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Home >> Subaru >> 2021 >> WRX Base >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 11 (Engine Cooling System (2.5L)) >> Thermostat >> Removal

Section 11 (Engine Cooling System (2.5L)): Thermostat: Removal

WARNING: This page is about a different variant/trim than selected.
  1. Drain engine coolant. Refer to COOLING(STI)>ENGINE COOLANT>REPLACEMENT>DRAINING OF ENGINE COOLANT .
  2. Disconnect the radiator outlet hose from thermostat cover.
    G08539497Courtesy of SUBARU OF AMERICA, INC.
  3. Remove the thermostat cover, and then remove the gasket and thermostat.
G13640801Courtesy of SUBARU OF AMERICA, INC.