Shudder during light acceleration from 25-45 mph, often after fluid degrades.
Reviewed by SubaruReview Editorial Team · Last reviewed 2026-05-15 · Editorial standards
This is one of several documented Forester 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.
Shudder during light acceleration from 25-45 mph, often after fluid degrades.
Worn lockup clutch and degraded CVT fluid (Subaru High Torque CVTF-II).
Worn lockup clutch and degraded CVT fluid (Subaru High Torque CVTF-II).
National average $350–$6,000.
Difficulty 3/5. Full CVT fluid exchange (3x drain & fill); valve body or transmission replacement if severe.
Vibration in steady cruise; Hesitation on takeoff; Whine under load
Owners typically pay $350–$6,000 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.
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 3/5 on our DIY scale. Confident wrenchers can tackle it in a weekend using the permanent-fix steps above. Cross-reference the reliability & common problems hub for related jobs worth bundling while you're in there.
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.