THERMOSTAT [SKYACTIV-G 2.0, SKYACTIV-G 2.5]

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Purpose, Function

• When the engine coolant temperature is low, the thermostat blocks the engine coolant passage between the radiator and engine. As a result, because engine coolant cycles without passing through the radiator, warming is promoted.

Construction

• The thermostat is installed to the rear part of the cylinder head.

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• The thermostat has the following parts:

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Operation

1. When the engine coolant temperature is low, the thermostat valve closes and engine coolant circulates without passing through the radiator.

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2. When the engine coolant temperature reaches one of the following temperature ranges, the thermostat valve starts to open and the engine coolant passed through the radiator flows to the engine.

• Type A : 80.5—83.5°C {177—182°F}

• Type B : 86.5—89.5°C {188—193°F}

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