Joao T Tulare , CA October 18, 2015 Appliance: Frigidaire Frigidaire/Gas Dryer GLGR341AS4 Frigidaire Dryer Glgr341as4: Broken felt and glide dust bunnies everywhere 10 years of use!. How to replace Insulation. I DID THE BEST I COULD to remove the old parts and prep for the new parts. The Videos were a big help. Maintenance kit came with instructions. I should get many more years of use! Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours