How to identify car faults through car noise
Q: How to judge when the car should be repaired?
Answer: Simply put, once you are familiar with your car and understand the performance and sound of the car under all normal conditions, then new noise or performance problems will give you a warning signal.
New or abnormal noise is usually an indicator of a car breakdown. For example, a low buzzing sound may be a bearing failure, or it may just be a tire problem; a screaming sound may indicate the need to replace the brake pads or loose the belt. When describing the fault, clearly explain the cause or action that caused the noise.
In addition to performance loss or noise, the indicator signal on the dashboard is another place that cannot be ignored. If you feel the steering wheel tightens, the car is tilted to one side, or abnormal vibrations within a certain speed range while driving, you need to check the tires, or balance and position the wheels. Carrying out repairs in time when these problems are just discovered can prevent the failure from continuing to expand and avoid greater losses.
It is worth paying special attention to issues related to the braking system (brake), such as noise or vibration when braking. Because the braking system has a very close relationship with driving safety, ignoring such failures is tantamount to taking personal risks.
In addition, pay attention to whether the car starts smoothly. If the car starts to become difficult to start, drive to the dealership in time for inspection.
Q: What are the main types of car maintenance?
Answer: The car maintenance we usually talk about is mainly from maintaining the good technical condition of the car and extending the service life of the car. There are mainly the following three aspects:
1. Car body maintenance. Car body maintenance is also used to call car beauty. The main purpose is to remove all kinds of oxidation and corrosion from the car body and the car body, and then to protect it, as far as possible to highlight the “beauty” of the car. It mainly includes: car paint maintenance, cushion carpet maintenance, bumper, car skirt maintenance, instrument panel maintenance, electroplating processing maintenance, leather and plastic maintenance, tire, wheel maintenance, windshield maintenance, chassis maintenance, engine appearance maintenance, etc.
2. In-car maintenance. Car body maintenance is to keep the car young, while the purpose of car maintenance is to allow the car to travel hundreds of thousands of kilometers without major repairs, and to ensure that the car is in good technical condition. It mainly includes: lubrication system, fuel system, cooling system, brake system, carburetor (fuel injector) maintenance, etc.
3. Car body renovation. Such as the diagnosis and treatment of deep scratches, the repair of multi-material bumpers, the repair of hard injuries of the wheel (cover), the renovation of leather and chemical fiber materials, the renovation of the color of the engine, etc.
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Post time: Jul-31-2020