights or dashboard lights become dim. The alternator is part of the vehicle's electrical system. Its main function is to provide power to operate the starter, ignition, and all electronic accessories in the car. If the generator starts to fail, the headlights or dashboard lights may begin to dim. Once the dashboard lights or headlights become dim, this is a clear sign of potential alternator failure. 2. The warning light comes on. Most modern vehicles have an alert system where the generator warning light on the dashboard flashes. Typically, the light is shaped like a battery, though some may display "ALT" (alternator) or "GEN" (generator). If multiple electrical components are in use, this light may only trigger when the vehicle indicates how much power the generator has left and how much electrical load remains. 3. A burning smell from the generator belt. The alternator works in conjunction with a belt system. If the belt does not rotate freely, excessive friction can cause the belt to overheat, producing a burning rubber smell. If you notice a smell similar to an electrical fire, this may indicate that the belt on the alternator pulley is slipping, resulting in poor generator output.

18

5

Share

Why is there excessive exhaust gas without burning engine oil?

Excessive exhaust gas without burning engine oil is most likely caused by excessive piston ring clearance, which produces waste gas. Valve stem seals do not cause this type of exhaust gas, and excessive valve guide clearance can also lead to this phenomenon, although such faults are rare. The main causes are still related to the piston and piston rings. The following are the reasons for the fault: 1. Wear of the engine piston rings: Severe wear of the engine piston rings and cylinder liners, piston top erosion or cylinder scoring. If the piston rings and cylinder liners are severely worn, or if there is piston top erosion or cylinder scoring, the seal between the piston rings and cylinder liners becomes loose. During the compression and expansion processes of the diesel engine, a large amount of compressed gas enters the crankcase through the tiny gaps between the piston rings and cylinder liners, leading to increased crankcase exhaust gas pressure. The main symptoms include severe exhaust gas from the breather, insufficient engine power, and possibly blue smoke. 2. Incorrect installation of engine piston rings: If the piston rings are installed incorrectly with all gaps aligned, even if the piston rings are not worn, a large amount of high-pressure gas during the compression and expansion processes will enter the crankcase, causing increased crankcase exhaust gas pressure.

18

4

Share

Do I still need to display the 2021 vehicle inspection sticker?

In 2021, physical vehicle inspection stickers are no longer required to be displayed, but an electronic version of the inspection certificate must be provided. Detailed explanation: Since June 20, 2020, electronic vehicle inspection certificates have been implemented nationwide in China. The electronic inspection certificates are issued through the unified national internet traffic safety service platform, making the application, presentation, and use of vehicle inspection certificates more convenient. According to the "Regulations for the Implementation of the Road Traffic Safety Law of the People's Republic of China": 1. License plates must be displayed in designated positions: Vehicle license plates must be displayed at the designated positions on the front and rear of the vehicle, kept clear and intact. Heavy and medium-duty trucks and their trailers, tractors and their trailers must have enlarged license plate numbers painted on the rear of the body or carriage, with characters upright and clearly visible. 2. Labels must not affect safe driving: Vehicle inspection certificates and insurance labels should be affixed to the upper right corner of the front windshield. Any painting, labels, or body advertisements on the vehicle must not affect safe driving.

18

0

Share

How Often Should Toyota Genuine 0w20 Engine Oil Be Changed?

Toyota Genuine 0w20 engine oil and the oil filter should be replaced every 12 months or after exceeding 10,000 km of driving. It is essential to regularly change the engine oil of motor vehicles to ensure the proper operation of the engine. Engine oil effectively protects the internal components of the engine and ensures its normal power output. Engine oil, also known as engine lubricant, serves multiple functions including lubrication and friction reduction, aiding in cooling and temperature reduction, sealing to prevent leaks, rust and corrosion prevention, as well as shock absorption. When the oil pan indicates a low oil level, it is crucial to promptly add the same type of oil. Avoid mixing different types of oil as this can degrade the oil's performance, reducing its ability to protect the engine and leading to severe wear of engine components. Under the following conditions, the engine oil and oil filter should be replaced every 5,000 km or every 6 months: Extreme road conditions: frequent driving on bumpy, muddy, or snow-melting roads. Regular driving on dusty roads, areas with low paving rates, or roads in dry and dusty environments. Extreme driving conditions: vehicles frequently carrying heavy loads or overloaded; vehicles experiencing prolonged idling and/or long-distance low-speed driving. Continuous high-speed driving (80% or more of the maximum speed) for over 2 hours.

6

1

Share

Why Can't a Spare Tire Be Used as a Regular Tire?

Spare tires cannot be used as regular tires for the following reasons: spare tires have different friction coefficients, ground adhesion, and air pressure compared to other tires. Prolonged use can affect the vehicle's braking system, steering system, and suspension system, posing significant safety hazards. Additionally, since spare tires and original tires are manufactured at different times, their aging, hardening, lifespan, and deformation vary. Therefore, long-term use is unsafe. Spare tires should be replaced with original tires as soon as possible after emergency use. Moreover, regardless of their width, spare tires have specific production and usage requirements set by manufacturers. Since spare tires are not used regularly, they do not experience wear. Using a brand-new tire alongside heavily worn tires can create safety risks. Currently, there are three internationally recognized types of spare tires: the first type is identical to the regular tire, known as a full-size spare; the second is a non-full-size spare, commonly referred to as a narrow tire, usually smaller in size; the third is a folding spare tire, which is stored folded in the trunk and inflated when needed for emergency use. The difference in size between spare tires and regular tires is primarily for safety reasons. Since car tires inevitably wear over time, even if a spare tire is of normal size, the difference in wear between the spare and the other tires can create safety hazards. To discourage long-term use of spare tires, manufacturers intentionally make spare tires smaller to prompt drivers to replace them with regular tires promptly. Spare tires also require maintenance: Regular inspections are necessary because spare tires are rarely used and often overlooked. When needed, drivers may find the spare tire flat or cracked, leading to significant issues. Avoid oil contamination. Oil products should not be stored with spare tires, as rubber, the main component of tires, is highly susceptible to damage from oil exposure. Some externally mounted spare tires are exposed to harsh weather conditions, which may shorten their lifespan.

19

0

Share

What is the drag coefficient of the Nissan Sunny?

Does Parking on a Slope Overnight Have Any Impact?

What Problems Will Occur If the Generator Is Broken?

Why is there excessive exhaust gas without burning engine oil?

Do I still need to display the 2021 vehicle inspection sticker?

How Often Should Toyota Genuine 0w20 Engine Oil Be Changed?

Why Can't a Spare Tire Be Used as a Regular Tire?

What is the reason for the car's fan not running at high speed?

How many kilometers can 55 liters of fuel run?

What are the dimensions (length, width, height) of the Model Y?

Does Rear Bumper Beam Deformation Have a Significant Impact on the Vehicle?