Only normal oil pressure can ensure that the oil is delivered to all friction surfaces of the engine. Excessively high or low temperatures can affect the normal operation of the engine and even cause damage to engine components. Therefore, when the oil lamp alarms, it should be stopped immediately to find out the reason.
Oil lamp alarm may be caused by the following reasons:
1. Insufficient oil quantity of the engine oil reduces the pump oil quantity of the oil pump or the pump does not oil due to air intake, resulting in a drop in oil pressure;
2, the engine temperature is too high, it is easy to thin the oil, from the loss of a large number of gaps with the resulting pressure drop;
3. When the parts of the oil pump are damaged or the clearance is too large due to problems such as wear and assembly, the oil pump will not cause oil or oil shortage.
4. The mismatch between the crankshaft and the large and small tiles is improper. If the tightening is too tight, the oil pressure will increase. Too loose will reduce the oil pressure;
5, oil filter, sucker block will also reduce the oil pressure;
6. Damage or failure of oil return valve: If the main oil return valve spring fatigue is softened or improperly adjusted, when the mating surface of the valve seat and the steel ball is worn out or gets stuck by the dirt, the oil return amount will increase significantly. The oil pressure of the main gallery will also decrease.
7, improper use of oil: If you use the wrong or improper selection of grades, the engine will run at low viscosity due to oil viscosity and increase the amount of leakage, so that the oil pressure is reduced;
8. There is oil leakage and blockage in the oil pipeline.
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