A low-speed vibration or 'rumble strip' sensation during acceleration and decelaration caused by improper lock-up clutch engagement in the Lineartronic CVT.
Reviewed by SubaruReview Editorial Team · Last reviewed 2026-05-15 · Editorial standards
How this problem ranks against the other documented Legacy failures — cost, severity, and DIY difficulty at a glance.
| Problem | Years | Severity | Repair cost | DIY |
|---|---|---|---|---|
| Subaru Legacy CVT Torque Converter Shudder & Stalling (this page) | 2015-2022 | Major | $850–$2,600 | 4/5 |
| CVT Valve Body Failure | 2010-2018 | Major | $1,800–$3,500 | 2/5 |
| Subaru Legacy AC Compressor Failure & Clutch Issues | 2010-2019 | Major | $850–$1,400 | 4/5 |
| Legacy CVT Judder | 2014-2019 | Major | $250–$4,500 | 3/5 |
This is one of several documented Legacy problems we track, and it fits inside the broader Transmission & AWD guide. If you're weighing repair against replacement, cross-check the Subaru repair-cost database and any open NHTSA recalls on your VIN before booking a shop.
Drivers experience a rhythmic shuddering or vibration, most noticeable when the transmission is warm. This occurs because the torque converter’s lock-up clutch is failing to engage or disengage smoothly. In severe cases, the clutch remains engaged as the vehicle stops, causing the engine to stall exactly like a manual transmission car stopping without pressing the clutch pedal.
Premature wear of the internal lock-up clutch material or a malfunctioning TCC solenoid within the valve body preventing smooth engagement of the torque converter lock-up.
Premature wear of the internal lock-up clutch material or a malfunctioning TCC solenoid within the valve body preventing smooth engagement of the torque converter lock-up.
National average $850–$2,600. Valve body replacement typically costs $850-$1,200. Full torque converter replacement requires transmission removal and costs $1,800-$2,600. Prices include labor and fluids.
Difficulty 4/5. Replacement of the Torque Converter and/or the CVT Valve Body assembly, followed by a TCM (Transmission Control Module) re-learn.
Vibration or shuddering when accelerating between 15-30 MPH.; Feeling of 'driving over rumble strips' when coming to a stop.; Engine stalling or near-stalling when coming to a quick stop.; Hesitation or 'hunting' for RPMs while maintaining steady highway speeds.; AT OIL TEMP light flashing in conjunction with P0700 and P2767 codes.
Owners typically pay $850–$2,600 at an independent Subaru shop, parts and labor included. Our Subaru CVT Replacement Cost guide breaks the job down by parts, labor hours, and where the money actually goes.
The same generation also sees CVT Valve Body Failure and Subaru Legacy AC Compressor Failure & Clutch Issues. Both are documented with symptoms, cost, and a permanent-fix walkthrough — see the full list in the Legacy hub.
Cross-check NHTSA campaign 16V-643, which covers Lineartronic CVT Chain Failure on 2010-2018 Outback/Legacy/Forester. Recall work is free at any Subaru dealer — always run your VIN before paying for the fix.
We rate it 4/5 on our DIY scale. Most owners come out ahead with an independent Subaru shop; read labor-hour benchmarks in the repair-costs hub before you commit tools and a weekend.
It's part of our Transmission & AWD cluster, which collects every article covering the same system as this failure.
CVT, 5MT, 6MT, and AWD failure timelines — the drivetrain context this failure lives in.
How ATS, VTD, DCCD, and continuous AWD split torque — required background for any driveline diagnosis.
Open NHTSA campaign covering the same component as this failure — always VIN-check before paying out of pocket.
Dig into the Problems Database to plan your next maintenance sprint, or browse every model hub for buyer's guides, generation breakdowns, and known-issue lists.