What is the difference between a truck-mounted pump and a ground pump?

Does a CVT transmission have gear shift jerkiness?

CVT transmission jerkiness is a normal phenomenon, as the jerking sensation is caused by the inertia of moving parts inside the engine. Below are the reasons for CVT transmission jerkiness: 1. Upshift jerkiness occurs because the transmission's response speed is not fast enough, and the upshift speed cannot keep up with the throttle input. This creates a jerking sensation at the moment of gear shifting. 2. Downshift jerkiness happens when the energy recovery system engages. Once the driver releases the throttle pedal or presses the brake pedal, the generator immediately starts working with the engine, placing a load on it and affecting the engine speed. This causes the engine speed and clutch plate speed to become unsynchronized, resulting in a jerking sensation. 3. Low-speed jerkiness occurs because the transmission frequently shifts between first and second gears during low-speed driving. The constant engagement and disengagement of the clutch prevents smooth power transmission in a short time, leading to low-speed jerkiness. Startup and low-speed driving may feel jerky due to turbocharger engagement at low RPMs, which affects engine speed.

1

4

Share

Can the car body color be changed?

According to national regulations, the color of a car cannot be changed privately. To change the body color, an application must be submitted. The following is an introduction to the process of changing car color: 1. Changing the body color requires applying to the relevant authorities. The application process consists of three parts: first, the vehicle must be inspected in its original factory condition; second, an application form must be filled out at the processing window; and third, a fee must be paid to obtain a new vehicle license. 2. Color is one of the elements of car styling. Car colors include the paint color of the exterior and the colors of various interior materials. When the interior environment of the car and the exterior color harmonize with the surroundings, it can provide a pleasant aesthetic experience for passengers and pedestrians. 3. During the use of cars, certain colors gradually acquire special meanings. For example, fire trucks use red, medical ambulances use white, China Post vehicles use green, military vehicles are generally dark green, and engineering machinery vehicles often use yellow and black colors. Some cars also feature functional emblem patterns on the base color.

19

0

Share

Is Indirect Tire Pressure Monitoring Good?

Indirect tire pressure monitoring is excellent and practical. Indirect tire pressure monitoring is one of the main methods of tire pressure monitoring. Below is an introduction to indirect tire pressure monitoring: 1. Indirect tire pressure monitoring compares the rotational speed differences between tires using the wheel speed sensors of the car's ABS system. When a tire's pressure is too low, the weight of the car causes the diameter of that tire to decrease, resulting in a faster rotational speed compared to other wheels. The number of rotations between the left and right wheels differs, creating a deviation in the rotational speed of that wheel relative to the others, thereby achieving the purpose of monitoring tire pressure. 2. The indirect tire pressure warning system essentially relies on calculating the rolling radius of the tires to monitor air pressure. 3. The advantages of indirect tire pressure monitoring include easy installation, simple maintenance, immunity to signal interference, no concern about battery lifespan, high accuracy, and lower cost compared to direct tire pressure monitoring systems.

18

1

Share

What does the first maintenance at a 4S shop include?

Car first maintenance is the initial service performed after purchasing a new vehicle. The following are the inspection items typically covered during the first maintenance at a 4S shop: 1. Replace engine oil and oil filter, clean air filter. 2. Check if the coolant level meets specifications. 3. Inspect brake and clutch fluid levels. 4. Verify power steering fluid reservoir level compliance and check for oil leaks at all pipe connections. 5. Examine battery fluid level and windshield washer fluid level. 6. Inspect tension and aging condition of belts for generator, air conditioning, water pump, and power steering pump. 7. Check completeness of front/rear lights (including headlights, width indicators, turn signals, brake lights, reverse lights, and fog lights). 8. Inspect tire pressure and wear condition, tighten wheel bolts to specified torque, replenish tire pressure to manufacturer-recommended values, and perform tire rotation if necessary based on wear patterns. 9. Verify whether vehicle exhaust emissions meet standards. Additional information: The first maintenance must be performed at an authorized 4S shop. All automobile manufacturers stipulate that only vehicles receiving their first maintenance at 4S shops can enjoy warranty coverage. The first maintenance doesn't necessarily need to be done at the purchasing dealership - it can be performed at any conveniently located authorized 4S shop.

1

2

Share

Will a Bulging Tire Lead to a Blowout?

A bulging tire has the potential to cause a blowout. Here are the details about tire bulges: 1. If a bulge appears on the sidewall of a tire, it not only affects driving but also poses a risk of a blowout. A tire with a "bulge" should no longer be used, as it could burst at any time, creating a major safety hazard for the vehicle. 2. If a bulge is detected, it must not be ignored and should be replaced immediately. Whether it's a bulge or a sidewall damage/crack, it cannot be repaired by patching. 3. A tire bulge is caused by the breakage of the tire cords, which leads to the rubber being compressed and expanded by air pressure. This is an irreversible process, and a bulging tire cannot be restored. Along with the bulge comes the hidden danger of a blowout. 4. In a bulging tire, the cords are damaged, and the air can break through the weakened rubber (resulting in a blowout). A sudden blowout at high speeds is extremely dangerous—the faster the speed, the higher the fatality rate. A blowout at speeds exceeding 160 km/h is almost always fatal.

5

4

Share

Why does the dashboard display eco?

ECO indicates that the vehicle's economical driving mode is activated. ECO is an English abbreviation derived from the combination of Ecology (environmental protection), Conservation (energy saving), and Optimization (power). The Eco mode is further divided into active Eco driving mode and non-active Eco driving mode. The Eco mode can be categorized into active and non-active types, with the difference being that the active type has a dedicated button, allowing the driver to choose whether to activate it. When the driver presses the Eco mode switch, the dashboard indicator light will illuminate, and the vehicle will automatically adjust settings such as throttle opening, gear shift logic, and air conditioning output power. The non-active Eco mode does not have a dedicated button. When the dashboard Eco indicator light is on, it merely serves as a reminder function. The Eco system automatically evaluates your driving behavior. If your current driving operation achieves the optimal fuel supply, the dashboard will simultaneously display the Eco indicator light. Most vehicles use the active Eco driving mode, meaning they have a dedicated switch button. Therefore, during daily driving, we can activate the Eco mode. However, it is unnecessary to enable the Eco mode when driving at speeds exceeding 120 km/h, during idle parking, in N/P gear, or in manual mode, especially when climbing hills. Doing so would not reflect the fuel-saving characteristics of the Eco mode and could also affect the vehicle's power performance. Additionally, the Eco mode typically becomes ineffective under the following circumstances: When the vehicle speed exceeds 120 km/h, the system prioritizes speed, and the Eco mode automatically deactivates. During idle parking or in N/P gear and manual mode, the Eco mode may also become ineffective. When high torque output is required, such as when climbing a hill, the engine control unit prioritizes ensuring sufficient power to drive the vehicle, and the Eco mode will not function in such scenarios.

13

0

Share

What is the difference between a truck-mounted pump and a ground pump?

Does a CVT transmission have gear shift jerkiness?

Can the car body color be changed?

Is Indirect Tire Pressure Monitoring Good?

What does the first maintenance at a 4S shop include?

Will a Bulging Tire Lead to a Blowout?

Why does the dashboard display eco?

Can I pick up my car from the 4S shop if the insurance company hasn't paid for the repairs?

What to Do When the Exhaust Pipe is Blocked?

How Long Can You Drive After the Oil Change Reminder?

Why Should the Steering Wheel Be Straightened After Parking?