One problem related to brake disc caliper has been reported for the 2011 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2011 Toyota Sienna based on all problems reported for the 2011 Sienna.
The contact owns a 2011 Toyota Sienna. While driving approximately 10 mph and coming to a stop, the contact heard a loud banging noise in the rear of the vehicle. The contact stated the failure occurred at different speeds and more frequently when driving on the highway. While driving at highway speeds the vehicle began to shake violently. The vehicle was taken to the dealer where the technicians were unable to determine the failure. The technicians suggested the rear brakes, rotors, and calipers be replaced. After the repairs were performed the rear passenger side tire locked twice. The vehicle was taken back to the dealer where the technicians stated the vehicle showed extensive wear and over heating of the parking brake due to driving while the parking brake was engaged. The contact stated the parking brake was not engaged while driving and the overheating only occurred to the rear passenger side brakes. The vehicle was not repaired. The approximate failure mileage was 10,000.