NEW YORK - General Motors LLC (New GM) filed two motions in the U.S. Bankruptcy Court for the Southern District of New York on Aug. 1 seeking to invoke the bankruptcy shield against suits alleging injuries suffered in accidents that occurred before its purchase of the assets of the bankrupt General Motors Corp. (Old GM) and economic losses related to vehicles or auto parts manufactured by Old GM (In re : Chapter 11 Motors Liquidation Co., et al., f/k/a General Motors Corp., et al., No. 09-50026, S.D. N.Y. Bkcy.).