Torn or moldy door boot/gasket
On a front load washer leaking from the door, the rubber boot is the usual suspect. Coins, hairpins, or detergent buildup tear or stiffen it, so water escapes during the spin. DIY-safe: peel back the gasket folds and inspect for rips, debris, or black mold; wipe it clean. A torn boot must be replaced by a technician, as it clamps under spring tension.
Worn or clogged drain pump
A cracked drain pump housing or failed seal lets water drip underneath, making the machine leak from the bottom mid-cycle. DIY-safe: check the pump filter access panel for trapped lint, coins, and socks, and clear it. If the pump body itself is cracked or the bearing leaks, that is a technician-only replacement involving electrical connections and internal hoses.
Loose hoses or failed clamps
Fill hoses, drain hoses, and internal connections loosen over time or split with age, causing a washer leaking water at the back or floor. DIY-safe: with the machine unplugged, check that both inlet hoses are hand-tight and look for cracks or bulges in the rubber. Replace brittle fill hoses every few years. Internal hose clamps inside the cabinet are best handled by a pro.
Too much soap, or regular detergent in a high-efficiency washer, creates excess suds that overflow past seals and the dispenser. This often looks like a leak but is a usage issue. DIY-safe: switch to HE detergent, use the marked low amount, and run a tub-clean or rinse cycle to clear residue. If leaking continues with correct dosing, the cause is mechanical, not suds.
Failed tub seal or bearing
The main tub seal keeps water from reaching the bearing and motor. When it wears, water leaks from the center-bottom of the machine, sometimes with a rusty tint or grinding noise during spin. This is technician-only: reaching the seal requires major disassembly of the outer tub, and a delayed repair can ruin the bearing and transmission.
Overloaded or unbalanced drum
Cramming in bulky bedding or overloading the drum pushes water and laundry against the door and seals, forcing leaks past the boot during agitation and spin. DIY-safe: wash large items in smaller loads, distribute laundry evenly, and avoid stuffing the drum past three-quarters full. If the washer leaks even with normal, balanced loads, the seal or boot is the real problem.