It's very hot. Do you need to warm up the car before driving?

Everyone knows to warm the car before driving in cold weather, but it's getting hotter and hotter now. Is it necessary to warm the car?

Warm weather also needs hot cars.

Some friends think that hot cars are for warming up, but this understanding is wrong. The so-called "hot car" is to let the lubricating oil play a role, rather than let the engine warm up.

Therefore, even if the weather is warm, it is necessary to preheat the car properly, which will help the car to achieve better working conditions.

Statistics show that more than 90% of engine wear occurs at the moment of starting.

Especially when the engine is started overnight, the engine is in a state of lack of lubrication. At this time, it is necessary to preheat the car before driving on the road, because it takes at least 30 seconds for the oil to be delivered to the piston, connecting rod and crankshaft that need lubrication most.

Correct hot car method

After getting on the bus in the morning, wait for 30 seconds to 1 min, the engine speed drops to about 1200r/min, and the car body has no obvious jitter. In this case, you can start in gear.

Idle hot cars are not as long as possible. When the car is cold, the transmission oil flows to the lower half of the transmission. Only when the car is running, the oil at the bottom will be brought up by the operation of the gear to lubricate the upper half of the gearbox. Therefore, it is not necessary to preheat the car in situ for a long time, and it should be further warmed up when driving at a low speed.

After the vehicle is on the road, it is best to run smoothly at a speed of about 40 km/h in the first 2-4 km, otherwise the engine wear will be aggravated.

This article comes from car home, the author of the car manufacturer, and does not represent car home's position.