Many owners have complained about issues in the front brake calipers and front brakes, warping problems, and premature wear in the front brake rotor and brake master cylinder. Fourth generation 4Runners are notorious for brake problems, especially the 2003-2005 model years.
A Toyota 4Runner Could Last You 300,000 Miles Although a Toyota 4Runner that can reach 200,000 miles on its odometer is very impressive, some drivers want more.