What causes a washing machine drain pump to fail?

Author: Sierra Howell  |  Last update: Tuesday, November 4, 2025

A pump can fail in two ways: mechanically and electrically. A mechanical failure can be caused by a foreign object caught in the pump, or direct damage to a pump component, such as the impeller, which can cause the washer to not drain. Inspecting the pump can often reveal a mechanical failure.

Why does my washer drain pump keep failing?

  • Clogged: Lint, debris, or even foreign objects can block the pump, hoses, or filter.
  • Worn pump: Age, defective components, or hard water can lead to pump problems.
  • Installation issues: Kinks in the drain hose or improper venting can hinder water flow.

How do I know if my washing machine drain pump is bad?

Common drain pump failure symptoms include: Incomplete cycles: Have you recently checked a wash load only to discover a full reservoir or soaked clothes? These issues indicate incomplete cycles, a hallmark of a failing drain pump. Stinky smells: You might detect rotten or decay odors wafting from your washing machine.

Is it worth replacing the pump on a washing machine?

Yes its worth fixing your washing machine if it's just the drain pump that's gone bad. But really not worth the effort if the tank seal goes bad.

Why does my washing machine keep failing to drain?

This could be due to lint, debris, or even small items of clothing becoming lodged within the hose. To check for blockages, remove the drain hose from the drain outlet and visually inspect it. If you find any obstructions, remove them, and reattach the hose, ensuring it's securely in place.

How to resolve washing machine drain and pump problems | by Hotpoint

Why is my washing machine pump working but not draining?

A washing machine not draining can have multiple causes, including a clogged or jammed drain hose or a broken pump, lid switch, or belt. No matter the culprit, you need to drain the water from the washing machine before diagnosing the issue or doing any work to remedy the situation.

How long do drain pumps last?

While their lifespans differ based on several variables, such as quality and usage, they typically last around 10 years. If you don't maintain your sump pump regularly, you may not notice it's malfunctioning until it stops working. Once it does, it can lead to expensive water damage to your home and belongings.

How much does it cost to replace a washing machine drain pump?

Washing machine pump repair costs $150 to $350 on average to replace the drain pump. A new pump for a washing machine costs $20 to $100 for the part alone. The drain pump removes water from the tub during the drain cycle. A broken drain pump causes leaks, drain blockage, or loud noises.

Will a bad drain pump cause a washer to not spin?

Your washing machine may fail to run the spin cycle because it cannot drain the water out of the drum. In this case, the problem likely is a result of a clogged or faulty drain pump.

What is the most expensive part to replace on a washing machine?

Drum. Unfortunately, the drum is the most expensive of all the possible washing machine replacement parts. Expect to spend at least $400 on a washing machine drum replacement. Water Inlet Valve.

How often should you clear the drain pump on a washing machine?

Clean the drain pump filter at least once a month. You may need to clean it more frequently if the washer is used on a daily basis. If you notice any signs of clogging or improper drainage, clean the filter immediately.

What is the drain pump error on a washing machine?

Drain Pump Filter Is Blocked

If this screen is clogged with debris, cleaning it yourself and reassembling the pump should fix the problem. But if there are no obstructions, your water pump may have failed. It will need to be replaced by a professional, unless you have advanced DIY skills.

How do I know if my washer fluid pump is bad?

If you activate the windshield washer and don't hear the pump's distinct sound, then the pump is either broken or not receiving any power. This can be due to faulty wiring or other electrical issues.

How do I know if my washing machine drain is clogged?

Gurgling and bubbling noises coming from the hose and drain pipe. Bad odors emanating from the drain. Cycle ends with the tub filled with water and clothes are still wet. Water is leaking onto the floor near the washing machine.

How much does it cost to fix washer fluid pump?

However, a general estimate includes: Parts: A washer fluid pump can cost between $30 and $100. Labour: Labour costs typically range from $50 to $100, depending on the complexity of the installation. This usually takes about 1 hour to complete.

What causes a drain pump to fail?

A pump can fail in two ways: mechanically and electrically. A mechanical failure can be caused by a foreign object caught in the pump, or direct damage to a pump component, such as the impeller, which can cause the washer to not drain. Inspecting the pump can often reveal a mechanical failure.

How to check washer drain pump?

First, set your multimeter to the 2k setting, which stands for 2 kiloohms. Then place the two multimeter prongs into the socket in which the electrical connection was connected. If your drain pump is working properly, the multimeter should show a reading between 160 ohms to 260 ohms (with about 5% leeway).

How do I force my washing machine to drain?

How to drain a washer filled with water
  1. Try the spin cycle. ...
  2. Turn off the power and water supply. ...
  3. Remove and check the drain hose. ...
  4. Check to see if it will drain with the help of gravity. ...
  5. Check your machine's inner workings. ...
  6. Check the drain pipe. ...
  7. Drain manually if needed. ...
  8. Call a service professional.

Is it worth fixing a 7 year old washing machine?

Factors to Consider

If you spent $650 on your washer seven years ago and you're doing seven loads per week (a lot of wear and tear), a new washer purchase makes sense. But if the machine is 3 years old and you spent $1,000 for it, a repair may be the better financial choice.

Is it cheaper to repair or replace a washing machine?

Repairing a broken washing machine rather than replacing it is sometimes more cost-effective. Several factors support the decision to fix. First, if the problem is minor or can be fixed with a simple repair, it is usually more cost-effective to repair rather than replace the machine.

How long do washing machines last?

Typically a washing machine lasts 10-13 years. Top-loading washers typically last a few years longer than their front-loading brethren. If you use a stacked washer/dryer combo, you may have to replace both if one starts acting up. Proper maintenance will likely help your washer last for over 15 years.

How much does it cost to replace the drain pump on a LG washing machine?

LG Washer Pump Replacement Cost

In general, you can expect to pay anywhere from $150 to $450 for an LG washing machine pump replacement. It's important to note that this price range is just an estimate and the actual cost of a pump replacement may be higher or lower depending on your specific situation.

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