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.
2017 Subaru WRX STIFACTORY OEM SERVICE PROCEDURE
LH Side
- Remove the battery. <Ref. to REMOVAL , Battery.>
- Remove the secondary air pump. <Ref. to REMOVAL , Secondary Air Pump.>
- Remove the bolts that secure the air duct to the rocker cover LH, and lift the air duct.
- Disconnect the connector from ignition coil.CAUTION: Be careful not to damage the claw (a) of the connector.
Factory Service Tools
Use the Manual With the Right Hardware
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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.