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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different car >> Section 19 (Engine Cooling System) >> General Description >> Specification >> Thermostat
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Section 19 (Engine Cooling System): General Description: Specification: Thermostat

WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
Type Wax pellet type
Starting temperature to open °C(°F) Engine side 86 - 90 (187 - 196)
Water tank pipe side 63 - 67 (145 - 153)
Full open temperature °C (°F) Engine side 95 (203)
Water tank pipe side 80 (176)
Valve lift mm (in) Engine side 8.0 (0.315) or more
Water tank pipe side 5.5 (0.217) or more
Valve opening size mm (in) Engine side 32 (1.26)
Water tank pipe side 22 (0.87)