About a day after this thing went out of warranty it started making a whining noise when the main motor is running. In the months that have passed it seems to be getting louder.
Should I replace the motor, the impeller, or something else.
I am very disappointed in this product - and Sears
The next time this bearing goes I will destroy this POS!!! And go right back to Sears and buy another and ***** and moan when it screws up!!! LOL! I'm gettin alittle jumpy...it's been over two years since the last bearing failed.
Problem is with the main pump motor bearing. Water leaking from the face seal enters the front bearing. After some time, the bearing wears out bringing on the loud noise. The motor is easy to remove but the bearing requires some time to remove. I did not have access to a press so I ground off the bearing an replaced it with a shielded 8mmx22mm type. Grainger p/n 1L001. The part is only $9 compared to over $200 for a replacement motor. It takes some time and disassembly of the dishwasher can be difficult but take your time and be ginger with the parts. The root of the problem seems to be the impeller. It screws onto the motor shaft and seems to work loose after time. Since its tightness compresses the face seal, when it loosens water can seep. No way to lock it in place after tightening. Weak design point.
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Re: whining main motor
Blueweals, on model number 66516032400 and 66516032401, there was a motor safety recall. I don't know if your model number starts or ends with these numbers, but I'm assuming so. If so, you should have had the motor replaced under a recall because of a potential fire hazard. Post back with a full model number and serial number and I will let you know if your dishwasher was included in this service flash...Catriver.
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When an appliance such as a dishwasher starts making a new noise, you need to isolate the cause of the noise so that you know whether or not it is damaging the machine. Several things can cause a noisy dishwasher.
Dishwashers are driven by an internal motor that gets quite noisy when defective. The problem occurs when a seal breaks down and allows water to access the bearings in the motor, removing the grease needed for proper lubrication and creating a loud motor noise when the dishwasher runs. The seal or bearings need to be replaced in this situation quickly or more extensive damage to the motor may occur.
If the inlet valve on your dishwasher is broken or breaking, you will hear a distinctive thumping or clattering noise whenever a load is run. A thumping noise doesn't always indicate this problem, however, depending on when you hear it. If you hear a noise like this when the water is filling up the dishwasher at the start of the cycle, the noise likely points to an inlet valve problem.
A high-pitched squealing noise is an indication that something is wrong with the fan. Fan bearings that are worn out indicate that the fan apparatus needs to be replaced. If the noise you're hearing is in fact coming from the fan, it will only occur when the dishwasher is drying the dishes. Dishwashers use a fan to generate and distribute heat to dry the dishes quickly.
Sometimes even a minor concern can cause a great deal of noise. The thing to watch for is whether or not the noise repeats itself on multiple loads. A loud noise on a single load that doesn't repeat could be caused by things like a loose utensil or small implement rattling around loose in the dishwasher. Also inspect the bottom of your dishwasher. Hardened bits of old food can become rock hard under the heat in the dishwasher and cause noise when the unit runs.
if you listen to the appliance and the noise is louder on the rhs and low down this is probably the main wash motor they sometimes do whine if you can live with the noise leave it alone if not you basically have to take the whole applianmce apart for access to the motor costly repair would take a trained pro about 90 mins to replace the motor if the noise is coming from the front of the appliance more to the lhs and is intermittant ie when it first starts up and then about half way through its likely to be the drain pump relitively easy to replace and you dont have to take the appliance to bits just go at from the front good luck
It may be debris in the food chopper or the motor going bad.
Inspect food chopper: Remove lower spray arm and rear water supply tube to upper spray arm. Remove torx screws that secure the sump cover. Remove the rounded cover on the left side to expose the chopper assembly. Inspect for breakage of blockage. There may be an additional plastic screen to remove first.
How deep do you want to get into this?It sounds like the wash pump motor bearings that are worn.You can pull the unit out flip it over and wd40 the bearings in the motor or you can replace the bearings.Try to lube them first.
A loud high pitch whine while running the dishwasher means that there is something caught in the chopper assembly. To get to the chopper assembly you need to take the racks out and take the pump apart from the inside of the dishwasher. The chopper assembly looks like a metal grate with holes in it. And it might not even be stuck in the grate but somewhere in the pump area due to the water being pumped out, so the best idea is to take the whole thing apart and clean everywhere. However I do not recommend doing this unless you are completely certain you will remember where the screws and gaskets go, otherwise you risk damaging your pump or house from a leak or improper installation. You have been warned.
the arms are only turned by water coming out of them thro angled jets, they are not electrically driven. the noise will be coming from the circulating pump, probably one of the bearings. no cure except to replace