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.
2023 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE
Transmission Case: Installation
- Check the projection (A) of the knock pins.NOTE: When attached on the transmission case side, install on the converter case side.
Specification:
8.5 - 9.5 mm (0.33 - 0.37 in)
- Install new O-rings to the application pressure pipe (A), release pressure pipe (B) and lubrication pipe (C).NOTE:
- Apply CVTF to the O-rings.
- Make sure that the lubrication pipe (C) is installed vertically.
- Set the application pressure pipe.NOTE: Set so that the application pressure pipe is positioned vertically.
- Apply liquid gasket to the mating surface of the converter case as shown in the figure, and temporarily install the transmission case.CAUTION: Install each pipe while confirming that its location is correct.
Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Disclosure: Verified tool recommendations may earn an affiliate commission at no cost to you.
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.