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LG Dishwasher Doesn't Clean

LDS4821ST

The 6 most common part(s) or condition(s) which contribute to the symptom Dishwasher doesn't clean are listed below. Check or test each item and watch any available videos. If you are still unable to solve the problem you may need to do additional research and troubleshooting. Remember, with our 365 Days. Period.® return policy you can return any part for any reason. So, go ahead and buy it to try it. No other parts retailer offers this unconditional return policy.

For the symptom you selected, these are the most common parts or causes, ordered by the likelihood of fixing the symptom.

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Water Inlet Valve - Part # 1268129 Mfg Part # 5221DD1001A

Water Inlet Valve

RepairClinic Item # 1268129

If the dishwasher won't clean dishes, it might not be getting enough water. There is an electrical valve called a water inlet valve which opens to allow hot water into the dishwasher. If this valve has failed or is clogged the dishwasher won't clean the dishes properly. The valve cannot be cleaned or repaired and should be replaced.

Place your order by 8:00 PM ET and this item will ship out today - or it's FREE!

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Center Wash Arm Assembly - Part # 1268146 Mfg Part # 5249DD1001A

Center Wash Arm Assembly

RepairClinic Item # 1268146

If the dishwasher won't clean dishes, check the center wash arm assembly. If the center wash arm isn't getting water, all of the dishes in the upper rack will come out dirty. Check to be sure the center wash arm assembly is mating properly with the water supply nozzle in the back of the dishwasher. Also check to be sure the little holes in the center wash arm aren't clogged or blocked.

Place your order by 8:00 PM ET and this item will ship out today - or it's FREE!

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Lower Wash Arm Assembly - Part # 1268389 Mfg Part # AGB32598301

Lower Wash Arm Assembly

RepairClinic Item # 1268389

If the dishwasher won't clean dishes, check the lower wash arm assembly. If the lower wash arm isn't getting water, all of the dishes in the lower rack will come out dirty. Check to be sure the lower wash arm assembly spins freely. Also check to be sure the little holes in the lower wash arm aren't clogged or blocked.

Place your order by 8:00 PM ET and this item will ship out today - or it's FREE!

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Pump and Motor Assembly - Part # 1472730 Mfg Part # AJH31248604

Pump and Motor Assembly

RepairClinic Item # 1472730

If the dishwasher won't clean the dishes the pump and motor assembly might be defective. Once the dishwasher fills with water, the pump forces the water through the wash arms in order to spray the dishes. If the motor is defective, the pump impeller is broken, or some part of the pump is clogged, the dishes won't be clean. If the pump and motor has power to it and will not run it will need to be replaced.

Place your order by 8:00 PM ET and this item will ship out today - or it's FREE!

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Wash Impeller - Part # 1268190 Mfg Part # 5911ED3003A

Wash Impeller

RepairClinic Item # 1268190

On some models there is a small, replaceable impeller on the pump motor. As the motor spins, the impeller forces the water up through the wash arms. If the impeller is missing some of its fins or is broken it may not be able to produce the necessary pressure. The impeller can be replaced independently of the motor and pump assembly on most models.

Place your order by 8:00 PM ET and this item will ship out today - or it's FREE!

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Upper Wash Arm Spinner - Part # 1268148 Mfg Part # 5249DD2001A

Upper Wash Arm Spinner

RepairClinic Item # 1268148

If the dishwasher won't clean dishes, check the upper wash arm spinner. If the upper spinner isn't getting water, all of the dishes in the upper rack will come out dirty. Check to be sure the upper spinner is intact. Also check to be sure the little holes in the spinner aren't clogged or blocked.

Place your order by 8:00 PM ET and this item will ship out today - or it's FREE!

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