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Old 08-20-2018, 03:57 PM
 
Location: Southern California
12,767 posts, read 14,959,782 times
Reputation: 15326

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Nissan sent ANOTHER DIFFERENT warranty extension about a different matter...not lately, but a while back. This one says:

"In the rare circumstance that a clog were to develop in this evaporative emission vapor vent tube, your vehicle has software that may not be able to accurately pinpoint the issue, so this extended warranty for the evaporative emission vapor vent tube has been extended to 15 yrs or 150K miles, whichever comes first, if the tube is found to be clogged."

Anyone know what my car will do if something wrong happens w/ that? Give me a scenario. I want to know, so when it happens, I can refer to the specific warranty & they won't just downplay the issue & assume I don't know that I'm referring to this tube issue.

So I have 5 more yrs to get this other issue another 75,500K miles miles to go for this to be taken care of.
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Old 08-20-2018, 04:17 PM
 
628 posts, read 838,102 times
Reputation: 412
I know someone with this issue but they had a manual transmission so it is not the CVT but the engine or the accelerator
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Old 08-21-2018, 01:57 PM
 
712 posts, read 529,850 times
Reputation: 725
Quote:
Originally Posted by Arcenal352 View Post
1. As I mentioned earlier, judging by the symptoms described, there wasn't any particular damage to the main components of the transmission. The fluid breaks down from excessive heat and failure to replace in a timely manner, the valve body gets dirty/clogged with gunk, and there, you have the problems described above.
They are not going to replace an entire transmission if it doesn't need it. That's like replacing an entire engine if your throttle body goes bad.

2. The older CVTs did not have a separate cooler, but instead ran lines directly through the radiator, which proved to not be as efficient as the newer design with the auxiliary cooler. So they added an auxiliary cooler.


But again, yeah, no idea what I'm talking about.
So basically you said for op to SPEND MONEY TO GET A FLUSH THAT WOULD FIX PROBLEM. You were dead wrong. Entire valve body needed to be changed. FLush would not fix anything if there's damage to that component. You were wrong.
Quote:
Originally Posted by Arcenal352 View Post
Get the CVT transmission flushed.
FLUSHED. Not just drain/filled.

It's an easy and relatively cheap "fix."

I can pretty much guarantee you this will solve it.
No, you do not need to replace the transmission.
The fluid is worn, and gets too hot, thus losing its lubricating properties, causing the final bearing to "slip," resulting in loss of power after extended driving at higher speeds.

That's it. Nothing more, nothing less.
Completely wrong.

I'm the one that told Op to NOT WASTE money on a cvt flush which is expensive. OP ending up getting around 1-2k worth of work done for FREE. But yeah listen to you tell op to go to a service shop and spend hundreds to get a cvt flush when they actually needed an entire body and cooler and fluid for FREE. Oh and cvt flush wouldn't have solved the problem since the valve body was damaged.

1)They don't deny based on how often you changed the cvt fluid. That's a fact. Call nissan corporate when you cvt dies or starts whining/has problems. They don't check. It's lifetime if you're not towing. Towing is not normal service. Towing with a sentra. LOL Manual is very clear. Did they ask op for all transmission fluid flush receipts? You're talking nonsense to try to "win" after giving bad advice that would have cost op money.

2) The whining is not just from valve body getting dirty at all times. Internal wear of bearings and other components can also cause that whine. Many cvt transmission that are whining can NOT be repaired just replacing the valve body and on their way out. But again according to you a simple flush would have solved everything. Then why did nissan do all this work for free if a simple flush would solve the problem?

A whining transmission does NOT mean it's ALWAYS just the valve body. You'd waste your cutomer's money if you made a diagnosis like that. You don't just swap parts. You have to take it apart and inspect and see. ALL THE TIME trannys whine because there is interal damage especially with the cvt. Most of the time when you hear a whine, you need either a completely new transmission or a valve body. Talk to any service tech at nissan. They do this work all the time.

