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 MANUALSHONDA2008CIVIC SI, 4D SEDANREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 3 (INTAKE AIR SYSTEM (R18A1 ENGINE))AIR CLEANER ELEMENT INSPECTION/REPLACEMENT
2008 Honda Civic Si, 4D Sedan
Air Cleaner Element Inspection/Replacement
2008 Honda Civic Si, 4D SedanSECTION Air Cleaner Element Inspection/Replacement
WARNING: This page is about a different variant/trim than selected.
- Open the air cleaner housing cover (A).
- Remove the air cleaner element (B) from the air cleaner housing (C).
- Check the air cleaner element for damage or clogging. If there is damage or clogging, replace the air cleaner element.NOTE: Do not use compressed air to clean the air cleaner element.
- Install the parts in the reverse order of removal.
- Install the parts in the reverse order of removal.
- If you did not replace the air cleaner element, this procedure is complete.
- If the maintenance minder required air cleaner element replacement, reset the maintenance minder.
- If the idle speed fluctuates, do the idle speed inspection.
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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.