Greg K Deawood , SD June 14, 2021 Appliance: Model DLEX3700V My LG dlex3700v dryer was making a loud thumping noise I found your repair video online and purchased all 4 drum rollers, tension pulley and new belt. I followed the steps on the video (very well explained) which took less than an hour. Problem solved. 2 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes