What Are the Effects of High Temperatures on Cars?

What are the reasons for the newly purchased car's air conditioner not cooling?

Here are the specific reasons why the air conditioner in a new car is not cooling: Insufficient or low refrigerant: Caused by minor refrigerant leakage, which can be observed from the sight glass on the dryer tank. During normal operation of the air conditioner, if continuous bubbles appear in the sight glass, it indicates insufficient refrigerant. If obvious bubble flipping is observed, it means the refrigerant is severely insufficient, and adding refrigerant will solve the issue. Loose air conditioner compressor drive belt: If the drive belt is loose, the compressor will slip during operation, leading to reduced transmission efficiency and a decrease in compressor speed. This results in reduced delivery of compressed refrigerant, causing the car's air conditioner to not cool. If the car's air conditioner compressor drive belt is too loose, it should be tightened. If it cannot be turned by hand, it indicates the drive belt is too tight and should be slightly loosened.

4

1

Share

Will the 4S dealership help if my newly purchased car gets scratched?

Scratches on a newly purchased car are considered human-induced damage, and the 4S dealership will not assist in handling such cases. Below are specific details regarding insurance claims for scratched vehicles: Important Notes: After an accident occurs, you should immediately call your insurance company. If the accident involves injuries, you must also notify the traffic police to determine liability on-site; otherwise, the insurance company will not cover the damages. Photo Evidence: Whether photos are required for car insurance claims depends mainly on the type of coverage purchased. For instance, for claims related to vehicle damage, scratches, or glass coverage, you must provide photographic proof that the vehicle was undamaged before the incident. You need to take six photos: one from each of the four 45-degree angles (front left, rear left, front right, rear right), one of the vehicle identification number (VIN), and one with the owner and the car in the same frame.

2

4

Share

What are the reasons for the car feeling unstable and drifting in direction?

Car feeling unstable and drifting in direction is caused by issues such as chassis suspension failure, steering gear grooves, front wheel specifications or tire pressure, front wheel camber or wheelbase problems. To solve the problem of instability and drifting, check the chassis suspension: If the steering wheel feels unstable and drifts, it is recommended to first check the chassis suspension for any loose parts; check the steering gear grooves: inspect the rubber limit blocks fixed in the steering gear grooves for severe wear, and simply replace them with new ones; speed-related issues: Another cause of steering wheel instability and drifting is front wheel wobble during driving. When the vehicle reaches a certain high speed, the steering wheel may shake or vibrate, or the car's direction may feel inconsistent with expectations. In this case, it is advisable to reduce the speed accordingly. Improper tire maintenance can also lead to this issue, as patching tires or improper tire repairs can disrupt the dynamic balance of the front wheel assembly, cause shock absorber failure, wear and looseness in the steering system components, and improper front wheel alignment, all of which contribute to this problem. Steering wheel deviation issues: Front wheel specifications or tire pressure: caused by inconsistent front wheel specifications or tire pressure on both sides; front wheel camber or wheelbase: unequal front wheel camber on both sides, inconsistent front wheel bearing clearance, or excessive wheelbase difference; chassis suspension: Steering wheel deviation can also be caused by chassis suspension deformation, so check if the chassis suspension is deformed.

20

4

Share

Should I Buy a New or Used Car After Getting My Driver's License?

It is recommended to purchase a new car after obtaining your driver's license. Here are some important considerations after buying a new car: No driving without a license: You can buy a car without a driver's license, but you cannot drive it on the road without one, as unlicensed driving is illegal. License plate registration is required: After purchasing a new car, you need to register it. The required documents include your ID card, vehicle certification, purchase invoice, tax payment certificate, and insurance policy. Carry your vehicle license: When driving, always carry both your driver's license and vehicle license. During the probationary period, drivers are not allowed to drive on highways.

2

3

Share

Is a Dry Dual Clutch Transmission Automatic or Manual?

Dry dual clutch is an automatic transmission, and it is also a manual-automatic transmission. Both manual-automatic transmission and dual clutch transmission are types of automatic transmissions, serving as upgraded products for automatic transmission vehicles, making driving more comfortable for drivers. When these two types of transmissions are used in manual mode, shifting only requires moving the transmission lever. A dual clutch is a type of automatic transmission mechanism. It essentially uses two manual transmission clutches to achieve automatic gear shifting, with one engaged and the other disengaged. This solves the issue of high energy consumption in continuously variable transmissions (CVT) of automatic transmissions while eliminating the cumbersome operation of manual gear shifting. It can be said that this type of automatic transmission combines the advantages of both automatic and manual transmissions, avoiding their drawbacks, representing a significant technological upgrade. Automotive transmissions can be divided into two main categories: manual transmissions (MT) and automatic transmissions (AT), commonly known as the difference between manual and automatic transmissions. Among automatic transmissions, they can be further subdivided into four types: AT (automatic transmission), AMT (semi-automatic transmission), DTC (dual clutch transmission), and CVT (continuously variable transmission). Therefore, dry dual clutch is also a type of automatic transmission structure. The function of the clutch is to gradually increase the driving force of the car, allowing for a smooth start; temporarily separating the engine and transmission for gear shifting; preventing overload of the transmission system; and reducing torsional vibration impacts from the engine, thereby extending the lifespan of transmission gears.

12

5

Share

How Long Does a Dry Dual-Clutch Transmission Last?

The lifespan of a dry dual-clutch transmission is about ten years, and the clutch plates generally need to be replaced after approximately ten years of use. Strictly speaking, there is no precise, standard, or uniform answer to this question because the longevity of a dry dual-clutch transmission is influenced by numerous objective factors. For example, daily driving conditions and driving habits can significantly impact the lifespan of a dry dual-clutch transmission. Methods to extend the clutch's lifespan include operating the clutch decisively. The clutch is primarily used for gear shifting, starting, and stopping. When shifting gears, be prompt and decisive—avoid hesitation. Particularly in low gears, release the clutch quickly at first and then slow down to minimize impact, which can otherwise harm the clutch's longevity. The functions of the clutch include gradually increasing the vehicle's driving force for smooth starts, temporarily separating the engine and transmission for gear shifting, preventing overload in the drivetrain, and reducing torsional vibration impacts from the engine to extend the gearbox's lifespan. Symptoms of a failing clutch include clutch slippage: when starting the car in low gear, releasing the clutch pedal does not allow the car to start or makes starting difficult; incomplete clutch disengagement: even when the clutch pedal is fully depressed, power between the driving and driven discs is not completely cut off, leading to difficulty shifting, gear grinding, inability to stop, or clutch overheating; clutch shuddering; and abnormal clutch noises.

20

0

Share

What Are the Effects of High Temperatures on Cars?

What are the reasons for the newly purchased car's air conditioner not cooling?

Will the 4S dealership help if my newly purchased car gets scratched?

What are the reasons for the car feeling unstable and drifting in direction?

Should I Buy a New or Used Car After Getting My Driver's License?

Is a Dry Dual Clutch Transmission Automatic or Manual?

How Long Does a Dry Dual-Clutch Transmission Last?

Are There Hazards in Modifying One-Button Start?

Do I need to file for changing tire size?

Does the Dry Dual Clutch Valve Body Oil Need to Be Replaced?

What Causes the Abnormal Noise in Dry Dual-Clutch Transmissions at Low Speeds?