Jarrett P Crane Hill , AL November 03, 2017 Appliance: General Electric General Electric GTDP280ED0WW Ge Dryer Gtdp280ed0ww / : Timer issues: dryer would not set to correct time and knob was cracked. How to replace Knob Clip. Purchased new timer and knob. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes