Speaking of being a 4x4 nerd... - 2014 - 2015 Jeep Cherokee Forums
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#1 (permalink) Old 12-03-2013, 10:43 AM
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Question Speaking of being a 4x4 nerd...

I read this on fourwheeler.com:

"With three different 4x4 systems the engineers found a way. With the Active Drive 1 system you are upgraded out of the 2WD status, but no low range is available. It is best for cute-ute buyers and mall cruisers or the occasional dirt road or trip to the ski resort. Next comes the Active Drive 2, which incorporates a low range of 2.92:1, effectively giving the Cherokee a 56.1 crawl ratio with the four-cylinder engine, which is even better than the (non-Rubicon) JK Wrangler. Finally, the Active Drive Lock 4x4 system (standard on the Trailhawk model) incorporates a locking center differential, sort of, a mechanical coupling instead of a viscous or clutch plate unit. But the best news, and the vehicle’s saving grace, is that the Trailhawk model also has a true mechanical locking differential (made by AAM) in the rear."

I haven't heard this before.....True?

2014 Trailhawk V6
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  • Every option except tow pkg and CD player
  • Ordered: Nov 9, 2013
  • Delivered: Jan 16, 2014
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#2 (permalink) Old 12-03-2013, 10:51 AM
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Originally Posted by ib516 View Post
I read this on fourwheeler.com:

"With three different 4x4 systems the engineers found a way. With the Active Drive 1 system you are upgraded out of the 2WD status, but no low range is available. It is best for cute-ute buyers and mall cruisers or the occasional dirt road or trip to the ski resort. Next comes the Active Drive 2, which incorporates a low range of 2.92:1, effectively giving the Cherokee a 56.1 crawl ratio with the four-cylinder engine, which is even better than the (non-Rubicon) JK Wrangler. Finally, the Active Drive Lock 4x4 system (standard on the Trailhawk model) incorporates a locking center differential, sort of, a mechanical coupling instead of a viscous or clutch plate unit. But the best news, and the vehicle’s saving grace, is that the Trailhawk model also has a true mechanical locking differential (made by AAM) in the rear."

I haven't heard this before.....True?
Yes, completely true. That's why the TH is such a capable vehicle. Nothing in its class comes close.

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#3 (permalink) Old 12-03-2013, 11:01 AM
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Finally, the Active Drive Lock 4x4 system (standard on the Trailhawk model) incorporates a locking center differential, sort of, a mechanical coupling instead of a viscous or clutch plate unit.
Actually that is wrong. There is no locking CENTER differential. There is a locking REAR differential. Otherwise it is identicle to the ADII system.

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#4 (permalink) Old 12-03-2013, 11:09 AM
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Originally Posted by Hudsonhawk View Post
Actually that is wrong. There is no locking CENTER differential. There is a locking REAR differential. Otherwise it is identicle to the ADII system.
That's what I was thinking....same 4x4 system, just with the addition of the rear locker. That's what all of the Jeep provided info says.

2014 Trailhawk V6
  • White exterior
  • Brown leather interior
  • Every option except tow pkg and CD player
  • Ordered: Nov 9, 2013
  • Delivered: Jan 16, 2014
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#5 (permalink) Old 12-03-2013, 12:26 PM
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Either way still very capable.
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