No, I have the LA1 (3400v6), not the LD9 (2.4 twin cam), and the Alero came stock with the 4T40E (LD9 from 99 to 01, and the L61, 2.2 ecotec from 02 to 04) or 4T45E (LA1).
I may end up doing the flush myself. Adapted from the videos, I would disconnect the return line from the radiator and run...