Doug D Bradenton , FL October 30, 2023 Appliance: Whirlpool Dishwasher WDT750SAHZ0 Whirlpool Dishwasher Wdt750sahz0: Rats chewed dishwasher drain hose. How to replace Drain Hose. Removed and replaced the hose easily. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes