Michael J Topeak , KS January 30, 2015 Appliance: Frigidaire Laundry Center FEX831FS1 Frigidaire Washer Dryer Combo Fex831fs1: Sqealing noise at start of spin cycle. How to replace Idler Pulley. I replaced the idler pulley, drive belt, and while I was at it, also replaced the snubber ring. I found step by step videos on you tube which enabled me to do the repairs myself. 66 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes