TECHNICAL SERVICE BULLETIN: SERVICE ACTION: SUB FRAME REPLACEMENT (SA323) - This bulletin has been revised to include additional information. New/revised sections of this bulletin are indicated by a black bar in the margin area. This bulletin provides the procedure to replace the sub frame on some 2018MY Forte (YD), produced from August 31, 2017 through September 4, 2017, and some 2018MY Forte (YDm) vehicles, produced from October 10, 2017 through October 23, 2017, which may experience a squeak noise at the sub frame area when driving.
