A lawsuit says 2005-2011 4Runners weren’t properly treated to protect against corrosion.
In May 2018, the plaintiff was driving his car on the highway when the steering wheel allegedly started vibrating so violently the 4Runner went off the road. A mechanic said the right front control arm fractured because of excessive corrosion and rust. Toyota may deny knowing about rust problems in court, but that argument should crumble even faster than their frames.
In 2016 the automaker settled a massive corrosion lawsuit for similar model years of the Tacoma, Tundra, and Sequoia vehicles. That was the same year as a recall for 690,000 trucks with corroding rear suspension leaf springs.keep reading article "Did 4Runner Frames Not Receive Enough Anti-Rust Treatment?"