Why does my bathtub make noise when I flush the toilet?

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asked Mar 22 in Do it yourself by Vbolar (240 points)
Why does my bathtub make noise when I flush the toilet?

Whenever I flush my toilet my bathtub makes like a gurgling noise?

The noise has just suddenly started happening. Why has my tub started making gurgling noises all of a sudden when I flush my toilet?

1 Answer

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answered Mar 23 by Grahlu (8,080 points)
Bathtub and other drains will usually gurgle when there's no venting to the drain or something is trapped in the drains vent not allowing air into the drain which helps the drain actually work.

If it just started happening then likely something is just stuck in your bathtubs drain pipe vent either near the bathtub or up on top of the roof or wherever the drain is vented to the outside.

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