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.
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HOMESERVICE MANUALSSUBARU2010IMPREZA 2.5I, 4D SEDAN, AUTOMATICREPAIR AND DIAGNOSISGENERAL INFORMATIONHOIST/JACKGENERAL INFORMATION -- (EXCEPT STI)PERODIC MAINTENANCE SERVICESSPARK PLUGREPLACEMENTDOHC MODEL LH
2010 Subaru Impreza 2.5i, 4D Sedan, Automatic
DOHC Model LH
2010 Subaru Impreza 2.5i, 4D Sedan, AutomaticSECTION DOHC Model LH
- Remove the battery and battery carrier.
- Disconnect the air duct from the secondary air pump.
- Remove the bolts attaching the air duct to the rocker cover (LH) and raise the air duct.
- Disconnect the connector from ignition coil.
- Remove the ignition coil.NOTE: Turn #4 ignition coil by 180 degrees to remove it.
RENDER: 1.0x
NO RELATED
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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.