Replacement CV Shafts?

[Clarky]

The NV245 transfer case can not run rear wheel drive only in high range, maybe SRT transfer cases can but there is no way of doing this on a QDII or QTII.

[Windex]

Originally Posted by Clarky

The NV245 transfer case can not run rear wheel drive only in high range, maybe SRT transfer cases can but there is no way of doing this on a QDII or QTII.

This is something that has had me scratching my head for some time as to how the case works and something I really want to test out one day as a lot of the literature about the case is that it can provide 100% torque to a single output. But I will admit to knowing nothing about transfer cases.

[Clarky]

The manipulation of the clutch packs is done by the transfer case motor, you would need to find a way of getting the T/C motor to lock in the right position to give you 4H-locked. This would give you the ability to drive without the front prop shaft.

Problem
1 getting the T/C motor to stop in the right position.
2 Avoiding limp mode when the electronics detect the transfer case is stuck in the wrong position.
3 Affording enough beer to pay the genius who can figure it out.

Read this, its an example of how it is theoretically possible and Jeep could have given us 4H-LOCK if they wanted to.

https://www.jeepcommander.com/forums...operation.html

[Windex]

That's exactly the head scratching I've been doing Clarky! Been reading a few of CMDR Jim's threads on his conversion as it seems that he has done the most exploratory work on the NV245 that I've found. As the NV245 uses a Torsen center aided by a clutch pack lock up that it now makes total sense why cars stall when the CVs break as the car is seeing no motion at the wheels so in its mind there is no need for sending more power to the rear.

My plan is to see if we can piggyback something in there to trigger lock manually for these kinds of cases, I am sure that it would trigger some codes but I've got a BlueDriver to remove them.

[TyronR]

Here's an update on my CV situation. The two replacement shafts I bought have the exact same part number on them as the repco ones, they have just been re-branded, have a different model number, and have a higher price. Also had one pop out, so took the opportunity to have a look (as it would not slide back in, took considerable force to get it to) and have a look at this weak design. 3 roller bearings. This is why it binds up, and this is the passenger side which actually seems to have more articulation than the other ones I bought.

So I need to either buy 2nd hand ones from the wreckers for $300-$400 each side, or for the same price as brand new original ones, RCV ones.

I am also having issues returning these two now since although I specifically told them I don't want the repco ones and asked for datasheets so I know they are a different manufacturer, which they could not provide, they assured me they were better brands. They want me to pay return freight and charge a 30% restocking fee which is ridiculous however Repco is happy to refund their two minus the original freight (which I am okay with).

Originally Posted by Clarky

The manipulation of the clutch packs is done by the transfer case motor, you would need to find a way of getting the T/C motor to lock in the right position to give you 4H-locked. This would give you the ability to drive without the front prop shaft.

Problem
1 getting the T/C motor to stop in the right position.
2 Avoiding limp mode when the electronics detect the transfer case is stuck in the wrong position.
3 Affording enough beer to pay the genius who can figure it out.

Read this, its an example of how it is theoretically possible and Jeep could have given us 4H-LOCK if they wanted to.

https://www.jeepcommander.com/forums...operation.html

Thanks for that info, so this may be worth looking into. I am fairly familiar with electronics, and if it is as simple as a motor and a potentiometer, I could definitely design my own plug-in module if I can get my hands on a transfer case. I'd even go as far as sending the original signal back to the ECU and maybe avoid the issues he was having.