Michael J Wilson , NC December 18, 2018 Appliance: Frigidaire Dryer GLER331AS2 Frigidaire Dryer Gler331as2: Loud noise when operating. How to replace Dryer Idler Spring. Replaced motor and idler arm assembly. Replacing idler arm assembly did not require any tools. Recommend motor replacement and idler arm replacement at same time as both can cause noise when old and worn. See my story on motor replacement on motor information page. 11 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes