W10876537 Dishwasher Drain Pump – What Part Fixes This Problem?
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Understanding the Problem
Brief explanation: The W10876537 is a dishwasher drain pump assembly used on many Whirlpool-family dishwashers. When this pump fails the dishwasher will often not drain water, may hum, make grinding noises, leak at the base, or display drain-related error codes. Step-by-step diagnostics and repair (practical how-to): 1. Safety first: unplug the dishwasher or switch off its breaker and shut off the water supply. Have towels ready for spills. 2. Confirm the symptom: run a short rinse or drain cycle. If water remains in the tub at the end, or you hear a humming motor but no water moving, suspect the drain pump. 3. Check the obvious: remove and clean the filter/sump area at the bottom of the tub. Look for coins, bones, glass, or clogging that can jam the impeller. 4. Access the pump: pull the dishwasher out, remove the lower kickplate or toe panel, and place a shallow pan under the pump area to catch residual water. 5. Visual inspection: inspect drain hose and air gap for clogs; check hose clamps for tightness and for leaks around the pump housing. 6. Manual spin test: with power still off, reach into the sump and try to spin the pump impeller (if accessible). If it doesn't turn freely or is obstructed, clear debris or replace the pump if impeller is broken. 7. Electrical test: disconnect the pump wiring and use a multimeter to check for motor continuity across the pump motor terminals. A healthy pump usually shows a low-resistance reading (tens to a few hundred ohms). An open circuit (infinite) means the motor windings are bad. 8. Apply direct power (advanced test only): if comfortable and experienced, you can briefly apply the appropriate voltage to the pump to verify it runs (this confirms mechanical/electrical failure). Take strict safety precautions — this step is for experienced DIYers or techs only. 9. Replace pump if faulty: to replace the W10876537 drain pump — a. Remove power and water. Pull the dishwasher forward and lay it on its back if needed for better access (protect flooring). b. Loosen and remove the hose clamps on the inlet/outlet hoses and remove hoses from the pump. Have towels ready. c. Unplug the electrical connector from the pump and remove any mounting screws or clips holding the pump to the sump. d. Remove the old pump and compare with the new W10876537. Transfer gaskets/clips if needed or replace them. e. Install the new pump, tighten hose clamps, reconnect electrical connector, and reassemble toe panel and dishwasher position. f. Restore power and water, run a drain test cycle and check for leaks and proper draining. 10. Final check: run a full cycle to confirm the dishwasher drains normally and there are no leaks or unusual noises. Safety note: Always disconnect electrical power before working on the dishwasher. If you are not comfortable working with household voltage or plumbing, hire a qualified appliance technician.
Common Symptoms
Dishwasher won't drain; standing water in tub after cycle; humming or grinding noises from base; drain-related error codes; leaks from the pump/sump area.
Common Causes
- Debris or foreign object jamming the impeller in the pump/sump
- Pump motor electrical failure (open or shorted windings)
- Clogged drain hose, air gap, or check valve preventing water flow
Popular Parts That Fix This Problem
These are the most common replacement parts that fix this problem. When you're ready to order, click below to find the right part at ProsourceParts.com — just search by your appliance model number for a guaranteed fit.
Helpful Repair Tip
If you hear the pump motor hum but the dishwasher doesn't drain and you can’t manually spin the impeller, the impeller is likely jammed or the motor windings are burned out—both indicate replacing the W10876537 pump.
Frequently Asked Questions
How much does it cost to replace the W10876537 drain pump?
Part cost varies by seller but typically ranges from $40–$110. Expect 30–60 minutes for a skilled DIYer; a service call plus labor from a technician usually totals $150–$350 depending on rates in your area.
Can I run the dishwasher if the drain pump is bad?
No — running the dishwasher with a bad drain pump will leave water in the tub, may cause overflowing or leaks, and can lead to odor and sanitation issues. Replace the pump or clear the obstruction before using the dishwasher.
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