Bruce B Silvis , IL March 14, 2018 Appliance: Model WBB TOP LOAD GE WASHER Timer knob wouldn't work Replaced with a new one, that had better teeth to engage the selector. I had to use a small screwdriver to release a small retainer clip, and then needlenose pliers to push it back on the new one. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes