![]() There are literally millions of them on the road in this country alone. There isn't, in spite of the fact most all of the compacts from the biggest manufacturers all use them, and have for years. There are simply far too many of them out there, that if there was any type of serious reliability issues with them, it would have surfaced by now. I'm starting to believe a large amount of complaints about CVT Transmissions have nothing to do with reliability. If we can be of further assistance, please feel free to contact us. Your email has been documented at our National Headquarters. However, the transmission should be inspected every 30,000 miles (or 36 months) for any leaks. We appreciate the opportunity to address your inquiry regarding proper maintenance of your 2015 Toyota Corolla.Īccording to the Warranty and Maintenance Guide ( click here to view), there is no specific interval to change the transmission fluid. Thank you for taking time to contact Toyota Motor Sales, U.S.A., Inc. Change it before60k at around 50k or so and see how it is. I wouldn't wait to get the fluid changed until 60k if you haven't purchased extended warranty. I will make sure to try to change the fluid at around 55k before my warranty is up and give it some time to drive with the new fluid to make sure nothing's wrong before I'm passed warranty. They've came back with the same answer, check fluid level/leaks every 30k but other than that fluid is lifetime. I even wrote Toyota corp directly and requested to speak with an engineer regarding this query. The only unknown as Jolly mentioned is fluid drain/fill interval which no matter who you talk to says the same thing that it's lifetime. When you add a handful of users on this forum and even less on, I've looked into this as much as I could and I'm not worried. I personally haven't had a single issue with mine but the whole nissan, honda and other make/model brands initial issues raised a red flag as far as cvts go. During my hourly commute, if I was not to exaggerate I probably see 100 or more corollas on my way to work every day, shoot probably more. Where I live in Chicago suburbs at least every 5th car is a Corolla and 3 of 5 various Toyotas from siennas to camrys. There are millions of 11th gen in the world, heck since I bought mine, four of my neighbors bough 11th gen corollas. My impression of what some have reported is that if you look at the big picture it's practically a non-issue or no more than anything else. There is a reason why a lot of high end sports cars like ferrari and some BMW Mpower will cap your rpms at 4k until engine and sub components have reached the right temperature. If I'm not mistaken Aisin's K313 unit in our Corollas has a cvt fluid heater which is supposed to help with getting that fluid to right operating temperatures since most wear to CVT or any mechanical devices requires to be warmed up on those cold days before you floor it. Long story short, I’m very satisfied of the CVT so far.Ĭlick to expand.I have to agree with Jolly. Rather the same schedule as other manuals or automatics trans : check at X interval and act appropriately (or change at X interval for severe usage). Actually, you won’t find it in Toyota’s manual. The never ending urban legend of “lifetime fluid” is also frightening for some. Or confusing it with the CVT in hybrids like Prius (totally different beast). The stigma is deep, though… On forums you’ll see people blaming absolutely not transmission related issues on the fact that the car has a CVT. They are simple devices but require meticulous execution. ![]() Actually, there have been CVTs in car for 60 years. ![]() But those don’t apply to all CVTs, not even all CVTs from those brands. There is also the stigma of poor engineering from some brands: GM-Fiat (metal debris in fluid), Ford-ZF (bad O-rings), Audi-Schaeffler (missing clutch…), Honda (wrong fluid…) and of course, Nissan (bad firmware for heat control). All in all the CVT is actually faster by the numbers (from a Corolla point of view…) than the old 4AT (not to mention better mpg). Toyota addresses it with electronic fake shift points. ![]() Other associates the lack of constant up and down in revs with poor performance (drone or rubber band effect). True, if you floor the car, you may feel a slight delay. You have haters mentioning the lack of performance. Which says something, since there are now 1.5 million of them on NA roads. Close to 8 years worldwide for the specific unit in Corolla (5 years for NA) and no particular surge or trend in complaints (Consumer Reports, True Delta, JD Power) beside inevitable odd units from a man-made product.
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