Toyota Sienna LE 2006 with 72000miles automatic broke down on the highway --- refusing to go beyond 35miles an hour and check engine light came on. The Toyota dealer claimed that the transmission had to be replaced at a cost of about 5500 + and diagnosed only transmission problem. To get a second opinion, we got the vehicle towed to AAMCO, the transmission experts. AAMCO replaced Valve body, Torque converter, and their standard Banner Kit + transmission cooling system flush and clean. AAMCO asked us to be soft on the... read full review »