Appendix. Detail repair instruction(Based on gas model)
3. Open the oven door and disassemble the 4 screws under the manifold. After that, disassemble the manifold.
4. Disassemble the black screw on the front of the manifold.
Service Bulletin
Black screw
Product : LG Gas/Elec. Oven
Bulletin # : CVZ201900039-02
Release Date : 2020.03.13