General Motors Co. is again trying to use “old” GM’s Chapter 11 case to protect itself from lawsuits related to an ignition-switch defect, this time the suits filed by drivers who got into accidents before the 2009 bankruptcy court sale.

In a Friday filing with U.S. Bankruptcy Court in Manhattan, lawyers for GM said the wording of the sale order approved by the court places lawsuit liability with the old version of GM, not…