What causes a clatter noise when a valve is closed?
What causes a clatter noise when a valve is closed?
A valve can also float because of a broken valve spring. Usually, the clearance between the valve stem and rocker arm widens and causes a clatter noise too. Although mechanical problems are the main cause of a floating valve, excess engine speed can also prevent a valve from closing properly, leading to engine performance problems.
Why is my engine making a clattering noise?
A weakened spring is more common on high-mileage engines. After miles of service the spring loses strength, allowing the valve to float. A valve can also float because of a broken valve spring. Usually, the clearance between the valve stem and rocker arm widens and causes a clatter noise too.
What causes a rattling noise in the valve train?
Although a worn rocker arm most likely won’t affect engine performance, it can cause valve train noise. You may hear a light tapping or rattling noise coming from one or more of the affected rocker arms. To diagnose the problem: Check the engine oil condition. Check for proper oil circulation around the valve train.
Why does my car make a rattling noise when I start it?
If you hear a rattling noise while starting the engine, it may be due to a worn rocker arm. Though it is rare, you can have a check on it if it has been long enough. A faulty rocker arm does not cause any harm to the engine; particularly, it causes the engine to make noise.
A valve can also float because of a broken valve spring. Usually, the clearance between the valve stem and rocker arm widens and causes a clatter noise too. Although mechanical problems are the main cause of a floating valve, excess engine speed can also prevent a valve from closing properly, leading to engine performance problems.
A weakened spring is more common on high-mileage engines. After miles of service the spring loses strength, allowing the valve to float. A valve can also float because of a broken valve spring. Usually, the clearance between the valve stem and rocker arm widens and causes a clatter noise too.
Although a worn rocker arm most likely won’t affect engine performance, it can cause valve train noise. You may hear a light tapping or rattling noise coming from one or more of the affected rocker arms. To diagnose the problem: Check the engine oil condition. Check for proper oil circulation around the valve train.
What makes a loud noise when water is turned off?
Here are some of the most common causes of — and remedies for — noisy water pipes. When water is running and is then suddenly turned off, the rushing liquid has no place to go and slams against the shut-off valve. The loud, thudding sound that follows is known as a water hammer.
