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.
2022 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE
High-Pressure Fuel Pump
- Install the fuel pump lifter to the high-pressure fuel pump case.NOTE:
- Apply engine oil to the side of the high-pressure fuel pump case and to the bottom surface of the fuel pump lifter.
- After installing the fuel pump lifter, rotate the crankshaft in order to set the fuel pump lifter comes to the lowest position.
- Set a new O-ring, using TORX PLUS® 40IP, install the high-pressure fuel pump.
Tightening torque:Â
121 N.m (2.1 kgf-m, 15.5 ft-lb)
- Connect the connector (A) to the high-pressure fuel pump.
- Install the high-pressure fuel delivery pipe. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>High Pressure Fuel Delivery Pipe>INSTALLATION>HIGH-PRESSURE FUEL DELIVERY PIPEÂ .
- Connect the ground terminal to battery sensor. 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.