Mike L Greenbrier , TN January 30, 2017 Appliance: General Electric Electric Dryer DX2300EB0WW Ge Dryer Dx2300eb0ww: Rear drum bearing went out. How to replace Idler Pulley. Simple fix replaced the rear bearing and did a little preventive maintenance and replaced the drum belt, bearing slides and the idler pulley. In all the project took about 1 1/2- 2 hours and dryer runs like new. Do-It-Yourself Rating: Repair Time Estimate: 1-2 hours