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CVT fluid change ... by how old the fluid is ... or by how many miles driven ... BOTH? Here's a quote from a comment on a site about the class action (topclassactions com) that might be a clue:

The jerking is caused by the steel drive belt in the trans slipping and grabbing as it tears itself apart. As the fluid ages it doesn't have as much gripping power and so allows more slipping. This throws bits of steel all over the system damaging seals and allowing pressure in the hydraulic pistons to drop off and promotes trans failure faster.

MAYBE once out of warranty, or out of the new expected extended warranty after lawsuit conclusion, the owner will need to pay the hundreds of dollars total over time fluid replacement service often as preventative to a CVT replacement to the tune of thousands of dollars once out of warranty,

NET NET what's saved up front purchasing a VERSA (over Toyota, Honda) is later lost on CVT servicing and possible replacement. I plan to service frequently, but will never pay for a replacement, since the replacement will be the same unreliable CVT.
 

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As I understand it with some of the Jatco CVTs used in NIssans is, the problem isn't necessarily fluid maintenance related. The problem is with a pressure control valve that can stick and not regulate pressure properly. This causes belt slack, which increases wear. As the wear materials in the fluid increase, the pressure control valve issue gets worse, causing more slack, more wear, more particles in the oil until the point of failure.

I'm all for CVT fluid changes and have done many in my driveway or garage with mail-ordered OEM fluid for several Nissan make/models, but fresh fluid isn't going to save an effected unit. Supposedly the pressure control valve piston is made of titanium or some more suitable material on later models.

As I've mentioned in other threads, I much prefer the Nissan VQ35 V6 + CVT combo, vs their 4cyl CVT combo. For instance, the Jatco CVT that's in the 2017+ Pathfinders uses a chain as opposed to a belt that's used in the others. Does this make it better? Probably not. Who knows!

The Versa CVT issue is the whole reason I specifically bought our 2015 Versa 1.6S with the old school 4spd automatic. It's not the same as the 2007-2012 4spd, so time will tell. I've done ATF changes on it as well.
 

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Ok, being a dealer tech at a good dealership, I'm super annoyed at a lot of the posts here. They are not all bad. Whe. you call the service dept you talk to a service advisor, the middle man between the customer and the technician. This person's job is customer service and sales. Some of our advisors were technicians before and/or have the experience to be able to speak to these types of calls. The fluid degregation number is like the typical built in oil change light. It's based on drive factors, temperatures, loads. The person you talked to should have asked someone else about your question.

We recommend changing the fluid every 60k. It's the best you can do. I saw a sentra CVT failure at 20k, so you never know.

We replace these things all the time, and many times it's good willed which means we do care and even well out side of warranty, the customer is taken care of.

We only do drain and fills, not flushes. Drain out into a jug with measurements on it and just add to it the same amount that came out. Run the car a bit and do that again.

Sorry for the rant but it's so annoying to read that the stealer is just there to rip you off. I've worked at independent shops and it just depends on the place and the employees. We have VERY knowledgeable techs and it doesn't make any sense to me why someone would go to an indy shop to get a diagnosis done to just spend more money. Most are going to spend more time finding an issue than we would, seeing repeat failures, knowing where to look first, having ridiculously good resources and in some cases access to engineering teams.

Some are bad, not all. Cripes.

Sent from my Moto E (4) Plus using Tapatalk
 

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Ok, being a dealer tech at a good dealership, I'm super annoyed at a lot of the posts here. They are not all bad.
That is a fact.

Between this board and a Pathfinder one I frequent, it's overwhelming the amount of threads on people's dealer experiences and sometimes- their expectations.

I don't use mine for service often, but I've had major out of warranty things goodwilled from them twice. It just took a little bit of persistence and friendly face-face conversation with the service manager.
 
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