|Posted by More on April 26, 2002 at 21:26:23:|
|In response to Re: Loup Pipes|
One way is to take a stethescope, or an empty glass water tumbler with the open end placed against the wall, and your ear placed against the glass's bottom. (It acts as a sound amplifier, and helps you locate with almost pinpoint accuracy the source of the noise) (And you don't need a plumber) Listen for the most pronounced noise, and mark it with tape, then find the next most noisy and the third most noisy area. Is the noise a loud thump and then it repeats, or is it a continuous rumbling until it gets quieter and stops? A loud thump indicates that it is a pressure (supply) line and a low rumbling indicates that it is a drain. If it is truly a sewer drain and the tape indicates that it is a vertical line concealed within the wall, and the tape marks are less than twelve feet apart, and the noise is just within thew last three weeks, it indicates that the sewer line was anchored to the stud wall framing member whit a plumbers tape, and is getting looser, and coming into contact with the wallboard. The much larger wallboard surface is acting acting as a sound transmitter for the drain line.
You can check to see if the toilet tank is leaking into the toilet bowl through the flapper valve, by opening the toilet tank lid and adding food coloring without flushing, and then watching the bowl over a period of time to see if it obtains the same color. If so, simply change out the flapper valve in the toilet tank.
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