I have a Kenmore 795.72183.315 (LG) french door bottom freezer refrigerator that the air filter (odor) fan is not running. I removed the filter cover, screws from led light and fan assembly. The wires are too short to pull the assembly out. how do I get it out? Do I need to remove the interior walls? If so, how do I remove them? I can't find the fan on any of the parts websites - even Sears. It is a small square axial fan. Anyone have any info on this fan or how to remove it?