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2014-2017 Corolla CVT Service Advisory #4720842
04/08/18 06:28 PM
04/08/18 06:28 PM
Joined: Oct 2017
Posts: 164
USA
HowAboutThis Offline OP
HowAboutThis  Offline OP
Joined: Oct 2017
Posts: 164
USA
Logged into my Toyota Owner's account and noticed a service advisory (not recall) to reprogram the CVT due to premature wear issues. FYI if you're a 2014-2017 Corolla owner...

Re: 2014-2017 Corolla CVT Service Advisory [Re: HowAboutThis] #4720923
04/08/18 08:27 PM
04/08/18 08:27 PM
Joined: Mar 2008
Posts: 7,037
USA
slacktide_bitog Offline
slacktide_bitog  Offline
Joined: Mar 2008
Posts: 7,037
USA
They could just change the fluid and stop pretending it's lifetime fill smile

Re: 2014-2017 Corolla CVT Service Advisory [Re: HowAboutThis] #4720931
04/08/18 08:36 PM
04/08/18 08:36 PM
Joined: May 2012
Posts: 1,626
The land of USA-made Subies!
SubieRubyRoo Online content
SubieRubyRoo  Online Content
Joined: May 2012
Posts: 1,626
The land of USA-made Subies!
Slacktide, but fluid changes don't generate anywhere near the cash flow of a transmission rebuild for the dealer!

Re: 2014-2017 Corolla CVT Service Advisory [Re: slacktide_bitog] #4720935
04/08/18 08:50 PM
04/08/18 08:50 PM
Joined: Aug 2004
Posts: 20,044
CA
The Critic Offline
The Critic  Offline
Joined: Aug 2004
Posts: 20,044
CA
Originally Posted By: slacktide_bitog
They could just change the fluid and stop pretending it's lifetime fill smile


Maintenance rarely fixes problems.


2011 Toyota Prius - 173k - Various 0W-20 (Brew)
2007 Honda Accord 2.4 - 131K - Mobil 1 EP HM 5W-30
Re: 2014-2017 Corolla CVT Service Advisory [Re: SubieRubyRoo] #4720950
04/08/18 09:12 PM
04/08/18 09:12 PM
Joined: Oct 2012
Posts: 2,467
Staten Island, NY
michaelluscher Offline
michaelluscher  Offline
Joined: Oct 2012
Posts: 2,467
Staten Island, NY
Originally Posted By: SubieRubyRoo
Slacktide, but fluid changes don't generate anywhere near the cash flow of a transmission rebuild for the dealer!


Let's be honest here

One's the cars out of warranty, who's going back to the dealer for a rebuild?

First, they aren't going back to the dealer

Second, it's not a rebuild, it's an exchange

I'm all for preventative maintenance, but it won't overcome bad (or in this case correctable) design flaws

Good on Toyota for making an attempt to get ahead of this

How hard is it to drain and fill one of these Corolla CVT's?


'06 Toyota Camry SE V6 3MZ-FE 100k
'01 Mercury Villager Estate VG33E 52k
'06 Ford Taurus SE Vulcan 60k
'13 Chrysler 300 3.6 Pentastar 230k
Re: 2014-2017 Corolla CVT Service Advisory [Re: HowAboutThis] #4720973
04/08/18 09:24 PM
04/08/18 09:24 PM
Joined: Aug 2017
Posts: 93
Iowa
Aichiguy Offline
Aichiguy  Offline
Joined: Aug 2017
Posts: 93
Iowa
I wonder what % of CVTs go 200k miles? Are they close to the reliability of a traditional transmission? Will they become less popular with carmakers if mpg standards are eased? I'm still skeptical of them but I'm not sure if that's rational or not.


2017 Toyota Camry 2.5
2011 Toyota Camry 2.5 75k
2003 Toyota Camry 2.4 201 k
1999 Ford F150 4.6 70k
Re: 2014-2017 Corolla CVT Service Advisory [Re: The Critic] #4720974
04/08/18 09:24 PM
04/08/18 09:24 PM
Joined: Mar 2015
Posts: 5,118
Virginia
bbhero Offline
bbhero  Offline
Joined: Mar 2015
Posts: 5,118
Virginia
That's exactly right The Critic. Changing fluid bunches of times won't magically fix something that is jacked up from a mechanical, computer, or electrical stand point.


Nissan Altima 3.5 Coupe
Quaker State High Mileage 5w30 Purolator Boss 14610
"Treat your family like your friends and treat your friends like your family."
Re: 2014-2017 Corolla CVT Service Advisory [Re: The Critic] #4720977
04/08/18 09:26 PM
04/08/18 09:26 PM
Joined: Sep 2003
Posts: 1,320
Austin, TX
MaximaGuy Offline
MaximaGuy  Offline
Joined: Sep 2003
Posts: 1,320
Austin, TX
Originally Posted By: The Critic
Originally Posted By: slacktide_bitog
They could just change the fluid and stop pretending it's lifetime fill smile


Maintenance rarely fixes problems.


Rephrase mechanically unsound or engineering shortcuts rarely are fixed via PM


2018 MB GLE350
2011 Lexus ES350
2006 Toyota Highlander 4WD
Re: 2014-2017 Corolla CVT Service Advisory [Re: Aichiguy] #4720979
04/08/18 09:28 PM
04/08/18 09:28 PM
Joined: Mar 2015
Posts: 5,118
Virginia
bbhero Offline
bbhero  Offline
Joined: Mar 2015
Posts: 5,118
Virginia
I have 225k miles on my CVT transmission. Doing great this far. However... Let's remember this.. it is a combination of motor and the transmission that comes into play here. The wrong motor paired with a CVT will not operate well or hold up. There has to be the right interplay between the two of them in order for it to be both effective and giving longevity.


