David H North Canton , OH November 27, 2023 Appliance: Whirlpool Gas Range WFG540H0AS1 Whirlpool Range Wfg540h0as1: Old knobs were cracked and peeling. They were loose fitting and would fall off. How to replace Range Control Knob. Purchased new knobs. They look great and fit tightly. No more falling into my food! Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes