Kenmore Dishwasher grinding noise
Posted 18 May 2005 - 12:21 PM
I have a Kenmore Ultra Wash Dishwasher (model# 665.15828691) that emits a "grinding" noise when the motor runs (sounds like the noise of stripped gears). I've removed the spray arm assembly, which exposes the top of the impeller. When I turn the impeller by hand, it rotates freely but I can hear a clicking sound and feel it hit something as it makes a full rotation.
My next course of action was to remove the screw which holds the impeller so I could get into the pump assembly to see what's loose in there, but I can't get the hex-head screw to loosen.
I've tried a 1" open end wrench on the impeller's hex head with a socket wrench on the screw, trying to loosen the screw both counter-clockwise and clockwise (in case it is reverse-threaded). I also slipped a 1" socket with a 1/2" drive over the impeller hex head, running the 1/4" drive socket and extension for the screw thru it, using a large screwdriver to keep the 1" socket from turning. No luck... I stopped, being leery of breaking the head off the screw.
Am I missing something here? Is this a common problem? Any tips?
I considered cutting the impeller off, leaving the plastic hex head part attached (so I'd have a shot at removing the screw once I got the filter assembly off and could get a better grip on the hex, but I'm not sure that it's the way to go, since I can't tell what size the opening in the filter assembly is, underneath the impeller and I don't know if I'd accomplish anything other than destroying the impeller.
Any advice you could share will be appreciated. In the meantime, I'll have a brewski and hope for some words of wisdom!
ps: I've reviewed the parts diagram you've provided elsewhere in the Forums and thank you for the info.
Posted 18 May 2005 - 02:10 PM
And, as you suspected, once you lift that black impeller, you'll no doubt find a peice of foreign detritis underneath there.
Persevere and you shall overcome!
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Posted 18 May 2005 - 04:48 PM
After reading your post, I was compelled to trust in the word of the great Samurai and immediately reached for the largest set of vice grips I own, which helped wrench that baby out of there! Lo and behold, I found three 1/4" diameter stones, 4 plastic straws, a dime, and a clear flat piece of plastic that is over an inch wide and almost two inches long! (I have no idea how the flat plastic got in there; the rest was undoubtedly the work of either my five year old or my fifteen year old...).
The dishwasher runs fine again (and doesn't leak). ...now if only I had a robot to put the soap in and push the start button...
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