How to steer when the car body leans to the right while reversing?

How to Solve the Noise Problem of Panoramic Sunroof?

There are several situations that may cause noise in a panoramic sunroof: 1. Noise caused by friction between the sunroof glass seal and the roof metal plate. Generally, this can be resolved by spraying some dashboard wax on the external seal or cleaning the seal thoroughly and applying some hand cream. 2. Noise due to loose internal trim panels of the sunroof. This can usually be fixed by inserting non-woven fabric as padding. 3. Loose fixing screws of the sunroof, causing vibration and collision between parts. Tightening the screws is necessary to solve this issue. Sometimes, re-tightening from the side of the headliner is sufficient, while other times, the entire headliner may need to be removed for proper fixing. Here is some additional information: 1. If simple treatments fail to resolve the noise issue and the noise only occurs on bumpy roads, it is advisable not to dismantle the headliner. Most vehicle headliners are installed using plastic clips, which can break or not fit tightly after disassembly, potentially making the noise worse. 2. It is recommended to perform maintenance and cleaning on the sunroof and its seals every six months for vehicles equipped with a sunroof to prevent friction noise and water leakage.

6

2

Share

What are the reasons why the car window cannot be rolled down?

There are two main reasons why the car window cannot be rolled down: 1. Electrical failure, such as a burned-out motor; 2. Mechanical failure, such as the glass being stuck by an object; 3. Insufficient lubrication inside the door's window regulator. It is necessary to check the lubrication inside the door's window regulator, and if it is insufficient, the inner cover should be removed to add oil. Additional Information: 1. The electric window system consists of the window, window regulator, motor, relay, switch, and other components. Generally, the electric window system is equipped with two sets of control switches. One set is installed on the dashboard or the driver's side door armrest, serving as the main switch, which allows the driver to control the raising and lowering of each window. The other set is installed on each passenger door, serving as the sub-switch, which can be operated by the passengers. Usually, the main switch also has a circuit breaker switch. If it is turned off, the sub-switches will not function. 2. The window seals are constantly eroded by windblown sand or rainwater, which can lead to aging of the rubber seals over time. When dirt accumulates inside, it can affect the window's ability to rise or descend smoothly. Sometimes, when rolling the window up or down, a "squeaking" sound can be heard. Therefore, it is advisable to occasionally clean the dirt inside the rubber seals with a cloth to maintain a clean environment. 3. In general, every component in the car should be taken care of regularly. Of course, this does not mean overdoing it, but proper maintenance can definitely save a lot of money on future repairs and upkeep.

7

2

Share

How Long is the Interval Between Subject 3 and Subject 4?

Due to varying local policies, the interval between Subject 3 and Subject 4 differs. In some regions, candidates can take Subject 4 immediately after passing Subject 3, meaning they can take both exams on the same day, provided they pass. However, most regions do not support this arrangement, and candidates typically need to wait about a week after passing Subject 3 before they can schedule Subject 4. It's best to confirm the specific details with your driving school instructor. Additional Information: 1. Subject 4 is actually the safety and civilized driving knowledge test within Subject 3. Officially, there is no 'Subject 4'; it's just a commonly used term. 2. The main content of Subject 4 includes safety and civilized driving operation requirements, safe driving knowledge under adverse weather and complex road conditions, emergency handling methods for situations like tire blowouts, and post-accident handling knowledge. The test consists of 50 questions, primarily in the form of case studies, images, and animations. Question types include true/false, single-choice, and multiple-choice questions, with a full score of 100 and a passing score of 90.

14

4

Share

Can the steering gear tie rod be replaced separately?

Yes, the steering gear tie rod can be replaced separately. After replacing the tie rod, it is essential to perform a four-wheel alignment to adjust the data within the normal range. Otherwise, incorrect toe-in may lead to tire wear. Introduction to the steering gear tie rod: 1. The steering gear tie rod is a crucial component in a vehicle's steering mechanism, directly affecting the stability of vehicle handling, operational safety, and tire lifespan. 2. Steering gear tie rods are divided into two types: the steering drag link and the steering tie rod. The steering drag link is responsible for transmitting the motion from the steering arm to the steering knuckle arm, while the steering tie rod serves as the base of the steering trapezoidal mechanism, ensuring the correct motion relationship between the left and right steering wheels.

3

5

Share

Winter Brake Noise

The reasons for brake pad noise in winter: It may be due to the prolonged exposure of the brake pads and brake discs to cold, forming ice condensation at the contact points. When the car starts, slight noise may occur as the ice condensation is eliminated. This is not a brake malfunction noise but a normal phenomenon. Reasons for brake noise: 1. If it's a new car, the brake pads and brake discs are still in the break-in period, which may cause a slight hissing sound. This is normal. 2. There is a foreign object between the brake pad and the brake disc. 3. On rainy days or when there is water in the brake disc, the brake pads and brake discs are relatively damp. At low speeds, the brakes may produce a vibration-like humming noise, which is normal. 4. The brake disc and brake pad may stick together due to rust, causing noise. After driving in the rain, if the car is left unused for several days, the brake disc and brake pad may rust and stick together, resulting in noise when starting the car again.

11

2

Share

When did the China III emission standard come into effect?

According to the regulations of the Ministry of Environmental Protection, starting from July 1, 2008, the China Phase III emission standard was implemented for vehicles with a maximum total mass of 3500kg as approved by the National Development and Reform Commission's vehicle model announcement. Therefore, the China III standard came into effect on July 1, 2008. Introduction to the China III standard: 1. The China III standard refers to the China Phase III vehicle emission standard. 2. The China Phase III emission standard is equivalent to the Euro III emission standard, meaning the content of tail gas pollutants is equivalent to that of Euro III. The difference is that new vehicles must be equipped with an OBD, or On-Board Diagnostics system.

5

1

Share

How to steer when the car body leans to the right while reversing?

How to Solve the Noise Problem of Panoramic Sunroof?

What are the reasons why the car window cannot be rolled down?

How Long is the Interval Between Subject 3 and Subject 4?

Can the steering gear tie rod be replaced separately?

Winter Brake Noise

When did the China III emission standard come into effect?

Why Does the Chassis Make a Rattling Noise on Rough Roads?

What are the differences between China-spec and US-spec vehicles?

What Causes a Motorcycle to Frequently Stall While Riding?

Where is the license plate 'Shan A' from?