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

Oil Pump: Installation

Install new O-rings and a new back-up ring.

Courtesy of SUBARU OF AMERICA, INC.
Set the oil pump.
CAUTION:
- Align the protrusion of oil pump with the oil pump positioning groove.
- Push in the oil pump to the vicinity of the circlip groove without using any tools.
- Be careful not to damage the O-rings and back-up ring.

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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.