Table 1 shows nine common power train related problems of the 2007 Toyota Sienna. The number one most common problem is related to the power train (13 problems). The second most common problem is related to the automatic transmission (six problems).
As a result of the transmission cooler being a part of the radiator system, the transmission cooler ruptured while driving causing immediate loss of power and the engine to overheat. This malfunction also caused coolant and transmission oil to contaminate the engine compartment as well as the Read details...
The transmission was doing what felt like "neutral drops" at low speeds, where I would shift into drive, get the "clunk" that I normally associate with the transmission dropping into first, then depress the gas slightly to start moving. Read details...
Tl the contact owns a 2007 Toyota Sienna. While driving at an unknown speed, the vehicle began to jerk and the transmission hesitated. The vehicle was taken to an independent mechanic where it was diagnosed that the transmission failed. The dealer was not contacted. The vehicle was not repaired. Read details...