Why won't my snake go down my main drain?

Author: Vernon Hegmann MD  |  Last update: Friday, October 6, 2023

If your snake isn't unclogging your drains it could be because the thumbscrew is loose, the clog is too severe, or the auger is dirty, for example. A drain snake (also known as an auger) is a simple, inexpensive necessity for every homeowner. But a broken or faulty auger can be extremely frustrating.

What happens if snaking a drain doesn't work?

Some clogs are just so dense that an ordinary hand drain snake cannot force its way through it. In this case, you have little choice but to rent a power auger or call a plumber to do the job. However, don't give up too soon. Being patient and not forcing the auger cable may do the trick.

Why won t my drain snake go down the sink?

Wrong size drain snake – If the drain snake you're using won't fit down the drain, then you may be using the wrong kind of drain snake. For general drain clogs, a small drum auger will generally do the trick. The cables within these augers will usually be around 15 to 25 feet long.

How do you know if your main line is clogged?

If water starts coming out of the drain in a main floor tub or shower, or if the toilets start filling up when you use a drain or run the washing machine, most likely you have a main sewer line clog.

How long does it take to snake a main drain?

Depending on the severity of the problem, your sewer line could take anywhere from a half hour to 5 hours to be cleaned. A professional will come and talk to you about your issue. Then, they'll likely first try to resolve the problem with a drain clearing "auger" (a motorized snake-like tool that breaks apart clogs).

How to Troubleshoot a Stuck Plumbing Snake : Plumbing Repairs

How do you unclog a drain when a snake doesn't work?

Use a Plunger

For efficient unclogging, you should opt for a force-ball plunger. This is a lot better in terms of performance than the standard cup plungers. It would be best if you used the plunger on the toilet drain or a sink. First, ensure the plunger seals the drain completely, and then apply the plunger.

Can a drain snake make a clog worse?

While snaking is generally considered safe for your pipes, it can damage your pipes if they are in bad shape. Homes that have older pipes are more susceptible to this happening as hairline cracks and corrosion occur over time. Surprisingly, snaking your main line can potentially make the clog worse.

How do you get a snake past the P-trap?

Crank the Handle of the Drain Snake

When pushing the cable through the P-trap, the U-shaped pipe section under the sink, you may encounter some friction and resistance. If this happens, push on the cable while cranking the drain snake slowly. A couple of turns will help the cable maneuver through the bends in the pipe.

How do you clear a main sewer line clog yourself?

High Water Pressure with Baking Soda and Vinegar

To do this, use a 2:1 ratio of vinegar to baking soda, and mix it into 60 gallons of water. As you pour the water down the drain, use a drain snake or plunger to dislodge debris that is blocking water flow.

Can snaking a drain break a pipe?

A hand crank enables a flexible cable to descend into your toilet and break up an obstruction. While billed as devices that are easy to use by anyone and everyone, drain snakes can be hard to manage, and if used improperly, can damage pipes.

How many times should you snake a drain?

You should clean your sewer line at least every two years. Getting a sewer line inspection for older homes or those with more trees is a good idea. Basic sewer line clogs and debris can be tackled with a $5 drain snake. More stubborn clogs may require professional cleaning, which costs an average of $325.

How do you clear a main line blockage without a snake?

You can tackle a clogged sewer line using other strategies if you don't have a snake on hand. First, you can run hot water down the drain for 5 to 10 minutes to see if that helps break up the clog. If it doesn't, pour equal parts of vinegar and baking soda into a bowl and then pour that mixture down the drain.

What is an alternative to snaking a drain?

The following nine alternatives are better options for solving a clogged drain.
  • Soap and Hot Water. Photo: istockphoto.com. ...
  • Drain Snake. Photo: istockphoto.com. ...
  • Baking Soda and White Vinegar. Photo: istockphoto.com. ...
  • Salt, Borax and White Vinegar. ...
  • Baking Soda and Salt. ...
  • Baking Soda and Lemon Juice. ...
  • Green Gobbler. ...
  • Bio-Clean.

Why does my drain keep clogged after snaking?

The Drain Keeps Getting Clogged After Snaking

It's possible that you didn't snake far enough into the drain. This often happens when you try to snake out the clog from the sink or toilet bowl. The snake may clear out some of the clog but leave the rest deep in the drain where it can start reaccumulating.

Can you snake a main drain?

The best way to unclog the main drain is to use a professional plumbing snake system. However, if you're a first-timer, it's important that you know how to use a plumbing snake, because it can actually damage your pipes if used improperly.

How do you unclog the worst drain?

Baking Soda and Vinegar

If you plan to use vinegar and baking soda to unclog your drain you should pour 1/2 cup of baking soda down your drain and 1/2 cup vinegar, plug the drain and then let that sit for one hour. After the hour is up, pour a pot of boiling water down the drain.

Is it better to snake a drain or use Drano?

Using a snake is also more invasive and time-consuming than using a chemical cleaner is, and can often become a dirty job. When it comes to getting at and removing major clogs or clogs that are deep down in your pipes, however, a plumber's snake is your best bet.

Does pouring bleach down the drain unclog it?

It is not a great drain clog remover. Bleach has no effect in dissolving the common culprits of household drain clogs, like hair, food scraps and grease.

How do I know if my drain snake is working?

If the clog is a solid object, the auger head entangles the object. If you don't feel the auger breaking through and twisting getting easier, pull the auger out of the drain — you'll likely pull the clog out with it. Run water full force for a few minutes to be sure that the drain is unclogged.

How often do you snake a main line?

A good general rule is to have your home's sewer lines cleaned out every 18 to 22 months.

How long does it take to unclog a main drain?

For an easy clog, your plumber may get the job done in mere minutes. For a more stubborn or deep-seated clog, the process may take multiple hours.

What size snake do I need for main drain?

Typical residential pipes run between 1 to 2 inches in diameter. These small diameter pipes will require either a 1/4” or 5/16” diameter snake. Some residential lines, like showers, might have drains with up to a 3” diameter. These larger lines may require a slightly larger snake, usually around 3/8” in diameter.

Why is my main drain backing up?

The most common cause of a main sewer line backup is a blockage. Food particles, hair, and other solid materials can build up inside drain pipes until the clog becomes big enough to obstruct the flow of wastewater. At this point, the water has no choice but to back up into your toilet or bathtub.

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