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Customer Questions and Answers for Drain Pump by Bosch

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    • Part Number: AP3996662
    • MFG Part Number: 00642239
    • Made by: Bosch
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For Bosch Drain Pump (Part Number: AP3996662)

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12 yr old Bosch Dishwasher won't drain at all, cleaned out bottom part and little rubber piece...no blockages. I'm guessing its the drain pump which seems easy to replace myself. What is the drain pump I would need to order? Also should I check anything else because prior to the dishwasher not draining at all, it was backfilling from the sink water too. When I would turn on faucet and then garbage disposal, sometimes the water would fill the dishwasher, I would open it and water would come out on floor. Recently had drains under sink cleaned, but the plumber wouldn't check anything with dishwasher said I needed appliance repairman. Thank you in advance!!

Elaine U. for Model Number Bosch SHV4803UC/U07 FD 8004

ANSWER Hello Elaine, This sounds like you have removed the check valve 00165262 that allows for either drain or circulation. Without this valve in place, the pump will constantly try to both circulate and drain at the same time, preventing the normal operation in either mode. In case I am incorrect in this assumption and the drain pump is in fact the only issue, the pump 00642239 will have to be replaced with an additional connector 00623143 for the electrical connection. The wire4s are not polarized by the way, so placement of the wires in the connector can be either way. The pump will not know the difference and will operate normally either way. 

Answered by AppliancePartsPros.com   |   Friday, February 22, 2013

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