Does a car with greater friction move faster or slower?

What are some car repair experiences?

Car repair experiences are as follows: Corrosive wear: After fuel is burned in the engine combustion chamber, many harmful substances are produced. Generally, 1-5 pounds of nitrogen and sulfuric acid are generated for every 100 gallons of gasoline burned. These substances not only corrode the cylinders but also enter the engine through the three piston rings (top, middle, and bottom rings), causing metal corrosion to major engine components such as the camshaft and crankshaft. This type of corrosion cannot be eliminated by using lubricating oil alone. Rust wear: After the engine is shut down, it cools from high temperature to low temperature. This temperature change process causes water condensation and even accumulation inside the engine. This results in severe metal rusting in the engine, especially when the engine is restarted for short-distance operation before the temperature has a chance to evaporate the moisture. In such cases, the situation becomes even worse. This is also something that lubricating oil cannot prevent. Severe wear caused by dust: The engine needs to intake air during combustion, and even the best air filtration devices cannot completely prevent dust from being inhaled into the engine along with the air. The severe wear caused by inhaled dust cannot be fully eliminated by lubricating oil. This type of wear is particularly prominent in arid, low-rainfall, and sandy areas.

17

0

Share

What is the difference between the labeled capacity and the actual capacity of a car fuel tank?

The actual capacity of the fuel tank is greater than the labeled capacity. According to fuel safety regulations, the national standard stipulates that the labeled capacity of a car fuel tank is 95% of the rated capacity. Therefore, when the tank is full, it may hold more than the labeled capacity, and this is not due to any issue with the fuel pump's measurement. During the actual refueling process, the amount of fuel may exceed the marked capacity. This is because the capacity marked by car manufacturers is measured from the bottom of the tank to the safe fill level. There is additional space from the safe fill level to the tank opening, which is designed to allow for fuel expansion when temperatures rise, preventing overflow. If fuel is filled up to the tank opening during refueling, the actual amount of fuel added will exceed the marked capacity. If car owners want to know the remaining fuel in the tank, they can check the fuel gauge on the right side of the dashboard. It is marked with 'E' and 'F'. When the needle is close to 'E', it indicates that the fuel is almost empty, and when it is near 'F', it means the fuel level is sufficient.

12

2

Share

What Causes the Steering Wheel to Make Noise When Turning?

The reasons for noise when turning the steering wheel include lack of lubrication in the steering column, increased friction, insufficient power steering fluid, issues with the universal joint or plain bearing, failure in the power steering system, aging of the suspension stabilizer bar bushings, poor driving habits such as excessive braking, and abnormal wear on the brake disc or brake pads. Solutions for steering wheel noise: Lubricate the steering column, refill power steering fluid, replace the universal joint, replace the suspension stabilizer bar bushings, replace the plain bearing, repair or replace the power steering system, and replace the brake pads and discs. Proper steering wheel operation methods: Avoid turning the steering wheel while the vehicle is stationary. Turn the wheel only after the vehicle begins moving, except in special circumstances like maneuvering out of a tight spot. After parking, return the steering wheel to the neutral position to prevent unnecessary stress on the suspension and tires. When making a U-turn, avoid turning the wheel to its extreme positions. Common steering wheel issues: Wobbling, weak steering response, difficulty in operation or unresponsiveness, stiff brake pads during braking, and floating steering wheel. Check for looseness between the steering wheel and steering column, ensure tight connections at the universal joint and steering gear, and inspect the inner and outer tie rod ends for looseness or rust.

16

3

Share

What is Torque Overrun Lock?

Differential lock is equivalent to a rigid connection. The power output from the engine remains unchanged, and the force transmitted to the wheels will not change. If one wheel has less grip, it means the force feedback is smaller. Since force is mutual, a smaller force feedback implies that side is subjected to less force. Therefore, the remaining force is transmitted to the other side, resulting in more torque distribution on that side. Introduction to Limited-Slip Differential: The Limited-Slip Differential, abbreviated as LSD, is an improved type of differential designed to limit wheel slip. It allows a certain range of speed difference between the two driving wheels to ensure normal driving performance, such as during turns. In fact, LSD can be divided into several types based on its construction, each with its own unique features. Functional Principle of Limited-Slip Differential: Before discussing the LSD mechanism, it is essential for readers to first understand the function and operational principle of a differential. The operational principle of the differential itself is quite complex and falls under professional-level construction. To explain the design function and necessity of the original differential in a way that is easy to understand, we will use everyday phenomena and situations that are most familiar to readers.

8

1

Share

What Causes the Non-Destructive Testing Crawler Vehicle to Alarm and Reverse Automatically Without Reason?

The reasons for the non-destructive testing crawler vehicle alarming and reversing automatically without reason: Foreign objects on the probe: The solution is to get off the vehicle and check if there is obvious dirt on the rear probe, and clean it to resolve the issue. Probe malfunction: The solution is to go to a 4S shop for inspection and repair, and replacing the probe will resolve the issue. Composition: The full name of the reversing radar is the reversing anti-collision radar, also known as the parking assistance device. It is a safety auxiliary device for parking or reversing a car, consisting of ultrasonic sensors (commonly known as probes), controllers, and displays (or buzzers). Function: It intuitively displays and informs the driver about the surrounding obstacles, helping the driver eliminate blind spots and blurred vision defects, thereby improving driving safety.

3

5

Share

Why is there no pressure in the sprinkler truck's water pump?

Sprinkler trucks may experience reduced or no pressure during use due to the following reasons: Pump damage: Check for water leaks or abnormal noises in the pump. If found, the pump needs replacement. Power take-off (PTO) failure: Inspect whether the connecting shaft between the PTO and the pump rotates normally during operation. If not, it indicates a PTO malfunction. Operational error: Incorrect operation of the ball valve switch during water intake or sprinkling. For sprinkling, only the outlet that needs water should be opened; for water intake, only the intake port should be opened. Clogged filter screen: Accumulated impurities in the water may block the filter screen if not cleaned for a long time, leading to reduced pressure. Cleaning the filter screen will resolve this issue. Pipeline damage: Check for leaks in the pipelines and gaskets. If leaks are found, fixing them will restore normal pressure.

10

1

Share

Does a car with greater friction move faster or slower?

What are some car repair experiences?

What is the difference between the labeled capacity and the actual capacity of a car fuel tank?

What Causes the Steering Wheel to Make Noise When Turning?

What is Torque Overrun Lock?

What Causes the Non-Destructive Testing Crawler Vehicle to Alarm and Reverse Automatically Without Reason?

Why is there no pressure in the sprinkler truck's water pump?

What Are the Tricks When Buying a Car from Auto Trading Companies?

Can I take the motorcycle license and car license tests together?

What is the approximate fuel consumption of motorcycles?

What is the use of facial recognition in cars?