10/30/2026
Check engine. ABS. Traction control. Hill assist. EyeSight disabled. The owner of this 2015 Outback said the dash lit up like a Christmas tree.
At 149,000 miles, it had never had a CVT fluid exchange. The valve body failed and set warning codes, but the car stayed on the road. A bad valve body causes slipping clutches, pressure loss and erratic shifting, and all of that builds heat inside the CVT. What could have been a fairly simple valve body replacement turned into a full transmission replacement.
CVT fluid breaks down over time from the heat, pressure and friction inside the gearbox. That’s why servicing it matters.
If a warning light comes on, don’t wait it out. Not sure when your CVT fluid was last changed? Call (406) 540-8521 and we’ll take a look.