【Owner's home car knowledge】I often see many netizens saying on the Internet that there is something wrong with my car, the rear door cannot be opened, the steering wheel is locked, the underside of the chassis is rattling, etc. In fact, in most cases, similar problems are caused by modern vehicles. Some extended functions of the car, or normal phenomena of parts and components, we will talk about these today. If you encounter the following situations, don’t worry, these are normal phenomena or problems that can be easily solved.
New car brake disc rust
Precautions: gentle brake break-in
This situation is more common in summer or in the south, especially for some stock models, the brake disc rust is more obvious, mainly because the brake disc is usually made of steel material (usually cast steel), while stainless steel is usually wear-resistant and The strength is relatively average, so there will naturally be rust. There is no need to worry about this situation, as long as you drive gently according to the manual and run in for a certain distance, the rust will disappear.
There is a motor sound when the power is turned on
petrol pump warm up
For models with ordinary ignition switches, when you need to ignite, when you pass through the power-on switch, sometimes you can hear the buzzing sound from the vehicle. In fact, don’t worry, this is the oil pump for pre-pressurization. Prepare for normal fuel supply work after ignition. Especially when the sound insulation of the vehicle is not very good, this phenomenon will be more obvious, but it is still a normal phenomenon.
Of course, if it is the howling sound of the gasoline pump, it is not so normal. You need to check it, otherwise the gasoline pump is broken, and the car can only be left on the road and wait for rescue.
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