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USDM Swap: To ensure 100% plug-and-play compatibility with your vehicle's ECU and TCM, you must transfer your original USDM transmission wiring harness and any external sensors from your old unit to this JDM replacement.
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TCM Relearn: After installation, a "CVT Learning" procedure is required using a professional diagnostic tool (such as Subaru Select Monitor or a high-end scan tool) to calibrate the new transmission to your vehicle's computer.
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Fluid Requirement: Use only genuine Subaru CVTF-II (Green) fluid. Using standard automatic transmission fluid (ATF) or incorrect CVT fluid will cause immediate internal damage to the chain and pulleys.
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Maintenance: It is highly recommended to replace the torque converter seal, axle seals, and the CVT oil cooler O-rings while the transmission is out of the vehicle to prevent future leaks.