What are the consequences of high oil pressure?

1 Answers
OHaley
07/29/25 7:52pm
Excessive oil pressure can easily lead to oil leakage faults in the engine. At locations such as the engine oil plug and the front and rear crankshaft oil seals, high oil pressure may cause oil leakage. Excessively high oil pressure can sometimes also cause the oil filter to swell and crack or detach, resulting in significant oil leakage. This is extremely dangerous during engine operation, and if not detected in time, it can cause severe damage to the engine. The main causes of excessively low oil pressure: 1. Oil: The oil viscosity is too low. 2. Clogging: The oil strainer screen or oil filter element is clogged. 3. Weakened elasticity: The pressure relief valve or return oil valve spring's elasticity is weakened or broken, or the valve sealing surface is not tight, leading to oil leakage and pressure loss. 4. Excessive clearance: The main bearing or connecting rod bearing clearance is too large.
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