2004-2007 Cadillac CTS-V General Discussion Discussion, Blown suspension ??? in Cadillac CTS-V Series Forum - 2004 - 2007; lately on the highway my car feels somewhat unstable on the highway, if the road isnt perfectly flat the car ...
I think the cumulative sum of several parts' gradual wear and tear produces that 'loose' feeling. Tires, shocks, control arms, various bushings, bolt torque settings, springs, endlinks,yada yada...slowly fail..
Low tread/tramlining tires can be an issue, loose failed steering components, tie rod ends, swaybar bushing/loose bracket bolts. In extreme cases, wheel bearings..
What is your mileage? Mine was rock solid at 20k but at 65k it feels completely different. I've decided at this point the only route is systematically replacing the usual suspects until the car feels like it once did.
Assuming everything else is in order, tires and shocks cover 90% of the issues..