Why does my shower valve make a noise when I turn it on?
A loud knock when you turn on the valve is a symptom of water hammer, which is caused by excessive pressure in the pipes. You can quiet some noises by servicing the valve, but to dampen others, you may need access to the pipes.
Why does my engine make a dull knocking noise?
Damaged or worn main bearing noise is revealed by dull thuds or knocks which happen on every engine revolution. This noise is loudest when the engine is under heavy load. Excessive crankshaft end play is indicated by an intermittent rap or knock sharper than a worn main bearing. The following are causes of main bearing noise:
What are the symptoms of a valve adjustment on a lawn mower?
If your engine generates a loud tapping noise, or you are noticing some power loss in your lawnmower, then these are the signs of valves adjustment point. Let’s look at the top 5 lawn mower valve adjustment symptoms. The major lawn mower valve adjustment symptoms can include: Hard to pull the starter cord. Hard starting. No Compression.
Is it normal for an engine to make a clicking noise when idle?
Some high output engines have short skirt pistons or roller valve trains so a minimal amount of ticking is normal when the engine is at idle. Fuel injectors also make a slight clicking noise when the engine is idling as well. These noises are normal and no repair is required.
Why does my cylinder head make noise when I adjust the valve?
In any hydraulic application, another cause of valvetrain noise can be the result of machining of the cylinder head and valve seats, which changes the rocker-arm geometry. Many mechanics think that this is caused by faulty hydraulic lifters; that is incorrect. The lifter is only responding to the conditions and trying to adjust for them.
Why do I hear a tapping noise at the top of my engine?
If the noise you hear is a fast tap or clatter near the top of the engine, it could be valve noise which would require you to have some cylinder head work done. Some noise can come from a worn camshaft. It’s also a tapping noise.
How to diagnose a clattering noise coming from the cylinder head?
How to Diagnose a Clattering Sound Coming From the Cylinder Head: 1 Remove the valve cover 2 Idle the engine 3 Watch the valve movement 4 Push the suspected valve rocker arm with your thumb to quiet the valve 5 If the noise stops or changes significantly, you’ve found the problem valve.
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.