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 Control Device: Removal
- Remove the parking pawl. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>PARKING PAWL>REMOVAL .
- Remove the inhibitor switch. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>INHIBITOR SWITCH>REMOVAL .
- Remove the oil pan. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>OIL PAN>REMOVAL .
- Remove the spring pin.NOTE: Be careful not to drop the spring pin in the transmission.
- Remove the detent spring.
- Remove the shifter arm shaft.
- Remove the manual plate (A) and parking rod (B) as a single unit.
- Remove the parking rod from the manual plate.
- Remove the oil seal using a flat tip screwdriver wrapped with protection tape.
Factory Service Tools
Use the Manual With the Right Hardware
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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.