Join Date: Oct 2012
Location: Clarence, NY- Buffalo suburbs
Mine does that too, AC loads the engine more so more vibrations. I have transmission mounts that do it though. Has to be the mounts somewhere, jack it up and look at all of them it'll be easy to see if they're broken.
2009 Cobalt LS XFE (F23) Victory Red
YYZ V.3 Springs, Koni shocks/struts, Powell XXX rear swaybar, Brembo brake swap, 5 lug conversion, Ion Redline wheels, SS/SC interior swap including power conversion, K&N intake, Trifecta tune, Ark Performance N-II catback, Ark shorty antenna, SS body kit, Powell F23 rotated mount, LNF rear mount, Powell CABs
Soon to come- EFR 6758 turbo kit and make Retro Headlights.