Originally Posted by IMPALA08
I have a 2015 Forester the CVT had what dealership called catastrophic failure. 54000 miles . Rebuilt transmission under warranty. The car was driven like an old lady or man but i was coming back from a long hwy trip with lots of big hill. The car was hitting some high rpm. The car is running great now. Looking back at 30k I did a drain and fill with Castrol CVT fluid, that might have caused problem.....don't know.
The CVT in my FXT started throwing codes and needed substantial work at 80kmiles, so I was very happy that Subaru had extended the warranty coverage for it from 60k to 100k. I had a dealer do a 60kmile service and hassled them about the special fluid my high torque CVT (2.5l Foresters have a different unit) needed and they swore that they knew what they were doing. I took it back to this dealer for the warranty work and forgot to ask them about the CVT fluid when I picked it up, so I called them back later that day. The SA was annoyed with me and said the fluid that went in was as green as the fluid that came out, and I said that was really odd because the high torque CVT fluid was orange. He blew me off and I started to panic...15 minutes later, the mechanic himself called me back and said I needed to bring my car back in ASAP. The SA must have started telling the mechanic what a PITA moron I was and then the latter realized that they had blown it (twice).
So, my car got the wrong CVT fluid at 60k, failed at 80k, and then initially got the wrong fluid again after the repair (can't remember the details but I believe it was some kind of clutch???).
I sure can't prove that the improper fluid led to the CVT damage, but that is definitely my suspicion.
But, as mentioned before, there is a reason Subaru extended the CVT warranty coverage to 100k, and it wasn't generosity.
We are all in with 3 Subaru CVT's in the family now, so I am hoping for the best. These vehicles just make a lot of sense for us given our weather and the steep hills we have to deal with.