Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2021 Subaru WRX BaseFACTORY OEM SERVICE PROCEDURE
Section 19 (Engine Cooling System): Radiator: Disassembly
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.
- Remove the radiator main fan and fan motor. Ref. to COOLING (H4DOTC)>RADIATOR MAIN FAN AND FAN MOTOR>REMOVAL .
- Remove the radiator sub fan and fan motor. Ref. to COOLING (H4DOTC)>RADIATOR SUB FAN AND FAN MOTOR>REMOVAL .
- Remove the over flow hose (A) and radiator inlet hose (B).
- Peel off the radiator upper gasket (A), radiator lower gasket (B), radiator side gasket RH (C), and radiator side gasket LH (D).NOTE:
This procedure is required only when the radiator upper gasket, radiator lower gasket, radiator side gasket RH, and radiator side gasket LH are to be replaced.
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.