A common problem with these is the sway bar bushings. I suggest replacement with a urethane model for longevity, preferably one with a grease nipple to keep it from squeaking once the initial grease is worn away.
Currently: 2015 Traverse LT AWD in Blue Velvet Metallic with Black Interior & Dash. 20" wheels with Yokohama G055s. Dual Zone Air with Heated Seats. Bose Stereo (lame, will improve) with Rear Entertainment System. Aftermarket Hitch. OEM Roof Crossbars coming.
Previously: 2008 Outlook XE FWD in Midnight/Tan. Dual Air/Premium Stereo w/ Polk & Pioneer Speakers, Roof Rails, Aftermarket Hitch/Wiring. 239K miles -- 85% Highway.