Carolyn T Smyrna , TN March 28, 2022 Appliance: Model AP3995088 The timer knob was stripped and wouldn't turn. I pulled off the old timer knob and pushed on the new knob. Now the dryer will work. Thank you for your speedy delivery. I will continue to purchase products from your website that is very informative. Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes