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post #1 of 89 (permalink) Old 03-07-2007, 02:51 PM Thread Starter
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How Jeep 4x4 Systems Work

Recently on the forum there have been questions concerning the different 4wheel drive systems and how they work. This is thoroughly explained on the Jeep website. Click on this link http://www.jeep.com/en/4x4/how_systems_work/

Last edited by jeep5253; 10-13-2011 at 11:05 PM.
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post #2 of 89 (permalink) Old 03-07-2007, 04:55 PM
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Re: How Jeep 4x4 Systems Work

Interesting link... I'd go with the QDII for the Commander. It seems like the only system that compares to the 4wd system on my current SUV.
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post #3 of 89 (permalink) Old 03-07-2007, 05:45 PM Thread Starter
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Re: How Jeep 4x4 Systems Work

Quadra-Drive is far superior to the 4x4 system on the 4Runner. I had considered buying a 4Runner, and although I really liked the Hill Ascent assist and Hill Descent assist on the 4Runner, I definitely prefer the QD to the 4Runners 4x4 system. And for 2008 the Commander will have Hill Ascent Control and Hill Descent Control just like the 4Runner.

Last edited by jeep5253; 09-11-2008 at 05:45 PM.
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post #4 of 89 (permalink) Old 03-07-2007, 05:50 PM
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Re: How Jeep 4x4 Systems Work

Ahhh jeep5253, you fell for his trap. I think he is just trying to get a rile out of us! Obviously the case since a toyota guy is hanging out on a Commander forum.

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post #5 of 89 (permalink) Old 03-07-2007, 05:54 PM Thread Starter
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Re: How Jeep 4x4 Systems Work

Yea, I know. He was on here a lot several months ago always bragging about how superior his 4Runner is. He took a lot of bashing and has been gone for awhile. Now that a lot of the members that are posting are new I guess he thinks he will try it again.
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post #6 of 89 (permalink) Old 03-07-2007, 06:13 PM
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Re: How Jeep 4x4 Systems Work

I went to that site a number of times as I went through the process of deciding to buy my Commander back in January. I have a jones for the Land Rover LR3, but strongly considered the 4Runner and Commander as poor man's alternatives. The information on that Website was crucial in helping me decide on the Commander; Toyota does not have anything like that online and I was disappointed. Car and Driver did a test with the 4Runner, Explorer, Grand Cherokee, Pathfinder and Touareg. That article and others I could find on the Grand Cherokee/Commander along with my test drives of the 4Runner and Commander solidified my decision to buy the Commander.

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post #7 of 89 (permalink) Old 03-07-2007, 10:01 PM
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Re: How Jeep 4x4 Systems Work

Quote:
Originally Posted by jeep5253
Yea, I know. He was on here a lot several months ago always bragging about how superior his 4Runner is. He took a lot of bashing and has been gone for awhile. Now that a lot of the members that are posting are new I guess he thinks he will try it again.
Actually, I'm a member here longer than any of you that posted so far... and I don't brag about the superiority of the 4Runner.

Good try, though.
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post #8 of 89 (permalink) Old 03-07-2007, 10:04 PM
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Re: How Jeep 4x4 Systems Work

Quote:
Originally Posted by jeep5253
Quadra-Drive is far superior to the 4x4 system on the 4Runner. .
So tell me what makes QD superior to the 4x4 system on the 4Runner.

Do you realize that it's basically the same thing? It can direct torque to a single wheel with traction, just like QD. It has a locking center differential, to keep the power distributed evenly between the front and rear axles. In short, QDII is the only system comparible to the 4Runner's system. And that's not bragging...it's just the facts.
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post #9 of 89 (permalink) Old 03-07-2007, 10:07 PM
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Re: How Jeep 4x4 Systems Work

Quote:
Originally Posted by olllllllo
Ahhh jeep5253, you fell for his trap. I think he is just trying to get a rile out of us! Obviously the case since a toyota guy is hanging out on a Commander forum.
Not at all... I'm a 4Runner owner who has been long considering the purchase of a Commander to add to our family. That is the main reason I joined this formum long ago, but I'm also an SUV enthusiast who likes to learn about all SUVs.
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post #10 of 89 (permalink) Old 03-07-2007, 10:29 PM Thread Starter
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Re: How Jeep 4x4 Systems Work

Quote:
Originally Posted by TR4Runner
Do you realize that it's basically the same thing? It can direct torque to a single wheel with traction, just like QD. It has a locking center differential, to keep the power distributed evenly between the front and rear axles. In short, QDII is the only system comparible to the 4Runner's system. And that's not bragging...it's just the facts.
This is from the Toyota website: "Full-time 4-wheel drive with Torsen® [2] limited-slip center differential with locking feature (V8 4WD models)". Since it only has a center limited-slip diff it can only shift power between the front and rear axles. QD has front & rear ls diffs in addition to a center diff and can therefore shift power from side to side in addition to front & rear. I will say no more on the subject.

Quote:
Originally Posted by TR4Runner
Not at all... I'm a 4Runner owner who has been long considering the purchase of a Commander to add to our family. That is the main reason I joined this formum long ago, but I'm also an SUV enthusiast who likes to learn about all SUVs.
Consider this your lesson for the day.

Last edited by jeep5253; 03-07-2007 at 10:41 PM.
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