Thread Number: 84611  /  Tag: Vintage Dishwashers
Whirlpool dishwasher won’t drain
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Post# 1090300   9/22/2020 at 17:45 (916 days old) by Tomdawg (Des moines)        

So, whirlpool dishwashers are my weak spot for repairs. I am helping a single mom of 3 get here dishwasher back up and running.

She said it will not drain.

What should I look for, other than a clogged hose?

Here’s the picture of the front of the dishwasher

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Post# 1090315 , Reply# 1   9/22/2020 at 19:33 (916 days old) by combo52 (50 Year Repair Tech Beltsville,Md)        
Clean Wash Standard Tub WP DW

combo52's profile picture

This DW has the horizontal motor that reverses for wash or drain.


Be sure the motor is stopping to reverse for drain, if so there is no electrical-timer problem.


Check for a clogged air-gap if one was used, then remove the lower panel and check for a clogged drain check valve [ its the plastic elbow where the drain hose connects ]


Other than these things the pump assembly could have a bad drain valve diaphragm, it is a rubber part that is under a white plastic cover on the back of the pump, you will either have to remove the motor and pump assembly to get at it or remove the entire DW to gain access.


John L.

Post# 1090326 , Reply# 2   9/22/2020 at 23:41 (916 days old) by Tomdawg (Des moines)        

Thank you, John! Got her cleaned up. And working again!

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