Quote:
Originally Posted by Arcenal352 View Post
No, the transmission engineers never said this.

http://aamcoftp.com/sites/aamcotech/...cvt-manual.pdf
Ugh Wrong again. Last time I checked aamco doesn't warranty your vehicle the and car manual is what you follow

If op listened to you they would have just gotten a flush would cost hundreds and then drive around with a damaged valve body causing further internal damage likely blowing out the entire transmission potentially AFTER the warranty period.(which ends in months since op has 2009) That would have been real smart.

Last edited by BeyondtheHorizon; 08-21-2018 at 02:10 PM..
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Old 08-21-2018, 03:19 PM
 
Location: Flawduh
17,142 posts, read 15,341,895 times
Reputation: 23720
Quote:
Originally Posted by BeyondtheHorizon View Post


Ugh Wrong again. Last time I checked aamco doesn't warranty your vehicle the and car manual is what you follow

If op listened to you they would have just gotten a flush would cost hundreds and then drive around with a damaged valve body causing further internal damage likely blowing out the entire transmission potentially AFTER the warranty period.(which ends in months since op has 2009) That would have been real smart.
No, Aamco does not warranty the vehicle. Aamco does, however, get their service requirements directly from the transmission manufacturer, as do software programs like Michelin on-demand, etc. Jatco sells them all of that information.

Also, no, the car manual is not what you follow. The car manual is a general guidance to give the average driver some direction as to when to expect to take the vehicle in for service, which often, does not describe the full extent of the services required by the manufacturer. The full service manual (which is much more in-depth than a car manual) is what you follow, and this can be accessed by reputable mechanic shops with proper software, as well as dealerships.

There are many drivers out there who are shocked when they bring their vehicle in for something they think is covered under "drivetrain warranty," only to discover that, despite following their glove-box manual as best as they could, they missed several crucial service requirements outlined by the engineers in the full manuals.



Lastly, a valve body seldom gets actual damage. The ports get clogged. Do you know what a valve body is? Do you know what it does? A flush is generally performed to clean it. Some mechanic shops may opt to just replace the part, since it is relatively cheap.
The same valve body they pulled out of that vehicle will likely get cleaned out, have new seals installed, and be used in the next vehicle that comes in with the issue.
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Old 08-21-2018, 03:34 PM
 
Location: Flawduh
17,142 posts, read 15,341,895 times
Reputation: 23720
Quote:
Originally Posted by BeyondtheHorizon View Post
So basically you said for op to SPEND MONEY TO GET A FLUSH THAT WOULD FIX PROBLEM. You were dead wrong. Entire valve body needed to be changed. FLush would not fix anything if there's damage to that component. You were wrong.


Completely wrong.

I'm the one that told Op to NOT WASTE money on a cvt flush which is expensive. OP ending up getting around 1-2k worth of work done for FREE. But yeah listen to you tell op to go to a service shop and spend hundreds to get a cvt flush when they actually needed an entire body and cooler and fluid for FREE. Oh and cvt flush wouldn't have solved the problem since the valve body was damaged.

1)They don't deny based on how often you changed the cvt fluid. That's a fact. Call nissan corporate when you cvt dies or starts whining/has problems. They don't check. It's lifetime if you're not towing. Towing is not normal service. Towing with a sentra. LOL Manual is very clear. Did they ask op for all transmission fluid flush receipts? You're talking nonsense to try to "win" after giving bad advice that would have cost op money.

2) The whining is not just from valve body getting dirty at all times. Internal wear of bearings and other components can also cause that whine. Many cvt transmission that are whining can NOT be repaired just replacing the valve body and on their way out. But again according to you a simple flush would have solved everything. Then why did nissan do all this work for free if a simple flush would solve the problem?

A whining transmission does NOT mean it's ALWAYS just the valve body. You'd waste your cutomer's money if you made a diagnosis like that. You don't just swap parts. You have to take it apart and inspect and see. ALL THE TIME trannys whine because there is interal damage especially with the cvt. Most of the time when you hear a whine, you need either a completely new transmission or a valve body. Talk to any service tech at nissan. They do this work all the time.
The whine is from the final bearing. The final bearing isn't being properly lubricated, which causes it to "whine" and alerts the transmission to go into limp mode. This is caused by:

a)-a clogged valve body preventing adequate fluid from reaching the bearing

b)-deteriorated fluid that has lost its viscosity due to wear and under high temperature no longer lubricating the bearing as required.

c)-Low fluid, caused either by leaks or improper refill.

d)-Wrong fluid type.


If the driver continues to drive for extended periods of time after these issues first occur, THEN there will be internal damage to the transmission.

(What do you mean ALL this work? Replacing a valve body is very simple labor.)

The main issue with service techs at Nissan (and other dealerships) is that until very recently, they were not trained to work on CVTs, and knew absolutely nothing about them. As such, some services were either not performed properly, or simply overlooked, and when issues arose, none could diagnose them without a trained tech flying from abroad. The easiest solution was to remove the entire transmission, send it overseas to be repaired, and replace with a re-manufactured (generally read CLEANED) from overseas.

The extended warranty is mainly the result of Nissan being aware of the lack of training its techs had, which resulted in lack of proper servicing/diagnosis, which the customer had no way of knowing about without doing extensive research on the topic.

Now, any time you take your car into a dealership for service (oil changes, etc.), they scan the CVT fluid for wear, BECAUSE IT WEARS DOWN and they are aware of it.

IF YOU'RE TOWING, YOU REPLACE THE FLUID AT THE MOST EVERY 30,000 MILES. OTHERWISE, DO NOT EXCEED 60,000. The manual does not tell you it's lifetime.

But since you want to keep arguing this, here's some more information, DIRECTLY FROM NISSAN (go ahead, ask them for a FULL CVT SPEC printout:

CVT MAINTENANCE NOTES



For vehicles with a CVT; cube®, Murano®, Altima®, Altima coupe, Maxima®, Rogue®, Pathfinder®, Sentra® and Versa®, replace the fluid every 60,000 miles or if the CVT fluid deterioration data is more than 210000.
If towing a trailer or if the vehicle is driven on rough or muddy roads, replace the CVT fluid every 30,000 miles or 24 months.
When servicing a Nissan vehicle equipped with a CVT, make sure to use the appropriate Nissan CVT fluid specified in the Electronic Service Manual (ESM), Owner’s Manual or Service and Maintenance Guide.
NISSAN CVT Fluid NS-2 (“green fluid”) – applies to all Nissan vehicles equipped with a CVT built prior to 2013. Use NS-2 green fluid to service these vehicles.
New, unused service replacement CVTs may have some residual “blue” NS-3 fluid. However, these service replacement CVTs should be filled with NS-2 green fluid. No draining is necessary.
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Old 08-21-2018, 03:44 PM
 
Location: Flawduh
17,142 posts, read 15,341,895 times
Reputation: 23720
Quote:
Originally Posted by BeyondtheHorizon View Post

I'm the one that told Op to NOT WASTE money on a cvt flush which is expensive. OP ending up getting around 1-2k worth of work done for FREE. But yeah listen to you tell op to go to a service shop and spend hundreds to get a cvt flush when they actually needed an entire body and cooler and fluid for FREE. Oh and cvt flush wouldn't have solved the problem since the valve body was damaged.
Who the heck is replacing your valve body for $1-2k???

And here's some extra information you can either take or scoff at like a school jock: More than likely, the valve body was not replaced at all, but rather simply cleaned out. It's the most common "fix."



Goodnight.
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Old 08-21-2018, 04:50 PM
 
712 posts, read 529,850 times
Reputation: 725
Quote:
Originally Posted by Arcenal352 View Post
Who the heck is replacing your valve body for $1-2k???

And here's some extra information you can either take or scoff at like a school jock: More than likely, the valve body was not replaced at all, but rather simply cleaned out. It's the most common "fix."



