Kevin M Azle , TX November 15, 2014 Air damper was making a very loud grinding type of sound like stirring ice cubes in the ice bin The repair was simple. Pull off the plastic vent cover, take out two screws, pull off the foam insulation, unsnap the unit, unplug the wires, the reverse the procedure. It took five minutes. 17 People found this story helpful Do-It-Yourself Rating: Repair Time Estimate: Less than 15 minutes