David F Carmel , IN August 14, 2016 Appliance: Whirlpool LLR8245AN0 Whirlpool Washer Llr8245an0 / : Main control kk\\ob was missing on washing machine. How to replace Timer Knob. Simply screwed new knob onto washer control panel. Very simple repair Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes