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How to replace the thermostat in the Toyota Sienna?

Model: Toyota Sienna Xl20 - Years 2004-2010
Part: Thermostat

In this tutorial, we can see how to replace the thermostat in the Toyota Sienna, a simple and quick operation. First of all, make sure the engine is completely cold, then open the hood and remove both the intake duct and the entire air filter box. Then place a large container under the engine, disconnect the indicated tube by unclipping the clip and wait for the liquid inside to drain out. At this point, all that's left to do is to unscrew the bolts of the thermostat housing, remove it, insert the replacement, and reassemble everything. Finally, make sure to refill the lost amount of coolant during the procedure.

Posted on 19 July 2025 by ScegliAuto

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