Using pliers or any other useful tool, gently pry it up from around its base. Lay your broken stove knob shaft on a flat surface. Step-Wise Guide on How to Fix a Broken Stove Knob Shaft Step 1: Take the Knob Off If you have any of these kinds of problems, this article should provide some useful tips for fixing them all by yourself without calling an expensive maintenance specialist. You may have accidentally hit it against the countertop or any other solid surface, causing damage which may include breaking the shaft off completely, bending it crookedly, making it hard to turn, twisting sideways, breaking unevenly, and also stripping off with just one click. This article will help you find out how to fix a broken Stove Knob Shaft. It is one of the main parts of controlling the temperature and burners on your gas ranges or stovetops. A stove knob shaft is a screw-like turning part of the stove that can be turned from outside.