Engine cleaning
The most common and simplest engine cleaning is the cleaning in the engine cylinder. This type of cleaning for new cars is generally recommended to be

done once between 40,000 and 60,000 kilometers, and then you can choose to clean after about 30,000 kilometers.
The operation of cleaning in the cylinder is relatively simple. The most common way is to add a cleaning agent to the old oil before maintenance, and then start the car to let the engine clean the interior through the reciprocating motion of the piston. Can.

Now, a more thorough operation is to use a machine with blowing ability to connect to the oil grid interface after the old oil is discharged after the cleaning, and blow the remaining old oil from the oil pan screws to ensure that there is no old residue in the engine. Engine oil is present. But this kind of operation needs to judge the effect according to the different engine design. For example, the oil pan screw of the Ford model is on the side, and the old engine oil with the liquid level under it cannot be blown out. The effect is naturally not good, but the oil drain screw like Audi etc. The model at the bottom has a very good effect.