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Dishwasher began making a grinding noise that sounded like someone being tortured
Figure out how to remove the spray arm (15 min); remove all the parts below (15 min); figure out what's not right (5 min). the pump discharge head is two parts. The flat disk that is attached to the under side of the discharge head came off and was being ground up by the impeller nut. Hence the noise. I superglued it back together and ordered the replacement parts. the superglue lasted through about 1 rinse cycle. The repair parts arrived the following day, and since I already knew how to disassemble and reassemble, the actual replacement was about 15 minutes. The dishwasher hasn't been this quiet in over 2 years.
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Noise after water disharge.
Using the part list (on your web site)as a guide to remove the parts,Part 32 remove by hand turning counter clockwise,remove screws #5,remove parts(33,34,31,2).
Remove #36 remove 4,3,,6,7,,8,9,remove screws#27 then remove #11 which has a plate part of it but broke on the underside (you can't see it in the picture)it will rub on the fins of part#14 during the cycle when dishes are being washed creating a grinding noise.
i Do suggest to replace the seals,38,37,you may coat the new seals with liquid hand soap for easier installation.
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Pump cover was gunked up needed yo be replaced
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Noise when used
removed lower spray bar took discharge housing off replace new parts
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Impeller broke up after 9 years of very hot water
I followed the excellent parts diagram on the PartSelect.com site to remove one screw after another, until I arrived at the disintegrated impeller.
After replacing it, I reversed the procedure, again refering to the diagram frequently.
In the process, I discovered that one part, the pump housing filter, had shrunk over the years, preventing the pump cover to seat properly. Although I had a few service calls in the past (we had a service contract until a month ago), no one could find the reason why the cover did not tighten down. I was told the screw holes were stripped, and it would not be worth replacing the whole base.
Anyway, I used a Dremel grinder on the filter latches to increase the diameter of the filter, and it fits now.
The nine-year old dishwasher runs like a charm again.
Incidentally, the ordered parts arrived within 24 hours! How do they accomplish such fast delivery?
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