After a week of sudden temperature drop, the smell of winter is getting stronger and stronger. Driving in the winter, there are many precautions, among which preheating is a key item. Everyone knows that the car should be warmed up before driving in winter. Then, regarding the vehicle preheating, what links do we need to pay attention to? Next, Beimai.com will introduce you to some precautions for winter hot cars. Many people know that there should be a hot car before driving in winter. Then why should there be such a step? After the vehicle has been parked for a period of time, the engine oil will flow to the bottom of the engine. After ignition, there is no oil in the upper part of the engine. At this time, some parts of the engine will be subject to certain wear and tear, and about half a minute after the engine is started, the oil will be driven to the piston, crankshaft and other parts. Regarding the hot car, some people's practice is to drive the car at an idle speed and drive for a while. The in-situ idle hot car can really play the role of engine warm-up, but the long idle speed hot car will also cause certain side effects to the vehicle. The correct method of hot car is to drive the car about 40 seconds after starting, and keep driving at low speed. After about 3 minutes, the engine temperature will rise to the normal working temperature, then you can drive normally, so that the engine and the gearbox are The wear will be much smaller. The oil in the automatic transmission in winter will be more viscous. After a period of time, there will still be an upshift lag. If you step on the throttle and rush to increase the engine speed to upshift, it will be the clutch in the transmission. The sheet and brake pads, as well as the spool structure, cause severe wear and tear, which shortens the life of the gearbox and is never desirable. For manual transmission models, it is recommended to hang a gear first and drive at low speed for three to five minutes. If necessary, you can lightly step on some throttles until the pointer of the water temperature meter moves up slightly, then rise to the second gear and move slowly. When the water temperature is close to 60 °C, it can be gradually accelerated. Regarding the problem of hot cars in winter, Xiao Bian will introduce you here briefly. If you want to know other winter hot car precautions, you can continue to pay attention to Beimai. We will have a more detailed introduction and hope to help you if If you have any thoughts or questions, you can leave us a message and we will get back to you in time.
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