Does Engine Valve Noise Need Repair?

2 Answers
LeTessa
07/25/25 11:56am
Whether engine valve noise needs repair depends on the situation. Situations that do not require repair: 1. If the noise is simply from the belt pulley bearing inside the engine, tightening the belt, applying some lubricant, or adjusting the belt pulley shaft can resolve the issue. 2. If the engine oil viscosity is too high, simply replacing it with lower viscosity engine oil will suffice. If the engine oil level is insufficient, adding a bit more engine oil can solve the problem. Here are situations that require repair: If the noise persists after checking the above two conditions, it may be due to excessive valve clearance. This can directly affect the timing and precision of valve opening and closing, potentially leading to adverse effects on the normal operation of the engine. In such cases, the car should be taken to a repair shop for servicing.
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McJoel
08/11/25 8:08pm
As an experienced driver, I believe that engine valve noise definitely needs to be repaired. Valve noise usually indicates excessive valve clearance or wear. If left unattended, the noise will only get worse and may eventually lead to serious internal engine damage, such as valve and piston collision, which would be much more expensive to repair. I remember one time when my car had noticeable noise, I immediately took it to the repair shop. After inspection, it turned out to be just a minor issue with clearance adjustment, costing very little. But if left to develop, it might require a major engine overhaul, with costs multiplying several times. Additionally, valve noise can affect engine efficiency and fuel consumption, and long-term neglect can lead to a decline in overall vehicle performance. For safety reasons, I recommend not waiting once you hear any noise and having a professional mechanic check it out. Regular maintenance can prevent such issues, keeping the vehicle in good health and avoiding future troubles.
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