Sink Gurgling When Washer Drains

If you've noticed your sink gurgling when your washer drains, it can be a sign of a plumbing issue. While it's not always a serious problem, it's important to address it promptly to prevent further damage. Here are some of the most common causes of sink gurgling when the washer drains, along with tips on how to fix them:

Clogged Drain: The most common cause of sink gurgling when the washer drains is a clogged drain. Over time, hair, soap scum, and other debris can build up in the drain, causing water to back up and gurgle. To fix a clogged drain, try using a drain snake or chemical drain cleaner. If these methods don't work, you may need to call a plumber to clear the clog.

Blocked Vent Stack: A blocked vent stack can also cause sink gurgling when the washer drains. The vent stack is a pipe that runs from the drain to the roof, and it helps to prevent sewer gases from entering the home. If the vent stack is blocked, it can cause pressure to build up in the drain, which can lead to gurgling noises. To fix a blocked vent stack, you will need to remove the blockage. This can be done by using a drain snake or by calling a plumber.

Faulty Washer Drain Pump: In some cases, sink gurgling when the washer drains can be caused by a faulty washer drain pump. The drain pump is responsible for pumping water out of the washer, and if it is not working properly, it can cause water to back up and gurgle. To fix a faulty washer drain pump, you will need to replace it. This is a job that can be done by a DIYer with some basic plumbing skills.

Improperly Installed Drain Line: If the washer drain line is not installed properly, it can also cause sink gurgling when the washer drains. The drain line should be properly sized and sloped, and it should be connected to the drainpipe using a proper fitting. If the drain line is not installed properly, it can cause water to back up and gurgle. To fix an improperly installed drain line, you will need to have it reinstalled by a qualified plumber.

Other Causes: In some cases, sink gurgling when the washer drains can be caused by other factors, such as a failing septic tank or a blocked sewer line. If you have tried the above solutions and the problem persists, you should call a plumber to diagnose and fix the issue.

By following these tips, you can fix the problem of sink gurgling when the washer drains and restore your plumbing system to proper working order.