Model #EED4400SQ0, this dryer was doing it’s drying thing, but had become progressively noisy of late. The customer described it as a growling or chirping type noise that seemed to be louder at the beginning of the cycle, but with the laundry room and garage being one in the same, it was difficult to be certain. It was loud enough at times to be heard inside the house which meant it was time to have it looked at.
Looking for noises, as I have talked about in many a post, is best done with your ears open. Not to sound flippant, but doing some simple poking around with your head to try and determine which part of the machine a noise is coming from can save time and energy. The simple truth is, although some appliances have common sources of noise, many are more a product of the environment and how it is being used. And asking for advice on locating a noise is often full of guesses and suggestions that may have little to do with the actual problem.
So to begin with, listen to the appliance and pinpoint the area it seems to be coming from. Also, if the appliances has moving parts such as this dryer, pay attention to the frequency of the noise. A slow consistent sound will likely come from something like the drum that is turning slowly, while a quick sound is more likely from one of the smaller fast turning rollers.
The sound as the customer described didn’t jog any memories for me, so I followed my own advice and began to listen as the dryer rotated. I quickly determined the noise was constant and seemed to be coming from the back of the unit. Since all the moving parts are in front of the rear bulkhead on this dryer, I removed the front panel and had a look around.
With the panel removed and the drum out of the way, I could see each of the support rollers, and idler roller. Now it was time to see if I could recreate the noise by hand. The idler seemed fine, but while spinning each of the support rollers, I found one making a vibrating noise as it rotated. These rollers use brass bushings that ride on chrome shafts for a very smooth ride. As time passes, heat and dirt can cause the bushing to wear to the point it no longer rides well on the shaft resulting in noise. A simple test is to turn the roller around and see if the noise changes.
I removed the other roller and cleaned both shafts with a rag, and installed a set of new rollers on each shaft. The roller kit comes with new clips which simply slide into recesses in the shaft. Do not oil these as the oil will only attract dirt and dust resulting in a shorter lifespan for the new rollers. With everything put back together, the dryer was ready for use again, but now it was going to be much quieter.
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