help needed, which parts should I buy for compass' FDII? - JeepForum.com

 
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post #1 of 9 Old 08-16-2013, 09:21 PM Thread Starter
wangyi
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help needed, which parts should I buy for compass' FDII?

hello everyone, I got a compass in 2011 without FD2 and now I want to install a suite of that myself, 1)do you guys know which parts should I buy? 2)and if possible, where can I have the parts number of these?
BTW I only need the low-speed four-wheel dirve and the brake lock differential as you all know
thank you so much
waiting online

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post #2 of 9 Old 08-17-2013, 05:24 AM
aroundincircles
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Not financially possible to upgrade a FDI with FDII, you have to have a new transmission, and programming, and a lot of other stuff. You would easily spend 5-9k just to get the job done, you're better off finding a FDII patriot/compass and selling your current vehicle.

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post #3 of 9 Old 08-17-2013, 09:20 AM Thread Starter
wangyi
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Originally Posted by aroundincircles View Post
Not financially possible to upgrade a FDI with FDII, you have to have a new transmission, and programming, and a lot of other stuff. You would easily spend 5-9k just to get the job done, you're better off finding a FDII patriot/compass and selling your current vehicle.
thank you so much for your replying, so you mean I need the transmission the programming? Can I find that in dealer's place or some other auto parts shop?
I do love my old FDI compass though...
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post #4 of 9 Old 08-17-2013, 09:22 AM
FujativeOCR
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The final drive gears are different too. Aren't those outside of the transmission?
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post #5 of 9 Old 08-17-2013, 09:23 AM
FujativeOCR
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The CVT2 and CVT2L have the same ratio range, but the cars gearing is where the 19:1 comes from.
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post #6 of 9 Old 08-18-2013, 01:50 AM
aroundincircles
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you're right, it is the final drive, which is part of the transaxle, which is axle, transmission and final drive all in one unit. I guess you could swap one out, but that would be pretty labor intensive. The hard part would be the software, IIRC, the software is linked to the vin of the vehicle, you would have to tell the computer that it has the vin of a FDII patriot, and then let it load up the software for both the main computer, and the controller for the transmission. I don't know of too many dealers that would do that...

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post #7 of 9 Old 08-18-2013, 08:14 PM Thread Starter
wangyi
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Quote:
Originally Posted by aroundincircles View Post
you're right, it is the final drive, which is part of the transaxle, which is axle, transmission and final drive all in one unit. I guess you could swap one out, but that would be pretty labor intensive. The hard part would be the software, IIRC, the software is linked to the vin of the vehicle, you would have to tell the computer that it has the vin of a FDII patriot, and then let it load up the software for both the main computer, and the controller for the transmission. I don't know of too many dealers that would do that...
now I understand, so it's kinda impossible then...
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post #8 of 9 Old 08-18-2013, 09:17 PM
tjkj2002
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Quote:
Originally Posted by wangyi View Post
now I understand, so it's kinda impossible then...
Not impossible,though for the $$$ not worth it.No dealer will do the programming so it would all have to be custom programmed,not cheap.It's not like 30 years ago when vehicles did not have any computers,today everything is computer controlled which ups the cost by almost what a new vehicle would cost to try and retrofit into another vehicle without it.

'02 Liberty sitting on 35" tires,HP44,RockJock60,and AtlasII t-case
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post #9 of 9 Old 08-18-2013, 10:05 PM
aroundincircles
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You can do anything if you have enough cash. But you would be better off selling your fdi and finding a fdii.

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