Ross B Jonesboro , AR April 30, 2023 Appliance: Samsung Dryer DV448AEP/XAA-0000 Samsung Dryer Dv448aep/Xaa-0000 / : Idler tension spring came off. How to replace Dryer Idler Tension Spring. Replaced tension arm and pulley wheel, spring and belt. Got good help from the videos. The hardest part was moving the washing machine to get access to the back of the dryer. 1 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours