One problem related to brakes failed has been reported for the 2008 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2008 Toyota Sienna based on all problems reported for the 2008 Sienna.
The contact owns a 2008 Toyota Sienna. She experienced brake failure 5 to 8 times since she owed the vehicle. The failure occurred whenever the brakes were applied while driving approximately 10 mph on uneven pavement. The brakes failed to respond immediately; yet they began to function normally within a few minutes. She will take the vehicle to the dealer to be diagnosed. The failure mileage was 4 and the current mileage was 18,817.