Richard G Interlochen , MI October 27, 2021 Appliance: LG Dryer DLE3733S Lg Dryer Dle3733s / Atteeus: 14 yr old LG clothes dryer was squealing and thumping when the drum turned. How to replace Idler Pulley Assembly. Read up on possible causes - and guessed it was a combination of the drum belt, drum rollers and tension pully. Ordered all three items before I started the project. Do-It-Yourself Rating: Repair Time Estimate: 2+ hours