One problem related to tire bead has been reported for the 2009 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2009 Toyota Sienna based on all problems reported for the 2009 Sienna.
The beads on cooper cs 5 tires are bulging on the side walls causing blow outs at highway speeds. Numerous complaints on internet regarding this issue. The local cooper tire dealer and cooper manufacturer are denying these issues. They both state it is the way the shop is mounting and balancing the tires. If that was the case, we would have issues with goodyear, firestone, bf goodrich, continental, etc tires. The cooper manufacturer is trying to say that the cooper cs 5 tires are sensitive. As stated shops from kansas, florida, new york, etc are complaining of the same issue.