What is the Working Principle of Range-Extended Hybrid Power?

Does flooding a car have any impact on the vehicle?

Flooding a car does have an impact on the vehicle. The most concerning issues when a car is submerged in water are the potential damage to the engine and electrical system. Water entering the engine's air intake can directly affect the engine, and the electrical system is also highly vulnerable to water damage. Below is some relevant information about flood-damaged cars: 1. Flood-damaged cars pose significant safety hazards, as the electrical circuits are prone to short circuits or even catching fire. While they can be repaired to some extent, even after repairs, these vehicles still carry substantial safety risks. Most auto repair shops, including authorized service centers, are reluctant to work on flood-damaged cars due to the lingering issues, primarily contamination-related and electrical system complications. 2. The number of years a flood-damaged car can continue to operate depends on the extent of the damage and subsequent maintenance. However, the longer a vehicle remains submerged, the higher the likelihood of malfunctions, including issues with the engine and electrical system.

12

1

Share

What is the method for bleeding hydraulic brakes?

The bleeding method is as follows: 1. Remove the dust cap from the wheel cylinder, prepare a transparent hose with one end connected to the bleeder valve and the other end to a plastic container. 2. Have one person press the brake pedal several times inside the vehicle, then firmly depress it and hold. Another person should loosen the bleeder screw on the wheel cylinder outside the vehicle, allowing air to escape along with the brake fluid. 3. Repeat this process until no air bubbles appear in the discharged fluid, then top up the brake fluid and tighten the bleeder valve. Below are precautions for bleeding: 1. After performing bleeding operations or checking/refilling brake fluid, ensure the reservoir cap is properly tightened to minimize brake fluid's exposure to air, preventing moisture absorption that could degrade its performance. 2. When refilling brake fluid, do not exceed the upper limit (MAX or HIGH) marking. Brake fluid should not be mixed with other brands.

10

4

Share

What is the best engine oil for Nissan Sylphy maintenance?

For Nissan Sylphy maintenance, 5W30 engine oil is recommended. Engine oil plays a role in lubricating and reducing friction, assisting in cooling, sealing against leaks, preventing rust and corrosion, and cushioning shocks in the engine. Here is more information about the new Sylphy model: 1. Taking the 2021 Luxury Edition Sylphy as an example, its body structure is a 4-door, 5-seater sedan with dimensions of 4631mm in length, 1760mm in width, and 1503mm in height, a wheelbase of 2700mm, a fuel tank capacity of 50 liters, and a trunk capacity of 510 liters. 2. The 2021 Luxury Edition Sylphy features a MacPherson strut front suspension and a torsion beam rear suspension. It is equipped with a 1.6L naturally aspirated engine, delivering a maximum horsepower of 122PS, a maximum power of 90kW, and a maximum torque of 155Nm, paired with a 5-speed manual transmission.

6

3

Share

In which year did China IV emission standards begin?

China IV emission standards began in 2011 and were in effect until the implementation of China V standards in 2018. Therefore, vehicles produced between 2011 and 2017 comply with China IV standards. The China IV standards require approximately a 50% reduction in emissions of various pollutants compared to China III standards. Below is more information about the China IV emission standards: 1. The China IV emission standard is the fourth phase of national motor vehicle pollutant emission standards. The main pollutants emitted by vehicles include HC (hydrocarbons), NOx (nitrogen oxides), CO (carbon monoxide), and PM (particulate matter). Through the application of technologies such as improved catalytic converter active layers, secondary air injection, and exhaust gas recirculation systems with cooling devices, these standards aim to control and reduce vehicle emissions to below specified levels. 2. Compared to China III, the China IV standards require a reduction of approximately 50% in single-vehicle pollutant emissions for light-duty vehicles, about 30% for heavy-duty vehicles, and more than 80% in particulate matter emissions.

1

4

Share

What Causes the Engine Oil Pressure Warning Light to Illuminate?

The engine oil pressure warning light may illuminate due to the following reasons: 1. Insufficient engine oil level, which reduces the oil pump's output or prevents it from pumping oil due to air intake, leading to a drop in oil pressure. 2. Overheating of the engine, which can thin the oil, causing it to leak excessively through the gaps and resulting in decreased oil pressure. 3. Clogged oil filter or oil suction screen, which reduces oil supply and lowers oil pressure. 4. Oil leaks or blockages in the oil passages. Here are the steps to take when the oil pressure warning light comes on: 1. First, turn on the hazard warning lights, shift to neutral, coast to the roadside, and turn off the engine. 2. Open the engine hood, pull out the dipstick, and check the engine oil level. If the oil level is low, try to top it up before continuing your journey. 3. If the oil level is normal, check the oil viscosity. Dip your thumb and forefinger into the oil and pull them apart; there should be a 2-3mm oil thread between them. If not, the oil viscosity is too low. 4. If the oil level and viscosity are normal but the oil pressure warning light remains on after starting the engine, it indicates internal engine issues such as a faulty oil pump, clogged oil passages, excessive bearing wear, blocked oil filter, malfunctioning oil pressure relief valve, or a fault in the warning light control circuit. In such cases, the vehicle should be taken to a repair shop immediately for inspection.

5

3

Share

What are the main items to be replaced during car maintenance?

Maintenance must include replacing engine oil and the cabin air filter. It is recommended to replace the transmission fluid at 40,000 kilometers or every two years, and clean the throttle body every 20,000 kilometers. Below are relevant details about car maintenance: 1. Car maintenance refers to the preventive work of regularly inspecting, cleaning, supplying, lubricating, adjusting, or replacing certain parts of a vehicle, also known as vehicle servicing. 2. Modern car maintenance mainly includes the maintenance of the engine system, transmission system, air conditioning system, cooling system, fuel system, power steering system, etc. 3. The purpose of car maintenance is to keep the vehicle clean and in good technical condition, eliminate potential hazards, prevent faults, slow down the deterioration process, and extend the service life.

12

3

Share

What is the Working Principle of Range-Extended Hybrid Power?

Does flooding a car have any impact on the vehicle?

What is the method for bleeding hydraulic brakes?

What is the best engine oil for Nissan Sylphy maintenance?

In which year did China IV emission standards begin?

What Causes the Engine Oil Pressure Warning Light to Illuminate?

What are the main items to be replaced during car maintenance?

What Causes the Engine to Make a Gurgling Sound During Acceleration?

How Long Does a Rubber Tire Plug Last?

Which brand does Ora belong to?

How to Set One-Touch Power Window for Kia Sportage?