31825AA055 Subaru BODY AY-CONT VLV KIT, Price: 1005.59$, Weight: 2.477kg

Subaru Automatic Transmission Control Valve Kit

This assembly restores precise hydraulic control in Subaru automatic/CVT gearboxes. It manages ATF flow and pressure to clutches, pulleys, and lock‑up, delivering smooth take‑off and confident shifts. Built to OE standards, it’s the go‑to fix when the gearbox feels rough, lazy, or goes into limp mode.

Why you need this part ✅

Worn bores, sticky valves, or tired solenoids cause harsh shifts, delay when selecting D or R, flare between ratios, shudder at low speed, and fault codes (often P07xx). Replacing the control block and gaskets restores pressure integrity and protects the whole unit.

How it works ⚙️

An alloy body channels ATF through a separator plate and check valves. PWM solenoids modulate line, shift, and lock‑up pressure under TCM commands from speed, temp, and throttle data. The result: stable oil pressure, smooth ratio changes, and correct clutch apply.

What happens if it fails ⚠️

Low or erratic pressure leads to belt/chain slip in CVT, burnt clutch packs, overheating, metal debris, and high fuel use. You may get banging shifts, no drive, or a single emergency gear. Continued driving risks pump and converter damage.

Tech tips ️

• Use the correct Subaru‑spec ATF and replace the filter.
• Clean mating surfaces; torque fasteners in a cross pattern.
• Perform TCM relearn/adaptation after install and clear codes.