Front-load washers use less water and spin faster than traditional top-loaders, but they have two well-known weak spots: the drain pump filter and the rubber door gasket. The filter catches whatever gets past the drum, and the gasket that seals water in also traps moisture once the cycle ends.
This guide covers how to clear a washer that won't drain, how to deal with the smell, and the habits that stop both from coming back.
Why a washer stops draining
A front-load washer pumps water out through a drain pump at the bottom front of the machine. Before the water reaches the pump, it passes through a filter or trap that catches coins, hair ties, lint, small socks and the occasional bra wire. When that trap fills up, the pump can't move water, and the washer stops mid-cycle with water in the drum, often displaying a drain error.
Other causes include a kinked or clogged drain hose, a blocked household drain or standpipe, and a failed drain pump. The filter is the easiest to check, so start there.
How to clean the drain pump filter
Most front-loaders have an access panel at the bottom front, on the left or right. Your manual shows exactly where. Plan for water: even a filter on an empty washer can release more water than a towel can hold.
- Unplug the washer. If it stopped mid-cycle, let hot water cool before you open anything.
- Put down towels and have a shallow pan or baking dish ready. A bucket usually won't fit under the filter.
- Open the access panel. Many machines have a small drain hose next to the filter. Pull it out, remove its cap, and let the water run into the pan. Cap it when the pan fills, empty the pan, and repeat until the flow stops.
- Turn the filter counterclockwise slowly and pull it out. More water will come out, so keep the pan and towels in place.
- Clean the filter under running water and remove anything caught in it. Look into the opening with a flashlight and remove any debris you can see. The pump impeller should turn freely if you reach in with a finger.
- Reinstall the filter fully, until it's snug. A loose filter is a common cause of leaks.
- Run a drain and spin cycle empty and check for drips at the panel.
If the washer drains now, you've found the problem. Clean the filter every few months to keep it that way.
If it still won't drain
- •Check the drain hose behind the washer for kinks, especially after the washer has been pushed back into a tight laundry closet.
- •Check the standpipe or laundry sink. If water backs up out of the standpipe during a drain, the problem is the household plumbing, not the washer.
- •Listen during a drain cycle. A humming pump that doesn't move water may be jammed. Silence may mean the pump or its control has failed.
A failed drain pump or a control problem needs a technician. If you have an LG front-loader showing OE, our article on LG front-load washer error codes explains what that code points to.
Where the smell comes from
The musty smell in a front-loader usually comes from a mix of residue and moisture in places that don't dry out:
- •The door gasket, especially in the folds at the bottom, where water, lint and hair collect.
- •The detergent dispenser drawer and the housing behind it.
- •The drain pump filter, with old water and debris sitting in it.
- •Residue on the outer tub, built up from too much detergent or fabric softener, especially with frequent cold washes.
How to clean a smelly front-loader
- Wipe the gasket. Pull back the folds and clean them with warm water and a little dish soap or a cleaner the manufacturer approves. Dry them with a towel. Check for trapped items.
- Remove and clean the dispenser drawer. Most drawers pull out with a release tab. Scrub them and wipe out the housing, including the top where mold hides.
- Clean the drain pump filter as described above.
- Run the washer's clean cycle, if it has one, with a washer cleaner or the product your manual recommends. Otherwise, run the hottest, longest cycle empty. Don't mix bleach with other cleaners.
Black spots that are deep in the gasket rubber may not come out completely. If the gasket is torn, stiff or leaking, it can be replaced.
Habits that keep it fresh
- •Leave the door open between loads, or at least cracked, so the drum and gasket dry out. If you have small children or pets, keep the laundry room door closed instead.
- •Pull out the dispenser drawer slightly so it can dry.
- •Move wet clothes to the dryer promptly.
- •Use HE detergent, and measure it. More detergent doesn't mean cleaner clothes in a front-loader. It builds up in the machine. With a water softener, you may need even less.
- •Run a hot cycle or a clean cycle regularly, about once a month, especially if you mostly wash in cold.
- •Wipe the gasket dry after the last load of the day.
When to call a technician
Call for service if:
- •The washer won't drain after the filter is clear and the hose and standpipe are fine.
- •Water leaks during the cycle, from the door, underneath or from the dispenser.
- •The door won't unlock after a cycle, or the washer won't start because it doesn't sense the door as locked.
- •The smell persists after a full clean. It can mean residue built up where only disassembly reaches it.
- •There's a loud grinding or roaring during spin, which can point to bearings.
Our washer repair page explains what we look at on a visit, and we also cover LG washers and other front-load brands. If the washer fills slowly as well, see our guide to hard water and washer inlet screens.
Frequently asked questions
Is it normal for water to come out when I open the drain filter?
Yes. There's always some water left near the pump. Be ready with towels and a shallow pan.
Can I use bleach to clean the gasket?
Some manufacturers allow a diluted bleach solution on the gasket, others recommend specific cleaners. Follow your manual, rinse afterward, and never mix bleach with vinegar or ammonia.
Do top-load washers get the same smell?
Less often, because the lid isn't airtight. But they can still build up residue, and the same advice about measuring detergent and running a periodic hot cycle applies.