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Gene  
#11 Posted : Monday, September 20, 2010 11:40:43 AM(UTC)
Gene

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Tom,

The same advice should work for you as well.

- For your dishwasher the wash motor Part number: AP4512251
Part number: AP4512251


Gene.
Dan346  
#12 Posted : Monday, September 20, 2010 3:47:51 PM(UTC)
Dan346

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Is this something that I could replace (I've never fixed a dishwasher), or would I need to hire a pro?
Gene  
#13 Posted : Monday, September 20, 2010 7:23:15 PM(UTC)
Gene

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Dan,

If you know how to handle a simple tools you probably can do it. The instructions are attached to the reply. You can save more than $150, doing this repair yourself.

Gene.
File Attachment(s):
Pump and motor assembly.doc (446kb) downloaded 16 time(s).
atlsud  
#14 Posted : Saturday, September 25, 2010 12:37:33 PM(UTC)
atlsud

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Gene,

Thanks for your help. I'll be ordering the motor and will be replacing this DYI. I probably won't get around to it until next week, but I will post the results here.
atlsud  
#15 Posted : Saturday, October 2, 2010 8:52:30 AM(UTC)
atlsud

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Swapped out the motor this morning and the grinding noise is completely gone. The old motor probably had a bearing that went, you could hear a grinding noise when turning the motor by hand.

Some tips I can offer someone else.
[LIST=1]
  • After disconnecting the water in and waste out hoses, slide the dishwasher out. It is a lot easier to turn the retaining clips that are located UNDER the dishwasher.
  • There is a hose that delivers water to the top spray arms at the rear of the dishwasher that needs to be removed. I also removed something that looked like a sensor that was attached to the motor/pump assembly that was attached with 2 torx screws. This allowed me to completely remove the assembly to replace the motor.
  • There were 5 torx screws, 3 inside the assembly and 2 on the outside metal bracket. I used food grade silicone lube (home brewer here) instead of the Vaseline on the two gaskets. Petroleum based Vaseline may degrade the gaskets over time.
  • The large gasket around the pump/motor assembly was the most difficult part. I was wrestling with the gasket for a good 15 minutes before I had a great idea to lube the tub and motor assebly with my silicone lube. The gasket was then placed on the assembly and set into the tub. The lube helped the gasket stay on the assembly as well as slide the assembly/gasket into the seat of the tub. Only took one try after applying the lube.
    [/LIST]

    It took me about 1.5 hrs to complete this job. If I had to do this again it would only take me half that time. It takes some flexibility to get to some other parts under the washer. Also, it is very awkward trying to get leverage inside the tub with the door open.

    Thanks again to Gene!
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