Goodnight.
fluid flush cost hundreds alone. Then a specific cooler. Then the valve body. It would have said cleaned valve body on op invoice if it were cleaned. Call Nissan for. a quote.
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Old 08-21-2018, 04:53 PM
 
712 posts, read 529,850 times
Reputation: 725
Quote:
Originally Posted by Arcenal352 View Post
The whine is from the final bearing. The final bearing isn't being properly lubricated, which causes it to "whine" and alerts the transmission to go into limp mode. This is caused by:

a)-a clogged valve body preventing adequate fluid from reaching the bearing

b)-deteriorated fluid that has lost its viscosity due to wear and under high temperature no longer lubricating the bearing as required.

c)-Low fluid, caused either by leaks or improper refill.

d)-Wrong fluid type.


If the driver continues to drive for extended periods of time after these issues first occur, THEN there will be internal damage to the transmission.

(What do you mean ALL this work? Replacing a valve body is very simple labor.)

The main issue with service techs at Nissan (and other dealerships) is that until very recently, they were not trained to work on CVTs, and knew absolutely nothing about them. As such, some services were either not performed properly, or simply overlooked, and when issues arose, none could diagnose them without a trained tech flying from abroad. The easiest solution was to remove the entire transmission, send it overseas to be repaired, and replace with a re-manufactured (generally read CLEANED) from overseas.

The extended warranty is mainly the result of Nissan being aware of the lack of training its techs had, which resulted in lack of proper servicing/diagnosis, which the customer had no way of knowing about without doing extensive research on the topic.

Now, any time you take your car into a dealership for service (oil changes, etc.), they scan the CVT fluid for wear, BECAUSE IT WEARS DOWN and they are aware of it.

IF YOU'RE TOWING, YOU REPLACE THE FLUID AT THE MOST EVERY 30,000 MILES. OTHERWISE, DO NOT EXCEED 60,000. The manual does not tell you it's lifetime.

But since you want to keep arguing this, here's some more information, DIRECTLY FROM NISSAN (go ahead, ask them for a FULL CVT SPEC printout:

CVT MAINTENANCE NOTES



For vehicles with a CVT; cube®, Murano®, Altima®, Altima coupe, Maxima®, Rogue®, Pathfinder®, Sentra® and Versa®, replace the fluid every 60,000 miles or if the CVT fluid deterioration data is more than 210000.
If towing a trailer or if the vehicle is driven on rough or muddy roads, replace the CVT fluid every 30,000 miles or 24 months.
When servicing a Nissan vehicle equipped with a CVT, make sure to use the appropriate Nissan CVT fluid specified in the Electronic Service Manual (ESM), Owner’s Manual or Service and Maintenance Guide.
NISSAN CVT Fluid NS-2 (“green fluid”) – applies to all Nissan vehicles equipped with a CVT built prior to 2013. Use NS-2 green fluid to service these vehicles.
New, unused service replacement CVTs may have some residual “blue” NS-3 fluid. However, these service replacement CVTs should be filled with NS-2 green fluid. No draining is necessary.
Well she would have kept driving with your advice and destroyed tranny. Lol you said jus t get a flush. I guess that would clean the valve body
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Old 08-21-2018, 05:06 PM
 
Location: Flawduh
17,142 posts, read 15,341,895 times
Reputation: 23720
Quote:
Originally Posted by BeyondtheHorizon View Post
fluid flush cost hundreds alone. Then a specific cooler. Then the valve body. It would have said cleaned valve body on op invoice if it were cleaned. Call Nissan for. a quote.
You really believe what you just wrote? You've clearly never worked in a shop.
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Old 08-21-2018, 05:07 PM
 
Location: Flawduh
17,142 posts, read 15,341,895 times
Reputation: 23720
Quote:
Originally Posted by BeyondtheHorizon View Post
Well she would have kept driving with your advice and destroyed tranny. Lol you said jus t get a flush. I guess that would clean the valve body
LOL. Considering it's one of the primary functions of a flush (versus a drain/refill, which does nothing for the valve body), yes. It cleans the valve body.

If it's one of the CVT models that does not have removable lines to perform a proper flush, the only way to clean the valve body is to remove it.
If it has the lines to hook to a machine, a flush is performed.

Neither one of these is labor intensive.

Last edited by Arcenal813; 08-21-2018 at 05:21 PM..
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