Why does sludge appear in the oil shell
Release Time:
Jul 24,2023
Sludge is the fuel residue inside the engine. Also known as carbon sludge, it remains in the engine oil and is filtered by the oil filter. However, if the oil or oil filter is not changed, sludge will build up and the oil will become dirty and deteriorate. If the oil is black, it is most likely caused by sludge, so the oil needs to be changed.
Sludge is the fuel residue inside the engine. Also known as carbon sludge, it remains in the engine oil and is filtered by the oil filter. However, if the oil or oil filter is not changed, sludge will build up and the oil will become dirty and deteriorate. If the oil is black, it is most likely caused by sludge, so the oil needs to be changed.
First, is this sludge normal? It should be abnormal. There are also many people explaining that this kind of oiliness is normal and every engine will have it. This statement is wrong. The oil is pumped by the oil pump to various parts of the engine through the filter screen, and then returns to the oil filter element from top to bottom. Impurities are filtered and flow to the oil pan. This kind of sludge can be said to be several times the viscosity of oil, basically does not have the performance of a fluid, and will be firmly adsorbed on the surface of the oil pump filter. The filter cannot effectively absorb enough oil, which will affect the circulation performance of the oil, accelerate the deterioration of the oil, and increase the amount of sludge. Engine oil has a cooling effect in the engine, and insufficient flow leads to local high temperature of the engine oil, which is the root cause of sludge.
Oil filters leave residue in the filter as the oil circulates. If the oil circulation is normal, the sludge should be in the oil filter element, not adsorbed on the surface of the oil pump screen. Then every time the oil is changed, why is it still like this? Turbocharged engines can use low viscosity oil, but for normal engines, replace the correct type of oil, the sludge is not caused by oil problems. Of course, fake motor oil is another matter.
Oil filters leave residue in the filter as the oil circulates. If the oil circulation is normal, the sludge should be in the oil filter element, not adsorbed on the surface of the oil pump screen. Then every time the oil is changed, why is it still like this? Turbocharged engines can use low viscosity oil, but for normal engines, replace the correct type of oil, the sludge is not caused by oil problems. Of course, fake motor oil is another matter.
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