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Home >> Subaru >> 2018 >> WRX STI >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System (STI) >> Coolant Filler Tank >> Removal

Coolant Filler Tank: Removal

CAUTION: The coolant filler tank is pressurized when the engine and radiator are hot. Wait until engine and radiator cool down before working on the coolant filler tank.
  1. Drain approximately 3.0 L (3.2 US qt, 2.6 Imp qt) of coolant. Ref. to COOLING(STI)>Engine Coolant>REPLACEMENT>DRAINING OF ENGINE COOLANT .
  2. Disconnect the engine coolant hoses from coolant filler tank.
  3. Remove the bolt and nut which secure the coolant filler tank.
  4. Remove the coolant filler tank.
    G10265592