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
Control Valve Body: Removal
NOTE:
The control valve body is a non-disassembly part.
- Disconnect the ground terminal from battery sensor. Ref. to REPAIR CONTENTS>NOTE>BATTERY .
- Remove the oil pan and oil strainer. Ref. to CONTINUOUSLY VARIABLE TRANSMISSION (TR690)>OIL PAN>REMOVAL .
- Disconnect the connector.
- Remove the control valve body.CAUTION:
- Do not remove any bolts other than specified in the figure.
- Be careful not to let the manual valve drop off.
- Remove the pressure pipe No. 1, pressure pipe No. 2 and pressure pipe No. 3.NOTE: It may remain in the transmission case side.
- Remove the O-rings from the pressure pipe No. 1, pressure pipe No. 2 and pressure pipe No. 3.
- Remove the filter from the transmission case.NOTE: Perform this procedure only when required.
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.