Jake L Boise , ID October 31, 2015 Appliance: Whirlpool Dryer WED94HEXL0 Whirlpool Dryer Wed94hexl0: Dryer was making a progressivly louder hissing sound. How to replace Dryer Blower Wheel. Replaced motor. while replacing motor I noticed cracks forming in blower wheel. I decided to replace that too. Do-It-Yourself Rating: Repair Time Estimate: 30-60 minutes