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Washing Machine Drain Repair Guide

mediumHome Repair2 hrs

Safety Warnings

  • Always unplug the washing machine from the electrical power source before starting any repairs to avoid electric shock.
  • Avoid using a power strip or extension cord for the washer as it may not receive enough power to drain properly.

Tools Needed

Phillips #2 — screwdriver
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adjustable 8-inch — wrench
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needle-nosed pliers — standard
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plumbing snake — standard
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Materials

bucket — large(1)
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towels — absorbent(2)
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duct tape — standard(1 roll)
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Steps

1
Turn off the power by unplugging the washing machine from the wall outlet. Use duct tape to secure the power cord to the top of the machine to prevent it from getting wet or caught underneath the unit.
2
Manually drain the standing water. For top-loaders, disconnect the drain hose from the standpipe and lower it into a large bucket. For front-loaders, locate the drain pump filter behind the lower front access panel and slowly unscrew the filter or use the small dedicated drainage tube to empty water into a shallow container.
Standpipe Bucket Drain hose Pull down to empty water Disconnect the hose and lower it into a bucket to drain standing water.
3
Inspect the drain hose for kinks or bends. Straighten any twists in the hose to ensure water can flow freely. If the hose is clogged, use a plumbing snake to push through the blockage, or run water through the hose to clear debris.
4
Clean the drain pump filter. Remove any foreign objects such as coins, fabric, or lint trapped in the filter. If the filter screen looks clogged, rinse it with warm water and a soft-bristled brush before replacing it.
5
Inspect the drain pump for mechanical blockages. Locate the pump (typically at the bottom front or back) and remove spring clamps using pliers to check for debris like elastic bands or plastic wrapped around the pump impeller. Clear these items using needle-nosed pliers.
Pump Housing Impeller Pliers Clear Debris pull outward Use needle-nosed pliers to remove debris wrapped around the pump impeller.
6
Check the lid switch (top-loaders) or door lock latch (front-loaders). For top-loaders, use the tip of a pencil to trigger the switch to ensure it is functioning. If the switch is broken or the latch does not engage, the machine may not initiate the drain cycle.
Lid switch Pencil tip Machine chassis Press down Use a pencil to trigger the lid switch to test if it is functioning.
7
Verify the drain height and plumbing. Ensure the drain hose is not positioned too high, which prevents the pump from propelling water upward, or too low, which may cause water to flow back into the drum. If the home's plumbing is the issue, try snaking the standpipe.
Washer Standpipe Drain Hose Adjust Height Avoid siphoning Ensure the drain hose is at the correct height to prevent backflow or pump failure.
8
Test the machine by reassembling all components and running a test cycle. If the machine still fails to drain or if you suspect a broken pump motor, damaged wiring, or a faulty control board, call a licensed appliance repair professional.

Pro Tips

  • If the washer is not draining in cold weather, try pouring hot water into the drain or using a hair dryer to melt ice blockages.
  • To prevent future clogs, check pockets for coins and hardware before washing, and use only the recommended amount of high-efficiency (HE) detergent to avoid oversudsing.

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