One problem related to tailgate hinge 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.
Tailgate will not stay in the upright position. As soon as the tailgate is lifted, the gate slams shut. If someone were underneath the gate, it would cause serious injury or even death. This is the second Toyota Sienna that we have had this problem.