Nissan Altima 3.5 Coupe
Quaker State High Mileage 5w30 Purolator Boss 14610
"Treat your family like your friends and treat your friends like your family."
Re: 2014-2017 Corolla CVT Service Advisory [Re: HowAboutThis] #4720987
04/08/18 09:37 PM
04/08/18 09:37 PM
Joined: Aug 2017
Posts: 93
Iowa
Aichiguy Offline
Aichiguy  Offline
Joined: Aug 2017
Posts: 93
Iowa
225k is very respectable!


2017 Toyota Camry 2.5
2011 Toyota Camry 2.5 75k
2003 Toyota Camry 2.4 201 k
1999 Ford F150 4.6 70k
Re: 2014-2017 Corolla CVT Service Advisory [Re: Aichiguy] #4721001
04/08/18 10:00 PM
04/08/18 10:00 PM
Joined: Mar 2015
Posts: 5,118
Virginia
bbhero Offline
bbhero  Offline
Joined: Mar 2015
Posts: 5,118
Virginia
Still hauls rear end very, very good too. I believe the 3.5 VQ motor is a better motor for that CVT because it puts more tension but not too much tension on the belt. The 2.5 motor just doesn't keep the CVT in the sweet spot in terms of it's optimal operating pattern.

And let me tell you this.. I would NOT want a CVT with a small motor like a 2.0 or 1.8 liter motor... That would be cruddy as all get out. Unless that motor was major league turbo boosted and actually had some torque and power... Then and only then I might consider that a possibility.

Last edited by bbhero; 04/08/18 10:01 PM.

Nissan Altima 3.5 Coupe
Quaker State High Mileage 5w30 Purolator Boss 14610
"Treat your family like your friends and treat your friends like your family."
Re: 2014-2017 Corolla CVT Service Advisory [Re: HowAboutThis] #4721131
04/09/18 04:03 AM
04/09/18 04:03 AM
Joined: May 2005
Posts: 10,410
ROCHESTER, NY
Char Baby Offline
Char Baby  Offline
Joined: May 2005
Posts: 10,410
ROCHESTER, NY
bb,
How often have you changed the CVT fluid?


"Retired"
-----------------------------------

'80 Firebird FORMULA V8/4bbl-purchased "NEW"
'15 Nissan Altima 2.5 SV
'15 Honda Civic LX
Re: 2014-2017 Corolla CVT Service Advisory [Re: bbhero] #4721338
04/09/18 09:24 AM
04/09/18 09:24 AM
Joined: Oct 2006
Posts: 8,138
OH
grampi Offline
grampi  Offline
Joined: Oct 2006
Posts: 8,138
OH
Originally Posted By: bbhero
I would NOT want a CVT with a small motor like a 2.0 or 1.8 liter motor... That would be cruddy as all get out. Unless that motor was major league turbo boosted and actually had some torque and power... Then and only then I might consider that a possibility.


I'll have to disagree. A few months ago I had to drop my wife's Sienna off at the dealership for a recall. The dealer gave us a 2017 Corolla for a loaner. The car was a joy to drive, and it was all because of the CVT. Power wise, the new Corollas make about the same as my '04 Corolla, but my 4 speed auto felt like a dog compared the '17s CVT...when you stepped on the accelerator, the car took off without hesitation...with my car it has to downshift, then you wait for the RPM's to get to the point where it's making decent power. The CVT in the newer Corollas makes it a blast to drive!

Last edited by grampi; 04/09/18 09:25 AM.
Re: 2014-2017 Corolla CVT Service Advisory [Re: bbhero] #4721384
04/09/18 09:59 AM
04/09/18 09:59 AM
Joined: Dec 2006
Posts: 7,790
Toronto, Canada
KrisZ Online happy
KrisZ  Online Happy
Joined: Dec 2006
Posts: 7,790
Toronto, Canada
Originally Posted By: bbhero
Still hauls rear end very, very good too. I believe the 3.5 VQ motor is a better motor for that CVT because it puts more tension but not too much tension on the belt. The 2.5 motor just doesn't keep the CVT in the sweet spot in terms of it's optimal operating pattern.

And let me tell you this.. I would NOT want a CVT with a small motor like a 2.0 or 1.8 liter motor... That would be cruddy as all get out. Unless that motor was major league turbo boosted and actually had some torque and power... Then and only then I might consider that a possibility.


I'm pretty sure you have a wrong understanding on how the CVT works in vehicles. The belt is not pulled, but it is pushed because it is all steel. Your good CVT life has little to do with the engine it is paired to, but is closely tied to your driving style and routine.

Most CVT failures are either from the worn cones and sides of the belt or a failing oil pump that cannot keep sufficient pressure on the cones or a combination of the two.

If you look at the cutaway profile of the two cones and the belt, there is very little surface area to support the torque requirements. Application of the steel belt increased that torque because the pressure to keep the belt from slipping could be increased, but the contact area still remains small when compared to the traditional clutch packs.


2015 Dodge Grand Caravan-27k miles.
2006 Mazda 3-163k miles
Re: 2014-2017 Corolla CVT Service Advisory [Re: HowAboutThis] #4721408
04/09/18 10:24 AM
04/09/18 10:24 AM
Joined: Oct 2012
Posts: 254
Ontario, Canada
wing0 Offline
wing0  Offline
Joined: Oct 2012
Posts: 254
Ontario, Canada
Originally Posted By: HowAboutThis
Logged into my Toyota Owner's account and noticed a service advisory (not recall) to reprogram the CVT due to premature wear issues. FYI if you're a 2014-2017 Corolla owner...


Can you take a screenshot of it and post it here?

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