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.
2024 Subaru Ascent BaseFACTORY OEM SERVICE PROCEDURE
Transmission Case: Assembly
- Press-fit a new ball bearing using ST1, ST2 and a press.NOTE: Apply CVTF to the press-fitting area.
Preparation tool:
ST1: INSTALLER (398177700)
ST2: INSTALLER (20099AE020)
- Press-fit a new roller bearing using ST1, ST2 and a press.NOTE: Apply CVTF to the press-fitting area.
Preparation tool:
ST1: INSTALLER (20099AE020)
ST2: PRESS SNAP RING (499755602)
- Install a new snap ring.
- Set the spacer.
- Using the ST and a press, press-fit a new roller bearing.CAUTION: Be careful not to allow the transmission case to be tilted.
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.