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Unread 02-09-2007, 12:14 PM   #1
tednelson83
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05 WK single speed x-fer case to two speed?

hi all, I just got me an 05 Jeep Grand Cherokee Lorado 4x4 yesterday and I noticed that that it didn't have a hi-lo sellector. turns out that I goofed and got the one with a single speed. got me thinking is it possible to convert it to a selectible one? if so can someone give me some ballpark figures on the conversion?

another question, how capible is this vehicle as is? is it worth it, or would it be best to turn it back in it to the dealer? I have that option untill 9pm on the 10th. I do plan on off roading in it, and I will deffinately want to run the 4x4 trails, that was the whole point of this purchase. (seems like someone may not have done enough research)

thanks guys!

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Unread 02-09-2007, 01:59 PM   #2
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how difficult of a trail? i've taken mine to some pretty remote places but if you're planning on some hard core stuff, trade it back in and get a wrangler.
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Unread 02-09-2007, 02:05 PM   #3
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thats what i was affraid of, thanks.
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Unread 02-09-2007, 02:30 PM   #4
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If you have the single speed, your transfercase is only 4hi and doesn't have the 4lo capability.


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Unread 02-09-2007, 02:34 PM   #5
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You really want LO range if you're going to hit trails that are considered moderately challenging...

I would bring it back if you have that option...to convert it will run you up around 1k would be my guess on a WK at least.

It would be wiser to find one with it already IMO.
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Unread 02-09-2007, 04:09 PM   #6
drewman141
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$1K would probably be if you got junk yard parts and did the swap yourself. Definately easier to trade it for a model that has the QT-II or QD-II.
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Unread 02-09-2007, 07:06 PM   #7
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Well, here's an idea on what some parts might cost...

NV245 Transfer Case

Transfer Case Switch

...I'm sure that there would be more parts involved, plus fluids, and obviously labor...not to mention some PCM/ECU reprograming! I wouldn't even attempt something like this unless I had alot of mechanical experience. I'd bet that you'd be looking closer to $2000. It may be cheaper to install it after the fact, all depends on what they'd charge you to upgrade/trade/return.

I wonder, would changing out the transfer case--if the dealer did it--affect the warranty? Would the new transfer case be covered under the original warranty?


Let us know what you end up doing!!!
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Unread 02-18-2007, 05:25 AM   #8
tednelson83
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after a bit more digging around, i found the 245 x-fer case for between $400 and $450. say $50 shipped on the switch, $50-100 on the bezel provided i cant modify the one i have, and it looks like i can do it for under $600. that is provided the wiring is in place, and the ecm needs no programing.

Verdict:... Yup, doable, feasable, and reasonable. once thats done i look into the ELSD's and i will have the QD2 system in my factory QT1 3.7!
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Unread 02-18-2007, 05:53 AM   #9
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I think you forgot a few parts - module to control the 245 transfer case (and ELSD's if you get them), wiring to transfer case (and ELSD's), front and rear driveshafts, and transfer case adapter to transmission. There might be other things too. And you still have 3.07 gears in the axles.

Better to trade for what you want than to have a vehicle half converted and figure out it costs a lot more than you thought. Good luck if you decide to tackle it though!
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Unread 02-18-2007, 02:25 PM   #10
tednelson83
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are the axels different? i knew i was forgetting a bunch of electronic stuff, but what i really need is a factory shop manual, and part interchange manual. know where one can find these? this will help in researching a lot of my plans.
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Unread 02-18-2007, 07:27 PM   #11
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Yes, the final drive ratios are different. QTII uses 3.57 gears.
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