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 Ascent TouringFACTORY OEM SERVICE PROCEDURE
Exhaust Side
- RH SIDE.
- Install the backup ring to the oil control solenoid.
- Using a new O-ring, install the oil control solenoid.NOTE: Apply engine oil to O-ring.
Tightening torque:
6.4 N.m (0.7 kgf-m, 4.7 ft-lb)
- Connect the connector.
- Install the air intake duct. Ref. to INTAKE (INDUCTION) (H4DOTC)>AIR INTAKE DUCT>INSTALLATION .
- Connect the battery ground terminal. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
- LH SIDE.
- Install the backup ring to the oil control solenoid.
- Using a new O-ring, install the oil control solenoid.NOTE: Apply engine oil to O-ring.
Tightening torque:
6.4 N.m (0.7 kgf-m, 4.7 ft-lb)
- Connect the connector.
- Install the reservoir tank. Ref. to COOLING (H4DOTC)>RESERVOIR TANK>INSTALLATION .
- Connect the battery ground terminal. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
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.