Washing Machine Noisy When Draining
My washer makes an awful grinding noise which seems to occur when it is draining the water. I thought, when I first heard this noise that it was coming from the pump. So I presumed that it may have been caused by something that had got inside the pump. Yet I've had the pump off and the filter compartment and as yet have find no foreign object.
Solution Summary
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This thread was marked as solved. Here's a summary of the problem and the fix, generated from the discussion below.
Grinding noise during drain likely due to pump obstruction or worn pump
- The problem
- The washing machine makes an awful grinding noise when draining. The pump and filter area were removed and checked, but no foreign object was found.
- Likely cause
- The strongest diagnosis is either a plastic object intermittently moving in and out of the pump via the sump hose, or a faulty drain pump becoming noisy in operation. The exact cause was not confirmed.
- What fixed it
- Recommended action was to fully drain the machine first, as floating plastic items can move back up the sump hose or into the tub during inspection. With the drain hose laid on the floor, more water can be drained by tipping the machine back and forward, which may help recover the obstruction. If no obstruction is found, the pump itself was said to be a likely fault and may need replacement. The exact repair was not confirmed in the discussion.
- Checks to try
- Pump removed and checked
- Filter compartment checked
- Drain hose laid on floor to fully drain remaining water
- Machine tipped back and forward to remove more water
- Parts or tools mentioned
- Drain pump
- Towels
- Bowl
1 Answer
Plastic objects can float away when investigating a pump for obstructions. I've had great difficulty trying to retrieve such objects because they can float back up the sump hose and even go back into the tub. Make sure you totally drain the washing machine by laying the drain hose onto the floor, or out of the back door after you've drained as much water out into a bowl. Tip the washing machine back and forward with the drain hose on the floor and you may get several more cups full of water out, which may help stop it floating away. Make sure you have plenty of towels down.
Other than that, the pump itself could be faulty and need replacing. Water pumps can become very noisy, sometimes intermittently and sometimes only after running a while.
Troubleshooting washing machine pump faults
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