How to Repair a Washing Machine with a Broken Pump

A washing machine pump is essential for draining water from the drum after a wash cycle. If your washing machine is not draining, leaking, or making unusual noises, the pump might be faulty or broken. Repairing or replacing the pump can restore your machine’s functionality and prevent further damage. This guide explains how to diagnose a broken pump, remove it, and replace or repair it.

Signs of a Broken Washing Machine Pump

A faulty pump can cause various issues, and recognizing these signs early can help you take the necessary steps for repair.

1. Water Not Draining Properly

If water remains in the drum after a cycle, the pump might not be expelling it. This could be due to a blockage or a complete failure of the pump motor.

2. Loud Noises During Drain Cycle

Grinding, rattling, or humming sounds indicate that the pump's impeller is damaged or obstructed by debris like coins or lint.

3. Water Leaks Under the Washing Machine

A cracked or damaged pump can cause water to leak from the bottom of the appliance.

4. Burning Smell or Overheating

If the pump motor is struggling to work, it can overheat, causing a burning odor. This is a serious issue that should be addressed immediately.

Tools and Materials Needed for Repair

Before starting, gather the following tools and materials:

• Screwdrivers (Phillips and flathead) – For removing screws and panels
• Pliers – For loosening hose clamps and gripping parts
• Bucket and towels – To catch excess water
• Wet/dry vacuum (optional) – For removing standing water inside the drum
• Replacement pump – If the existing one is beyond repair
• Work gloves – To protect your hands
• Flashlight – To improve visibility inside the machine

How to Repair or Replace a Washing Machine Pump

Step 1: Unplug and Drain the Washing Machine

Before working on the washing machine, unplug it from the power outlet to avoid electric shock. If your machine is full of water, place a bucket under the drain hose and lower it to manually drain excess water. You can also use a wet/dry vacuum to speed up the process.

Step 2: Locate the Pump

The pump is typically found at the bottom of the washing machine, either in the front or back, depending on the model. Refer to your machine’s user manual for specific location details.

1. Front-Load Washers – The pump is usually behind a small access panel at the bottom front of the machine.
2. Top-Load Washers – The pump is often located underneath the machine, near the drain hose. You may need to tilt the washer to access it.

Step 3: Remove the Pump

Once located, follow these steps to remove the pump:

1. Unscrew the access panel and set it aside.
2. Disconnect the drain hoses attached to the pump. Be prepared for some water to spill out.
3. Loosen or remove hose clamps using pliers.
4. Unbolt the pump from its mounting position. Some models have clips instead of bolts, which can be released with a screwdriver.
5. Carefully pull out the pump and inspect it for damage or blockages.

Step 4: Check for Blockages

Sometimes, a washing machine pump may not work due to debris lodged inside. Inspect the pump for lint, coins, hairpins, socks, or small objects that may be causing the problem. If any debris is found, remove it and clean the pump with warm water.

Step 5: Test the Pump Motor

If the pump looks intact but isn't functioning, you can test the motor using a multimeter:

1. Set the multimeter to the resistance (ohms) setting.
2. Place the probes on the motor terminals.
3. If the reading is zero or infinite resistance, the motor is faulty and needs to be replaced.

Step 6: Install the New or Repaired Pump

If the pump is damaged beyond repair, replace it with a new one. Follow these steps to install the new pump:

1. Position the new pump in place.
2. Secure it with bolts or clips.
3. Reattach the drain hoses and tighten the clamps securely.
4. Close the access panel and secure it with screws.

Testing the Washing Machine

After replacing or repairing the pump, plug the washing machine back in and run a short cycle to check if it drains properly. Observe for leaks, unusual noises, or incomplete draining. If everything runs smoothly, your washing machine is fixed.

When to Call a Professional

If you've tried cleaning the pump and replacing it but the issue persists, there might be a deeper electrical problem with the control board or wiring. In such cases, it's best to consult a professional appliance repair technician.

For further assistance, you can contact: