Loud pipes

[DVader]

If I turn any cold tap on, a loud yawing sound emits from the area my boiler and kitchen sink are. I can't locate exactly. Some of pipes under the sink vibrate. However, if I turn on any hot water tap, the yawing stops. I have a Worcester Bosch combi-boiler, no tanks.

I do have a dead pipe, which I bled, but to not avail. I have turned the main stopcock down, to no avail. There is also a slight water hammer when closing the hot tap but not the cold.

Thanks in advance of any advice.

 

[blup]

Did it start when the combi boiler was installed? How old are the taps, internal wear can set up vibrations.

 

[DVader]

The boiler was installed 8 yrs ago, the noise only started a couple of days ago. It seems strange that it stops when I turn on the hot tap.

 

[mcmoby69]

Kitchen tap cartridge. Use a screwdriver as a stethoscope. Noise will be louder at the kitchen tap if I am correct.

 

[DVader]

Success, the inline valve of the hot tap. The screwdriver method worked a treat. Turned it off and no noise, turn it on and noise. Now replaced for a mere £4 . Thank you Mcmoby