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What is the cause of the car valve rattling?
Release time:
2024-09-20
What causes the car valve rattling? 1. The problem of oil. The quality of the oil is poor. If the oil is not replaced for a long time, it will easily increase the friction between the valve and the duct and the hydraulic tappet,
What is the cause of the car valve rattling?
1, the problem of oil. The quality of the oil is poor. If the oil is not replaced for a long time, it will easily increase the friction between the valve and the duct and the hydraulic tappet, which will make the various sounds in the engine louder.
2. When a general car is cold-started, the sound of the engine will appear a little louder than a hot car. As long as the sound sounds uniform and soft and not harsh, there is generally no problem. When the engine block temperature reaches about 95 degrees, the sound will return to normal.
3. The oil pump pressure is insufficient. Once the oil pump is not strong and the oil pressure cannot keep up, the hydraulic ejector rod will weaken and the natural valve will ring again.
How to solve the problem of car valve rattling?
Replace with a more fluid oil. It is important to know that the oil will become more viscous in winter. The oil pump works better in high temperature weather in summer, so you need to change the oil in winter, such as the 5W30 you used before. You can try 0W30, which may solve your problem.
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