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 Outback BaseFACTORY OEM SERVICE PROCEDURE
Chain Cover: Disassembly
- Remove the oil filler cap.
- Remove the engine oil filter and the oil pump union. Ref. to LUBRICATION (H4DO)>OIL FILTER>REMOVAL .
- Remove the oil pressure switch. Ref. to LUBRICATION (H4DO)>OIL PRESSURE SWITCH>REMOVAL .
- Remove the engine oil temperature sensor. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>ENGINE OIL TEMPERATURE SENSOR>REMOVAL .
- Remove the oil control solenoid. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>OIL CONTROL SOLENOID>REMOVAL .
- Remove the camshaft position sensor. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DO)>CAMSHAFT POSITION SENSOR>REMOVAL .
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.