There’s enough corrosion forming on the subframes of the 2009-2010 Mazda6 to separate lower control arms and cause steering rack mounting bolts to fail.
The best case scenario is your alignment feels off and the steering pulls harshly to one side. Given enough time, you’ll loose all steering ability entirely.…
keep reading article "The Mazda6 Has Enough Rust to Sheer Off Critical Steering Components"