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HomeRepair HelpDishwasher RepairDishwasher leaking from motor area Repair
Dishwasher leaking from motor area
If your dishwasher is leaking from motor area parts under the tub, start by pinpointing exactly where the water is coming from. In most cases, a dishwasher leaking from pump area is caused by a bad shaft seal, so the motor shaft seal is the first part to check. Depending on your model, you may be able to replace just the seal kit, or you may need an impeller and seal kit. If the seal and impeller are worn together, that combination is usually the next most likely cause of a dishwasher pump seal leaking. If the motor shaft is rusted, the new impeller will not fit, or the internal pump parts are not sold separately, replacing the full pump and motor assembly is often the better fix. Less often, a dishwasher leaking under motor can be traced to a cracked water inlet valve or a damaged drain hose near the drain pump outlet. Enter your model number on RepairClinic.com to find the exact shaft seal, seal kit, impeller and seal kit, pump and motor assembly, water inlet valve, or drain hose that fits your specific dishwasher.
01 - Dishwasher Shaft Seal
First, try to determine the source of the leak. If the water is leaking from the motor shaft area, the motor shaft seal is likely defective. If the seal is defective, replace it. (Some manufacturers sell the seal independently of the impeller. Other manufacturers require that you purchase the impeller and seal together. Still other manufacturers require that you purchase the entire pump and motor assembly instead of the impeller and seal. It is more cost effective to replace the seal kit rather than the impeller and seal.)
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Top Solution
02 - Dishwasher Impeller and Seal Kit
First, try to determine the source of the leak. If the water is leaking from the motor shaft area, the motor shaft seal is likely defective. If the seal is defective, replace it. (Some manufacturers sell the seal independently of the impeller. Other manufacturers require that you purchase the impeller and seal together. Still other manufacturers require that you purchase the entire pump and motor assembly instead of the impeller and seal. It is usually more cost effective to replace the impeller and seal kit rather than the pump and motor assembly.)
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03 - Dishwasher Seal Kit
First, try to determine the source of the leak. If the water is leaking from the motor shaft area, the motor shaft seal is likely defective. If the seal is defective, replace it. (Some manufacturers sell the seal independently of the impeller. Other manufacturers require that you purchase the impeller and seal together. Still other manufacturers require that you purchase the entire pump and motor assembly instead of the impeller and seal. It is more cost effective to replace the seal kit rather than the impeller and seal.)
Top Solution
04 - Dishwasher Pump and Motor Assembly
If the dishwasher is leaking water from the motor area, the entire pump and motor assembly need to be replaced. First, try to determine the source of the leak. If the water is leaking from the drain pump, the impeller and seal is likely the cause. On most dishwashers, you can replace the impeller and seal kit independently of the drain pump. However, if you do not want to disassemble the pump, or if the impeller and seal kit is not available separately, you can replace the entire pump and motor assembly. In addition, if the motor shaft is rusted and the new impeller won’t fit onto the shaft, replace the pump and motor asse...
Highly Likely
05 - Dishwasher Water Inlet Valve
A dishwasher's water inlet valve opens following a short drain cycle to fill the tank with water in preparation for the wash cycle. If the inlet valve is cracked or damaged, the dishwasher can leak water near the motor area beneath the dishwasher tank.
Common
06 - Dishwasher Sump
Most dishwasher pumps have a large bowl, or sump, which collects the water that enters the pump. The sump is lined with a rubber seal that prevents water from entering the dishwasher tub. If the sump seal is worn out, the sump will leak water. If the sump seal is leaking water, replace it. In addition, on some dishwashers, a lock ring secures the sump to the bottom of the tub. If the lock ring is cracked or damaged, replace it.
Common
07 - Dishwasher Drain Hose
A dishwasher leak near the motor area could be caused by damaged drain hose. Confirm the hose is secured to the drain pump outlet port and check for any cracks or holes in the hose itself. Replace a damaged drain hose with a new one.
Common
Frequently Asked Questions
Why is my dishwasher leaking from the motor area?
Is a dishwasher pump seal leaking the same thing as a motor shaft seal leak?
Should I replace the pump and motor assembly if my dishwasher is leaking from underneath?
How do I tell if the dishwasher drain hose or water inlet valve is causing the leak?
How do I find the right shaft seal, seal kit, or impeller and seal kit for my dishwasher?