THERMOVALVE [SKYACTIV-D 2.2]


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Purpose, Function

•  The thermovalve blocks the engine coolant passages of the oil cooler and the ATF warmer if the engine coolant temperature is low. Engine warming is improved by optimizing the engine coolant passage timing of the oil cooler and the ATF warmer.

Construction

•  The thermovalve is installed on the right front side of the engine.
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•  The thermovalve has the following parts.
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Operation

1.  It the engine coolant temperature is low, the engine coolant circulates without passing through the oil cooler and the ATF warmer because the valve of the thermovalve is closed.

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2.  When the engine coolant temperature reaches 48.5—51.5 °C {120—124 °F}, the valve of the thermovalve starts to open and the engine coolant passed through the oil cooler and the ATF warmer flows to the engine.

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