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 BaseFACTORY OEM SERVICE PROCEDURE
High-Pressure Fuel Pump Case
- Apply liquid gasket to the mating surfaces of fuel pump case, and install the high-pressure fuel pump case.NOTE:
- Before applying liquid gasket, degrease the old liquid gasket seal surface of the high-pressure fuel pump case and the cam carrier assembly LH.
- Install within 5 min. after applying liquid gasket.
Liquid gasket:
THREE BOND 1217G (Part No. K0877Y0100), THREE BOND 1217H or equivalent
Liquid gasket applying diameter:
3.5±1 mm (0.1181±0.0394 in)
- Install the high-pressure fuel pump case to the cam carrier assembly LH.
Tightening torque:
19 N.m (1.9 kgf-m, 14.0 ft-lb)
- Install the high-pressure fuel pump. Ref. to FUEL INJECTION (FUEL SYSTEMS) (H4DOTC)>HIGH PRESSURE FUEL PUMP>INSTALLATION>HIGH-PRESSURE FUEL PUMP .
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.