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HomeRepair HelpBosch Dishwasher RepairBosch Dishwasher leaking from motor area Repair
Bosch Dishwasher leaking from motor area
If your Bosch dishwasher is leaking from motor area, start by pinpointing exactly where the water is coming from under the tub. In most cases, a Bosch dishwasher leaking under motor or leaking from pump area is caused by a failed motor shaft seal, so the shaft seal is the first part to check. If that seal is worn, you may need a seal kit or an impeller and seal kit, depending on how Bosch configured your model. If the leak is tied to a damaged impeller, a dishwasher pump seal leaking can often be fixed without replacing the whole unit. Next in line is the pump and motor assembly, especially if the motor shaft is rusted or the new impeller will not fit. Less often, a cracked water inlet valve can drip near the motor area, or a damaged drain hose can leak where it connects to the drain pump outlet port. For the right fix, enter your Bosch dishwasher 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 machine.
01 - Bosch 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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02 - Bosch 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.)
Top Solution
03 - Bosch 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 - Bosch 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 - Bosch 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 - Bosch 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 Bosch dishwasher leaking from the motor area?
How can I tell if the leak is coming from the shaft seal, water inlet valve, or drain hose?
Should I replace the impeller and seal kit or the whole pump and motor assembly on my Bosch dishwasher?
Can a cracked water inlet valve cause a Bosch dishwasher to leak underneath near the motor?
How do I find the right Bosch dishwasher leak repair part for my model?
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