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The high pressure safety valve, or oil relief valve, is located near the oil pump. When the oil is thick and cold, the oil pressure forces down the valves against the spring tension, allowing the oil to go to the engine bearings. Then, it returns it to the crankcase. The oil pressure valve makes sure that the oil pressure is consistent at all the bearings, regardless of the speed of the engine. At high engine speed, the excess oil escapes so that power isn’t lost by the driving the oil pump.
If you suspect any damage at all to the high pressure safety valve, you should get it checked immediately. One of our expert mechanics can help you diagnose the problem and determine if a replacement is warranted.
If the high pressure safety valves fail, that could result in a leaking or cracked oil cooler. If that happens, the oil pressure valves will have to be removed and examined, and that could be a very expensive procedure. If a valve ends up being stuck, excessive oil pressure can result, and there could be serious damage to the engine. Work with one of our expert mechanics if you discover any of the symptoms we have described above.