Wayne D Lake In The Hills , IL December 05, 2014 Appliance: LG Dryer DLG3788W Lg Dryer Dlg3788w: The drum had split at the seem and was making a banging noise when in motion. How to replace Tub Assembly,Drum. I changed the drum and put a new belt on it and it works like brand new. Very simple job and Appliance Parts Pro had a video on how to do it it was very informative. 19 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes