How to Deal with Cement Slurry on a Car?

Do SUVs have high fuel consumption?

SUV's body weight and structural characteristics usually result in higher fuel consumption compared to sedans with the same displacement. The following are the factors affecting fuel consumption: Vehicle factors: Fuel consumption is related to displacement. Generally, the larger the displacement, the higher the fuel consumption. At the same time, the thermal efficiency of the engine and the aerodynamic design of the car will also affect the fuel consumption. When the car is moving, the airflow passing through the car will generate vortices, and overcoming air resistance requires additional fuel consumption. SUVs need to overcome more air resistance than sedans, leading to higher fuel consumption. External environmental factors: Road conditions and the external environment will also have a significant impact on fuel consumption. Generally, flat roads consume less fuel than uneven roads, straight roads consume less fuel than winding roads, and smooth roads consume less fuel than congested roads. In winter, the low temperature prevents gasoline from reaching the optimal combustion temperature, resulting in incomplete combustion and some fuel consumption loss.

3

4

Share

What is the wading depth of the Volkswagen Tiguan?

The wading depth of the Tiguan is 580mm. The wading depth of the Tiguan is determined by the height of the vehicle's chassis, which is the ground clearance listed in the model's parameter configuration table. Generally, the greater the ground clearance, the higher the chassis, and the higher the safety factor when driving through waterlogged roads. Therefore, in terms of safe wading depth, off-road vehicles and SUVs have obvious advantages. However, for most compact and small cars with low chassis, the position of the vehicle's air intake should be used as a benchmark when passing through waterlogged roads. If the air intake is below the water level when the Tiguan is wading, water will be sucked into the engine's cylinders. Since water cannot be compressed like air, it can cause severe damage to the engine's mechanical components (such as connecting rods, pistons, crankshafts, etc.). Therefore, the wading depth must not exceed the height of the engine's air intake. Alternatively, the height of the engine's air intake (and thus the maximum wading depth) can be increased by installing a snorkel. If wading is unavoidable, the following safe and correct operations should be performed: Before the vehicle enters the water, ensure that the auto start-stop function is turned off to prevent the engine from automatically restarting if the vehicle stalls in the water, which could lead to severe engine damage due to water ingress. Assess the underwater road conditions based on the passage of preceding vehicles and choose an appropriate entry point. Observe the path taken by other vehicles and follow it at a low speed, avoiding sudden acceleration or deceleration. On roads prone to water accumulation, observe warning water level markers, trees, or other vehicles' wheels and doors as reference points to estimate the water depth before deciding whether to proceed. Know your vehicle's safe wading depth. If the water depth exceeds half the height of the tires or the engine's air intake, do not attempt to drive through. Instead, choose an alternative route.

12

0

Share

What are the reasons for Isuzu's lack of power and inability to run?

Here are the specific reasons why an Isuzu vehicle may lack power and fail to run properly: 1. Reduced fuel supply in the fuel system: Air intrusion into the diesel fuel supply lines causes a decrease in fuel supply, resulting in minimal fuel in the high-pressure fuel lines. 2. Damaged engine injectors: Poor diesel atomization and injector dripping. Based on past experience, there are two possible reasons for injector dripping: First, during engine operation, high-pressure diesel from the fuel injection system often carries mechanical impurities into the injector, which adhere to the sealing cone surface of the needle valve body, causing poor sealing. Second, due to erosion from high-pressure, high-temperature gases in the combustion chamber and frequent scouring by mechanical impurities during combustion, pitting and erosion marks appear on the sealing ring between the needle valve and its body, degrading the sealing performance and leading to dripping, which results in poor combustion. 3. Fault in the diesel high-pressure fuel pump: Severe wear between the cylindrical pressure relief ring and the delivery valve seat, with the relief band and the upper end of the valve seat worn into a conical shape, creating excessive clearance. This prevents the relief band from fully exposing the valve seat during fuel pump operation, reducing the fuel pressure in the high-pressure line. During the second injection, more fuel supply time is needed to raise the line pressure to the injection pressure, causing a delay in injection timing and reduced fuel delivery. Consequently, excessive residual diesel remains in the high-pressure line when the pump stops, with high residual pressure, leading to incomplete injector spray and post-dripping. 4. Low cylinder pressure issues: Piston ring gaps, broken piston rings, cylinder scuffing, sudden breakage of valve springs or stuck valves, and damaged cylinder head gaskets. Insufficient pressure inevitably causes large amounts of white diesel vapor or oil mist to be expelled from the exhaust pipe, resulting in insufficient engine power.

16

2

Share

What is the function of the push button in a car?

The push button in a car has three functions: activating the rear window defroster, turning on the air recirculation, and serving as a handbrake. Below is a detailed introduction to the push button: Detailed introduction to the push button: On the airflow (also called mode) control knob, there is a PUSH button in the center (with a rear window defroster symbol below it). Pressing it to light up the indicator activates the rear window defroster. On the temperature (also called climate) control knob, there is a PUSH button in the center (with an air recirculation symbol below it, which is a half-circle with an arrow inside the car). Pressing it to light up the indicator turns on the air recirculation. The push button functions as a handbrake: The third function of the push button is to act as a handbrake. The handbrake, technically known as an auxiliary brake, operates differently from the main brake system. It uses a steel cable connected to the rear brake shoes to apply braking force to the car. Prolonged use of the handbrake can cause the steel cable to undergo plastic deformation. Since this deformation is irreversible, long-term use will reduce its effectiveness and increase the handbrake's travel distance.

4

5

Share

Is the Aiways U5 a single motor or dual motor?

The Aiways U5 is a single motor model. This vehicle features a front-mounted electric motor, which means it is front-wheel drive. The motor in the Aiways U5 has a maximum power output of 140 kW and a maximum torque of 315 Nm. The power delivery of an electric motor differs from that of a conventional internal combustion engine. While typical gasoline or diesel engines require reaching a certain RPM to achieve maximum torque, electric motors do not. Differences between single motor and dual motor: During the later stages of single motor operation, frequency converter alarm trips occur more frequently. When brake pad performance is poor, controlling vehicle speed and coasting distance becomes difficult, posing significant safety risks. In contrast, with dual motor operation, if one frequency converter trips due to an alarm, the other can still effectively control the vehicle speed, helping to prevent accidents. During operation, vehicles with dual motors exhibit faster acceleration during startup and smoother gear shifts, whereas single motor vehicles respond more slowly to acceleration and have a higher chance of shaking during gear shifts. Single motor operation is a last-resort solution when synchronization issues or frequency converter alarm trips occur in dual motor setups, and it does not fundamentally address the operational problems of electric vehicles.

11

5

Share

How to rotate the middle row seats of Refine?

The middle row seats of Refine can be rotated. There are three adjustment handles beside the seats. Lift the bottom handle and rotate the seat to complete the operation. Below is an introduction to Jianghuai Refine: 1. Jianghuai Refine has launched three highly impactful vehicle model combinations: including the flagship new product of the Refine series, Refine Xianghe, which extends into the high-end MPV category; Refine Colorful Journey, which brings a new level of practicality and reliability for business and official use vehicles; and the Refine Shuttle series, which promotes revolutionary upgrades in the light passenger vehicle market. 2. The related vehicle models of Refine fall between minivans and MPVs. To be precise, they should be categorized as MPVs (Multi-Purpose Vehicles). 3. Compared to ordinary minivans, it is more luxurious and comfortable, improving the passenger environment of minivans; compared to traditional MPVs such as the Honda Odyssey and Buick GL8, it is in the same class but more practical for daily life in terms of carrying people and goods. Similar products include Foton Montpike.

16

2

Share

How to Deal with Cement Slurry on a Car?

Do SUVs have high fuel consumption?

What is the wading depth of the Volkswagen Tiguan?

What are the reasons for Isuzu's lack of power and inability to run?

What is the function of the push button in a car?

Is the Aiways U5 a single motor or dual motor?

How to rotate the middle row seats of Refine?

Does the new Dongfeng Fengshen AX7 use a BMW engine?

Can the Odyssey Hybrid Apply for a Green License Plate?

What does Mercedes-Benz GLC stand for?

What is a Class C Driver's License?