We think we can make a more accurate judgment on this matter only after we communicate face-to-face and see his car.

The main reason for frequent high temperature is that in the engine cooling system, after the scale on the cylinder block, cylinder head and other parts falls off, it blocks the water channel to the radiator of the water tank, and it is difficult to remove it by general methods, resulting in poor circulation of the engine cooling system.

Some faults are caused by the system not being checked or using fake parts. These parts are intact at that time, which is easy to cause illusion.

Since automobile repair is called repair, it should be carried out under the condition of theoretical basis; Many factors may lead to parts damage. The damage is not terrible. What is terrible is blind replacement and wrong maintenance process

Its function is to intercept and filter large particles. These impurities will seriously damage the precision coupling parts of high-pressure oil pump, resulting in scrapping of oil pump, paralysis of common rail system and huge loss to car owners.

Take it down and start cleaning. Pour out a lot of things, a flocculent mixture similar to cotton wadding.