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 MANUALSSUBARU2008FORESTER F4-2.5L DOHC TURBOREPAIR AND DIAGNOSISENGINE, COOLING AND EXHAUSTENGINETUNE-UP AND ENGINE PERFORMANCE CHECKSAIR CLEANER HOUSINGSERVICE AND REPAIR
2008 Subaru Forester F4-2.5L DOHC Turbo
Air Cleaner Housing: Service and Repair
2008 Subaru Forester F4-2.5L DOHC TurboSECTION Service and Repair
Air Cleaner Case
REMOVAL
1. Disconnect the ground cable from the battery.
2. Disconnect the connector from mass air flow and intake air temperature sensor.
3. Loosen the clamps (A) which connect the air intake boot and the intake duct.
4. Remove the clip (B) from air cleaner upper cover.
5. Remove the air cleaner upper cover.
6. Remove the air cleaner element.
7. Remove the air cleaner lower case.
INSTALLATION
Install in the reverse order of removal.
NOTE: Before installing the air cleaner upper cover, align the protrusion with the hole of air cleaner lower case, and then secure the upper cover and lower case.
REMOVAL
1. Disconnect the ground cable from the battery.
2. Disconnect the connector from mass air flow and intake air temperature sensor.
3. Loosen the clamps (A) which connect the air intake boot and the intake duct.
4. Remove the clip (B) from air cleaner upper cover.
5. Remove the air cleaner upper cover.
6. Remove the air cleaner element.
7. Remove the air cleaner lower case.
INSTALLATION
Install in the reverse order of removal.
NOTE: Before installing the air cleaner upper cover, align the protrusion with the hole of air cleaner lower case, and then secure the upper cover and lower case.
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.