Charles D Houston , TX January 29, 2018 Appliance: Whirlpool Gas Dryer LGQ8858HZ0 Whirlpool Dryer Lgq8858hz0: Bad motor. How to replace Dryer Drum Belt 92-1/4" 4-Rib. After researching online what my dryer was doing, I disassembled it and also noted other worn parts. Using the schematic on your web site. I ordered all necessary parts. They arrived in 5 days and I had the dryer back running in an hour. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes