One problem related to brake drum wheel cylinder has been reported for the 2000 Toyota Sienna. The most recently reported issues are listed below. Please also check out the statistics and reliability analysis of the 2000 Toyota Sienna based on all problems reported for the 2000 Sienna.
The brake light came on. Both rear brake cylinders were leaking. As a result, it caused damage to front brakes. All the parts were replaced.