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Loud squealing noise during operation
Turn off electric to unit. Remove lint trap. Remove lower cover below dryer door. 1 grey clip on either side. Bend upper portion of the clip down while pulling forward on panel. Remove 4 1/4 inch bolts that hold blower duct to fan. Push pulley upward while removing belt. Use a small angled pick to remove pulley lock ring. Install new washer and pulley. I added grease to pulley shaft. Hope this helped. Good luck
Removed the top, removed lower front cover, removed the front, removed the belt, removed the drum and the back. Removed and replaced roller support shaft and drum roller’s. Completed all Front and rear support for drum. Replaced drum , replaced drum roller belt and replaced back, completed replacement of the top, front.
Maintenance - cleaning out the lint chute (most makes)
Lint can build up inside the dryer, and can cause a fire in EXTREME cases. If your model has a back panel that exposes the entire chute, this job is much easier. Unscrew the chute from the machine to remove it. Inspect and clean all the lint out, especially the bottom, next to the fan blower. The other version machine has a panel at the top that is welded on. Remove the two screws at the top corner of the rear bulkhead, where the chute is. Gently pull this inner panel away to free the top of the chute from the rear top panel. Then pull the chute down and out. Follow the reverse to complete the job.
Pulled the back panel off with nut driver , reached in removed belt from pulley , disconnected the spring , removed the the 1 bolt holding the bracket . Put the new one in , in reverse order . Very simple , maybe 15 minutes total . While back is off , shop vac out any lint !!
Took door off with a Phillips screwdriver went to hardware store with door so he could match up the 6pt screwdrivers that were needed. No more then 1 hour to do.
Removed the top of the unit. Then removed the control board by removing a few screws. Next was to take the top portion of the front of the unit away from the frame by removing the upper level of screws and loosening the lower row of screws. This allowed me space to clip out the faulty door switch and connect the new part. Put it back together and the unit sings like a bird with a worm!
Removed the lower front cover of the dryer. Removed the lint filter and removed the cover from the air duct by removing two 1/4" bolts. Removed the two 1/4" bolts retaining the thermistor. Installed the new thermistor and covers.
Removed rear cover (6 screws) unpluged harness from motor control and removed same. Replaced motor control reinstalled harness. Replaced rear cover. Parts used motor control board.
Loud squealing from newer Whirlpool Front Loading Dryer
Dryer was making intermittent squealing noises sometimes it was amazingly loud, sometimes not so bad. Still, I figured this couldn't be good so I wanted to find a fix. Read the stories here and everything pointed to the 'idler pulley', so I figured I'd give it a try. For me, access was the hardest part -- my laundry room is small and I can't easily get the dryer out or move it around. Not a problem with the part, just my own setup. Important to note that this repair is best done through the BACK of the unit, not the front. Once I got access to the back (removing AC and Water used for the 'steam dry feature') I also had to disconnect several of the electrical connectors to get the unit fully apart. Good news -- the actual replacement of the pulley took about 1 minute! It was just all of the moving and disassembly that took so long. The original idler pulley had worked its way off of the shaft and was out of place and causing the squealing. All is well now, and I saved a bunch by doing it myself. No more squealing!
First tried repairing the old idler by cleaning and lubricating the shaft. That lasted for about a week but the squealing returned. Ordered the part and had it in a few days. Replaced the idler wheel and it's been quietly running like new for several weeks now. Now wife thinks I'm Superman.