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
Engine Starting System & Charging System (2.0L): Generator: Removal
- Remove the collector cover. Refer to INTAKE (INDUCTION) (W/O STI)>COLLECTOR COVER>REMOVAL .
- Disconnect the ground terminal from battery sensor. Refer to NOTE>NOTE>BATTERY .
- Remove the brake vacuum pump. Refer to BRAKE>BRAKE VACUUM PUMP>REMOVAL .
- Remove the V-belts. Refer to MECHANICAL(W/O STI)>V-BELT>REMOVAL>V-BELT .
- Remove the collector cover bracket.
- Disconnect the connector (A) and terminal (B) from the generator.
- Remove the generator from the generator bracket.
- Remove the V-belt tensioner assembly. Refer to MECHANICAL(W/O STI)>V-BELT>REMOVAL>V-BELT TENSIONER ASSY .
- Remove the generator bracket from the engine.
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.