We regret the inconvenience you have experienced with this dryer. There is little that could cause a grinding noise in this dryer. If the unit is operating properly, then there should be no cause for concern. However, if you would prefer to do so, you may have a technician inspect the unit. To make service arrangements, you may either contact our Customer Interactive Center at 800-243-0000, or you can check our Repair Provider Lookup on our website, at
http://www.lg.com/us/support/repair....
answered 2 months, 1 week ago