Garrison W New Berlin , NY December 18, 2015 Appliance: Whirlpool Electric Dryer GEW9250PW1 Whirlpool Dryer Gew9250pw1: Timer damaged by inept operator. How to replace Dryer Timer Knob Assembly. Replaced timer & knob ( cracked ) total R &R about 30 min. Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes