Richard D Dallas , TX November 21, 2021 Appliance: Whirlpool Electric Dryer WED9200SQ0 Whirlpool Dryer Wed9200sq0: The dryer was making a high pitched squeak when it was running. How to replace Idler Pulley. I watched the video. Removed the top of the dryer, then the back. R&R the idler pully. Since I had it all apart, I ordered the belt and replaced that also. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes