Engine And Engine Cooling Related Problems of the 2004 Toyota Sienna

Table 1 shows 16 common engine and engine cooling related problems of the 2004 Toyota Sienna. The number one most common problem is related to the engine and engine cooling (13 problems). The second most common problem is related to the radiator (ten problems).


Recently reported Engine And Engine Cooling problems of the 2004 Toyota Sienna

The Engine And Engine Cooling problem

Unknown   Read details...

The Radiator problem

Radiator failure resulting in coolant leakage in the transmission fluid and transmission is failing. I noticed my 2004 Toyota Sienna had some belt noise that got worse. The van was due for a water pump/timing belt change.   Read details...

The Engine Cooling System problem

Radiator leak, continuous problem. Could cause catastrophic engine failure. Toyota will not address repair.   Read details...


Engine And Engine Cooling related problems in other Toyota Sienna model year vehicles:



Sienna Service Bulletins
Sienna Safety Recalls
Sienna Defect Investigations