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.
2020 Subaru Forester BaseFACTORY OEM SERVICE PROCEDURE
Oil Pump Chain: Installation
- Install a new oil seal using ST.NOTE: Apply CVTF to the press-fitting area.
Preparation tool:
ST: HOUSING BUSHING INSTALLER AND REMOVER (927720000)
- Install the drive sprocket.
- Install the snap ring.NOTE: Install the snap ring so that its cutout portion is fitted into the snap ring groove of the oil pump chain cover and within the fitting area (A).
- Place the oil pump chain on drive sprocket.
- Place the oil pump chain on driven sprocket and install the driven sprocket to oil pump chain cover.
- Install a new seal ring.NOTE: Apply CVTF to the seal rings.
- Apply liquid gasket to the mating surface of the oil pump chain cover as shown in the figure, and temporarily install the oil pump chain cover.CAUTION: Do not apply liquid gasket at the arrowed hole.
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.