Does the WKII have quadra-drive? - JeepForum.com
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Unread 11-12-2010, 05:02 PM   #1
diver110
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Does the WKII have quadra-drive?

I was fooling around on the Jeep site and noticed that quadra-drive II did not come up as an option or appear to be standard. Was there a transmission change or is the site missing something?

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Unread 11-12-2010, 05:50 PM   #2
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yes the new GCs have them as an optional
http://www.jeep.com/en/4x4/how_systems_work/
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Unread 11-12-2010, 06:06 PM   #3
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Thanks. I knew about that link, but the option does not show up under "build your own" on the Jeep site. Odd.
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Unread 11-12-2010, 06:08 PM   #4
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yeah thats why we have Jeep dealerships to help you pick that stuff out
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Unread 11-12-2010, 11:17 PM   #5
Texas WJ
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There is no front ELSD "locker" available on this version of Quadra-Drive though. It's a huge omission in my opinion. One that Jeep should promptly correct, but they won't.
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Unread 11-17-2010, 07:45 AM   #6
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If that what they call QDII is working as advertised then I do not see any problem.
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Unread 12-27-2010, 09:09 PM   #7
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Originally Posted by kreso View Post
If that what they call QDII is working as advertised then I do not see any problem.
True unless you've owned/driven a WK QDII system..
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Unread 12-28-2010, 08:04 AM   #8
vertcobra99
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Originally Posted by Texas WJ View Post
There is no front ELSD "locker" available on this version of Quadra-Drive though. It's a huge omission in my opinion. One that Jeep should promptly correct, but they won't.
so if doens't have a lsd in the front how can this be considered true 4X4.

How exactally does the front work when all the tires are spinning? only one tire spins? Does the system use some sort of braking on each tire to alow the other to spin? If so thats extremely disapointing.
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Unread 12-28-2010, 08:54 AM   #9
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Originally Posted by vertcobra99 View Post
so if doens't have a lsd in the front how can this be considered true 4X4.

How exactally does the front work when all the tires are spinning? only one tire spins? Does the system use some sort of braking on each tire to alow the other to spin? If so thats extremely disapointing.
Most "true" 4X4s have open front and rear differentials, a few have the option of a rear "locker", but what made the Grand interesting was the available front "locker". Most companies don't really offer that...save for Land Rover/Range Rover and the like.

Using the brakes to modulate wheel spin is fine for a lot of applications, what bothers me is that it's a momentum killer in the sand. All that said, it's still a great system.
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Unread 12-28-2010, 08:58 AM   #10
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I went through some deep snow this weekend (10" plus) and it did alright. The 18" stock tires aren't aggressive at all and with more aggressive tire it would have done a lot better.

Two things I didn't like:
1) The front end wheel hopped and I had to control speed (reduce) which made the hill I was going up hard to do slowly.
2) I did get stuck once and had to back and forth a couple times but what was annoying, with the tires spinning (mud/sand mode) if you spun to fast it lowered the vehicle, which then high centered me, I got out, but had to keep hitting the "UP" button on the suspension.

Oh, and another, if you were to hit any up and down quick bumps, the suspension would "top" out (no more travel for the tires to drop) and it sounded awful. Good for rock crawling, since you are going slow, but I wouldn't try flying through a mud hole or deep snow with it.....have to go slow for many reasons
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Unread 12-28-2010, 09:48 AM   #11
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Quote:
Originally Posted by vertcobra99 View Post
so if doens't have a lsd in the front how can this be considered true 4X4.

How exactally does the front work when all the tires are spinning? only one tire spins? Does the system use some sort of braking on each tire to alow the other to spin? If so thats extremely disapointing.
I was concerned about this too when considering the WK2. My previous vehicle was a JK Rubicon so I was very hesitant to give up the lockers. However, I had rarely used them and the places where I did are no places I would ever want to drive a WK2, at least if I was concerned about keeping it looking nice. Even so, the Quadra Trac II brake-locking is pretty effective when rock crawling. If that's what you consider a 'true 4x4' then get a Rubicon.
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Unread 12-28-2010, 10:42 AM   #12
psk31
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Quote:
Originally Posted by mrpositraction View Post
I went through some deep snow this weekend (10" plus) and it did alright. The 18" stock tires aren't aggressive at all and with more aggressive tire it would have done a lot better.

Two things I didn't like:
1) The front end wheel hopped and I had to control speed (reduce) which made the hill I was going up hard to do slowly.
2) I did get stuck once and had to back and forth a couple times but what was annoying, with the tires spinning (mud/sand mode) if you spun to fast it lowered the vehicle, which then high centered me, I got out, but had to keep hitting the "UP" button on the suspension.

Oh, and another, if you were to hit any up and down quick bumps, the suspension would "top" out (no more travel for the tires to drop) and it sounded awful. Good for rock crawling, since you are going slow, but I wouldn't try flying through a mud hole or deep snow with it.....have to go slow for many reasons
Interesting. Is there no way to "lock out" the automatic ride height setting when your in the thick of it? It seems like an oversight.
I'm wondering if it would be feasible to install a after-market locker (ARB or equiv.) in the front end of a WK2? I realize that this would not have the "smarts" of the WK elsd system, but it would be better than nothing. Has anyone looked at this?
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Unread 12-28-2010, 10:54 AM   #13
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Originally Posted by psk31 View Post
Interesting. Is there no way to "lock out" the automatic ride height setting when your in the thick of it? It seems like an oversight.
I'm wondering if it would be feasible to install a after-market locker (ARB or equiv.) in the front end of a WK2? I realize that this would not have the "smarts" of the WK elsd system, but it would be better than nothing. Has anyone looked at this?
I've never had this problem with mine when using the 'Rock' setting. However, a couple of times after turning the vehicle off and then back on it will go back to 'Auto' and lower itself. And if you are out of low range and get above a certain speed, maybe 20 or 30 mph, it will automatically lower itself from the off-road heights.

It would be nice to know if an aftermarket locker was available but for me the QTII system is good enough for the time being. What I'd really like to see ARB or someone else develop is a bumper with an integrated winch mount. But with the unibody WK2 that may prove to be difficult.
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Unread 12-28-2010, 11:13 AM   #14
mrpositraction
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Remember, I was still in 4 high (not 4 lo) so I am spinning tires more (faster) than you in 4LO
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Unread 12-28-2010, 11:02 PM   #15
Texas WJ
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Quote:
It would be nice to know if an aftermarket locker was available but for me the QTII system is good enough for the time being. What I'd really like to see ARB or someone else develop is a bumper with an integrated winch mount. But with the unibody WK2 that may prove to be difficult.
The ARB bumper possibility will rely primarily on perceived demand. The WK, WJ and ZJ all have ARB bumper options and they're unibody as well.



Lockers are another story...
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