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Subaru
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2008
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Tribeca F6-3.6L DOHC
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Repair and Diagnosis
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Engine, Cooling and Exhaust
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Cooling System
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Description and Operation
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Thermostat
Thermostat
Thermostat
The thermostat has a totally enclosed wax pellet, which expands as the coolant temperature increases. It opens and closes accurately at the preset temperatures and features high durability.