John W Indian Shores , FL February 05, 2024 Appliance: General Electric Electric Range JB645DK4WW Ge Range Jb645dk4ww: Broken inner glass. How to replace Window Pack Asm. Replaced with window pack assy. Very easy & no issues. It took longer to clean the door than the nstall. Without cleaning the door the total time would have been less than 30 minutes, with cleaning maybe an hour (including putting away tools) Do-It-Yourself Rating: Repair Time Estimate: 15-30 minutes