Customer Questions and Answers for Knob, Timer (Control Knob), Single by Whirlpool

Hi Joe. Knob part # WP21001972. You will need to unplug the power cord from the outlet,remove the control panel Remove the three(3) screws which secure thr rear top edge of the control panel to the end caps and control panel shield. Remove the two(2) screws which secure the bottom front corners of the control panel to the end caps. Lift off the control panel. You will now have access to the rear of the timer. You will need a small flatblade screw driver at this point WP21001522 (Picture is for reference) In the rear opening with the "d" shaped insert in it, you will insert the screw driver blade into the opening and pry out on the on the insert 3/8 of an inch, do not over extract the insert, you will them be able to pull the timer knob off the front timer shaft. Reverse the procedure to install the knob. Good Luck and Thanks