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Why did Chrysler pick this CVT vs......

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unclejjg

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Discussion starter · #1 ·
Check this link to Jatco Ltd., the producer of the current CVT2 and CVT2L found in the Patriot.

Toward the bottom you will see CVT's that can handle up to a 3.5 liter engine, and one that is made for rear-wheel drive, medium to heavy vehicles. So, why did they pick one that can't handle the torque of a 2.0 liter diesel or a stronger engine than currently offered?

How much more could a stronger CVT cost.....$300.00? In the grand scheme of things, it would have been a better investment, and one that could have easily been passed off to the customer without them even knowing.

Whatever they did to achieve the "low ratio" probably could have been done to the more hardy CVT's and likely to a greater extent. We might have had a 25:1 ratio and the ability to put a 2.7 liter engine or a 2.5 liter diesel.

Maybe the technology wasn't available when they designed the Patriot, but I hope they revisit this in the future.
 
#2 · (Edited)
Honestly though, I have driven the CVT in the Audi A4 3.2 and the Nissan Maxima and even then it is a PITA. I honestly do not think it is a good tranny overall. The wear might eb less then a reg tranny and easier to repair, but the system is just not what I consider desireable. Just the system behind it makes a cruising tranny, rather then a performance tranny...But then again, this is my opinion. It just doesn't matter what engine you mate this tranny with. What they should have considered is providing the following options:

5-Speed Manual
CVT2
5 or 6 Speed Auto

Or even axe the CVT2 all together. But as long as people drove the car before they bought it, performance should NOT be a surpise. If it is...Chrysler cannot be blamed. We drove our riot on side roads, highways, stop and go...as these are our driving conditions...and we accepted what it provided.
 
Discussion starter · #3 ·
What they should have considered is providing the following options:

5-Speed Manual
CVT2
5 or 6 Speed Auto
Click to expand...
I disagree with this statement. I think Jeep offers far too many options for each vehicle. Too many engines, too many transfer cases, to many transmissions. I'd rather see them offer 2 choices of engine, auto or manual, and 1 transfer case for each vehicle. However, I do think they should optimize the choices. If you are going with a CVT...make it one that will allow for a bit more power from an engine.
 
#8 ·
Jeep Patriot CVTII


JATCO Belt CVT for medium vehicles JF011E
Click image above for high resolution photograph
  • Light and compact design
  • Wider gear ratio range for both acceleration performance and fuel consumption
  • High efficiency and fuel economy at the top of its class
  • Applicable up to 2.5-liter class
  • Main vehicles equipped with this CVT:
  • NISSAN LAFESTA, SERENA, BLUEBIRD SYLPHY, DUALIS, X-TRAIL
  • MITSUBISHI OUTLANDER, DELICA D: 5 GARANT FORTIS
  • SUZUKI LANDY
  • DAIMLER-CHRYSLER DODGE CALIBER, JEEP COMPASS, JEEP PATRIOT
 
#9 ·
I still say it is hard to beat manual. Looking on this forum I see a pile of people that are unhappy with the CVT and in my research prior to buying the Patriot I followed the advice of the pros "avoid the CVT" and I have no regrets for doing so.
 
#12 ·
I hear you all about you can't beat a manual. This is my first automatic. I wanted the FDII Trail Rated Pat so had to do the CVT2L thing. I find I am not missing shifting gears. But then again, I'm old - a fossil actually - so old in fact, I remember having to get up, walk across the room and actually touch the TV to change the channels - some little knob as I recall. :)
 
#13 ·
Forgive me if this is a stupid question, but on the manual vs. CVT debate, why does one get better MPGs with a manual? What's the science behind it?

P.S. Speaking of "stupid questions," check out this quote that I read a while back; cracks me up...

If there are no stupid questions, then what kind of questions do stupid people ask? Do they get smart just in time to ask questions? (Scott Adams)
 
#14 ·
Easiest explanation I can think of.

An engine, ICE, Steam, or Electric, is always most efficient when it is running at a constant RPM. The RPM is determined by the engine design. A CVT will keep the engine RPM's steady, allowing it to run in its comfort zone, so it can operate around its highest efficiency. Think of it this way. A car always returns higher MPG's on the highway because the engine is running at a constant speed.

A standard transmission is much more simple than an automatic. The more "stuff" you have between an engine and the final drive wheels, the lower your efficiency.

An automatic transmission is a very complicated device filled with lots of "stuff".
 
#15 ·
I have to admit. Now that I am use to how the CVT works and what it wants....
I like it.

Coupled with the K&N filter it actually has a little punch when I need it too.

Not crazy about the sound it makes...but eh...

Jim
 
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#16 ·
^^ I ordered my K&N as well...should be here by the weekend.

Don't get me wrong folks...I do not mind as I set my expectations with all the test drives. But in general people talk badly about the CVT (here at work as well) as most consider the performance aspect...and the CVT2 is just not a performance gear box. It's a cruising tranny. Simple as that.
 
#20 ·
To me it's a big modern sewing machine slowly brought up to full speed.
 
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