Ralph D Jamaica , NY March 02, 2019 Appliance: LG Gas Range LDG3036ST Lg Range Ldg3036st / 01: The burner knobs on my LG were delaminating. How to replace Gas Range Burner Control Knob. I went on line and purchased brand new knobs from AppliancePartsPros.com Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes