2008 Nissan Altima 2.5 CVT Failure

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That seems to be the average life of other vehicles that have had CVTs. It's going to be interesting to see how they holdup in the high volume cars that have been receiving them in the last 2-3 years.
 
They've always made me wary and I'm not a troglodyte.

Maybe it's my background in mechanical engineering
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Something about pushing metals and lubricants to their limits in a mass produced vehicle.

CVTs first appeared in the 1908 Carter.
http://www.leechvideo.com/video/view249527.html
Maybe in another 100 years they will be ready.
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Too bad to hear that this person had that sort of trouble. As you pointed out Critic, this is an isolated example...hopefully. How has the CVT that Honda put in the Civic been holding up? They've had that in there since '96, I think there would be some longer-term reviews of that CVT by now.

Clark
 
Originally Posted By: ClarkB
Too bad to hear that this person had that sort of trouble. As you pointed out Critic, this is an isolated example...hopefully. How has the CVT that Honda put in the Civic been holding up? They've had that in there since '96, I think there would be some longer-term reviews of that CVT by now.

Clark

Honda CVTs have a TERRIBLE reliability record.
 
The only reliable CVT is the one in the Prius, but that one isn't your typical belt-driven CVT. Plus, it's being used in a relatively low power application.
 
Originally Posted By: The Critic
The only reliable CVT is the one in the Prius, but that one isn't your typical belt-driven CVT. Plus, it's being used in a relatively low power application.


It's not really a CVT. It's more of a set of planetary gears used to balance electric motors and an IC engine. There is no friction drive like true CVTs in cars. There is no reason the Prius drive couldn't be scaled up and be anvil reliable.
 
Originally Posted By: ClarkB
Too bad to hear that this person had that sort of trouble. As you pointed out Critic, this is an isolated example...hopefully. How has the CVT that Honda put in the Civic been holding up? They've had that in there since '96, I think there would be some longer-term reviews of that CVT by now.

Clark


The only Civic that has had a CVT since 2006 has been the Civic Hybrid.
 
The '08 Ford Taurus supposedly has one. I looked at it at the Texas State Fair and asked the guy how long it would last. The guy only gave me his schpeel as he backed away about how it has a more powerful engine, CVT, leather interior, 8 airbags...etc..etc...

I sure hope they did a good job designing them. Although I dont plan on buying a new or used car for a few years.

It will be interesting to see what happens.
 
Originally Posted By: XS650
Originally Posted By: The Critic
The only reliable CVT is the one in the Prius, but that one isn't your typical belt-driven CVT. Plus, it's being used in a relatively low power application.


It's not really a CVT. It's more of a set of planetary gears used to balance electric motors and an IC engine. There is no friction drive like true CVTs in cars. There is no reason the Prius drive couldn't be scaled up and be anvil reliable.


The limitation on the Prius drive would be electronics and that it needs to have 2 electric motors to drive, making it a hybrid only implementation.
 
i thought foreign cars walked on water...it seems like the more we complicate things the worse they get...but consumers are demanding
 
Originally Posted By: chet2
i thought foreign cars walked on water...it seems like the more we complicate things the worse they get...but consumers are demanding


You show me the mass of people protesting Honda or any other manufacturer with picket signs reading, WE WANT CVT!

That "demand" is the same horse manure that gave us "velvety smooth shifts" that I never got the survey for either.

btw- in mundane driving, my antiquated 30rh is a CVT. Taking off out of a light @ 2000-2200 rpm ..the tach never dips until converter lock up. I have those velvety smooth shift and all the rest in something you can rebuild in an afternoon at home ..and take (with minor tweaking) V8 torque (it's a 904 TF).
 
Properly done electronics and electric motors aren't a limitation. Present day car CVTs are.
 
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I have a recently acquired CVT on a 150cc Chicom scooter. One of the advantages of only dealing with 9 hp is that you can get about 5k miles out of an easily changed $30 belt.
 
Originally Posted By: SuperDave456
The '08 Ford Taurus supposedly has one. I looked at it at the Texas State Fair and asked the guy how long it would last. The guy only gave me his schpeel as he backed away about how it has a more powerful engine, CVT, leather interior, 8 airbags...etc..etc...

I sure hope they did a good job designing them. Although I dont plan on buying a new or used car for a few years.

It will be interesting to see what happens.


You mean the Ford Freestyle/500 had CVT, not Taurus/has 6speed auto tranny. All the Freestyle came with CVT and are holding up well. It uses a double chaing design in the CVT.
 
Originally Posted By: SuperDave456
The '08 Ford Taurus supposedly has one. I looked at it at the Texas State Fair and asked the guy how long it would last. The guy only gave me his schpeel as he backed away about how it has a more powerful engine, CVT, leather interior, 8 airbags...etc..etc...

I sure hope they did a good job designing them. Although I dont plan on buying a new or used car for a few years.

It will be interesting to see what happens.


That man was misinformed. Ford dropped the CVT when they renamed the FiveHundred to the Taurus.
 
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