Fix it
Why is my washing machine leaking from the bottom?
Water under a washer has a short list of exits, and WHEN it appears — filling, washing, draining, or spinning — points at which one. Five minutes of watching a cycle with a flashlight usually names the part.
What it usually is
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The drain pump or its hose clamps
Leaks during drain and spin point at the pump body, its seal, or the internal hose clamps around it. On front-loaders the pump lives behind the lower access panel.
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A degraded door boot (front-loaders)
The rubber bellows around the door tears or grows a fold of grime that channels water out mid-wash. Inspect the folds with the drum empty — tears hide at the bottom.
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Fill hoses and their washers at the back
Leaks while filling, or a wet trail down the back panel, implicate the supply connections. Rubber washers in the hose ends flatten with age; hoses themselves have a service life.
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Oversudsing pushing water past seals
Too much detergent — the chronic condition of HE machines — foams past the tub seals and out the bottom, imitating a mechanical leak. Suds residue at the leak trail is the tell.
What you can check yourself
Run a short cycle and watch: note the exact phase the puddle starts. Check fill-hose connections hand-tight plus a quarter turn. Inspect the boot folds. Run a hot empty cycle with no detergent — if no leak, dose detergent by the machine manual, not the cap. Clean the pump filter (front lower panel) — a coin in the filter housing causes more leaks than most failed parts.
When it’s a job for a pro
Pump and boot replacements are moderate jobs — parts are inexpensive, access is the labor. Water near motors and electronics also argues for a look before the next full load. Persistent leaks on a machine past ten years meet the repair-vs-replace math quickly.
A drain pump part is often $30 to $80, installed typically $150 to $350; door boots similar. Fill hoses are $20 DIY — replace in pairs, and braided ones cheaply retire a burst risk.
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