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Old 11-01-2010, 11:21 PM   #1
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is rear LSD standard??

Hi guys, I'm new here. I'm planning to buy my new Wrangler soon, I'd like an Unlimited X or Sahara (MY 2010).

My question is... do these models come with a rear limited-slip diff from the factory?? or is the LSD optional?? I'm not talking about true lockers like the ones in the rubi... just simple LSDs.

The thing is if it's optional, I doubt I'll be able to get one here in my Country... I bet the dealers would just get the one with the open diff and sell it, without any possibility to special-order one with an LSD.

Thanks in advance,
Cheers!!

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Old 11-01-2010, 11:48 PM   #2
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Quote:
Originally Posted by Hannon View Post
Hi guys, I'm new here. I'm planning to buy my new Wrangler soon, I'd like an Unlimited X or Sahara (MY 2010).

My question is... do these models come with a rear limited-slip diff from the factory?? or is the LSD optional?? I'm not talking about true lockers like the ones in the rubi... just simple LSDs.
As far as I know, LSD is an option on Sahara and X. A few people think that it's a waste of money, because TCS does the same job and it comes standard on all JKs. I lean that way too, and I wish to know what the advantage of LSD in JK would be (I'm assuming a Torsen type LSD, not a viscous).

Note that this argument assumes that TCS works properly on JK. I have RAV4 before and TCS there had enough delay to let me bury the car in a soft ground. So e.g. it works great if you are on a relatively firm ground and get one wheel in the air. I suppose if the computer is slow like that LSD would help noticeably.

-- Pete

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Old 11-02-2010, 06:03 AM   #3
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Quote:
Originally Posted by Hannon View Post
Hi guys, I'm new here. I'm planning to buy my new Wrangler soon, I'd like an Unlimited X or Sahara (MY 2010).

My question is... do these models come with a rear limited-slip diff from the factory?? or is the LSD optional?? I'm not talking about true lockers like the ones in the rubi... just simple LSDs.

The thing is if it's optional, I doubt I'll be able to get one here in my Country... I bet the dealers would just get the one with the open diff and sell it, without any possibility to special-order one with an LSD.

Thanks in advance,
Cheers!!
The Sport (it's no longer called X for 2010 ) and Sahara models have an option for the Trac-Loc LSD, but it's not standard.

Many people will say that it's not that great of an LSD compared to other options out there, but I say the extra $260 I paid for it might not even cover the labor alone on an aftermarket option. But I've had my Jeep less than a week, so I haven't been in any situations yet that would test that LSD.
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Old 11-02-2010, 08:14 AM   #4
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I paid the extra $$$ and ordered the LSD on my 2010. I have a "driveway from hell" that is very steep and gravelly, so all of my cars, past and present, have been ordered with AWD/4WD and/or LSD.

With the Jeep I find that with the TCS engaged I get wheel slippage on the driveway (although not a lot), but with the TCS switched off I get no slippage at all. As the owner's guide suggests switching off the TCS when on a gravelly surface, that's not a surprise to me. Maybe I need to borrow a Jeep without the LSD to see if that's why I can climb out of the driveway without slipping a wheel??!
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Old 11-02-2010, 08:27 AM   #5
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Why don't you tell us what country you're in ??

They may not even get JEEPS there !!

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Old 11-02-2010, 08:33 AM   #6
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Why don't you tell us what country you're in ??

They may not even get JEEPS there !!

JIMBO
doubt they'd have dealers if they couldn't get Jeeps...
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Old 11-02-2010, 08:36 AM   #7
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Then if they have dealers--


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doubt they'd have dealers if they couldn't get Jeeps...
Why doesn't he ask them, wouldn't that be more factual ??

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Old 11-02-2010, 09:00 AM   #8
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Hannon, as I said, check with your closest dealer, but


Quote:
Originally Posted by Hannon View Post
Hi guys, I'm new here. I'm planning to buy my new Wrangler soon, I'd like an Unlimited X or Sahara (MY 2010).

My question is... do these models come with a rear limited-slip diff from the factory?? or is the LSD optional?? I'm not talking about true lockers like the ones in the rubi... just simple LSDs.

The thing is if it's optional, I doubt I'll be able to get one here in my Country... I bet the dealers would just get the one with the open diff and sell it, without any possibility to special-order one with an LSD.

Thanks in advance,
Cheers!!
As all auto makers change options--in '08/'09 the Trac-lok limited slip rear--was OPTIONAL, but

No telling what they've done in 2011

Good luck

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Old 11-02-2010, 11:16 AM   #9
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It's still optional for 011.
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Old 11-02-2010, 05:42 PM   #10
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It's still optional for 011.
yep, still optional
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Old 11-02-2010, 07:12 PM   #11
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Then if they have dealers--




Why doesn't he ask them, wouldn't that be more factual ??

JIMBO
Hi Jimbo, I'm from Chile, I selected Australia when I registered here cause their auto market is the most similar to ours here in South America. I already asked at the dealer, the guy had no idea what a limited-slip was. He told me "only the rubicon has locking diffs". You know, they're not Jeep fans like us, these guys just work there and try to sell cars to an average customer, which is not so difficult as almost all Wranglers down here are bought, sadly, as school buses by cool moms.

So, my best chance of getting an LSD with my Sahara or Sport Wrangler (I ruled out the rubi cause we can only get it with the petrol V6, and I want the 2.8CRD engine, which is only available for the Sport and Sahara models) would be if it came as standard equipment.

However, now that you guys have pointed it out, maybe the TCS would do fine. I would mostly offroad in sand dunes and snow during the winter, maybe the TCS would be enough in those conditions??

Thanks again guys,
Cheers!!
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Old 11-02-2010, 08:10 PM   #12
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Damn, no wonder you have to wonder about these details-


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Originally Posted by Hannon View Post
Hi Jimbo, I'm from Chile, I selected Australia when I registered here cause their auto market is the most similar to ours here in South America. I already asked at the dealer, the guy had no idea what a limited-slip was. He told me "only the rubicon has locking diffs". You know, they're not Jeep fans like us, these guys just work there and try to sell cars to an average customer, which is not so difficult as almost all Wranglers down here are bought, sadly, as school buses by cool moms.

So, my best chance of getting an LSD with my Sahara or Sport Wrangler (I ruled out the rubi cause we can only get it with the petrol V6, and I want the 2.8CRD engine, which is only available for the Sport and Sahara models) would be if it came as standard equipment.

However, now that you guys have pointed it out, maybe the TCS would do fine. I would mostly offroad in sand dunes and snow during the winter, maybe the TCS would be enough in those conditions??

Thanks again guys,
Cheers!!
Think about your transfer of registration and licensing, if you're outta that country in a 1/2yr time !!, you know Diesel Vs gas --

If your getting a manual tranny--OK, but

If you're getting an Auto and you're doing DUNES, you'll have to do cooling modifications to keep the tranny from "toasting"--don't let them tell you it's been fixed, all they've done is put a "HOT OIL" warning light and a "LIMP MODE" shutdown of EVERYTHING, when she gets too hot--

Good luck and I don't even want to know the costs you're going thru !!

JIMBO
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Old 11-02-2010, 08:17 PM   #13
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Damn, no wonder you have to wonder about these details-




Think about your transfer of registration and licensing, if you're outta that country in a 1/2yr time !!, you know Diesel Vs gas --

If your getting a manual tranny--OK, but

If you're getting an Auto and you're doing DUNES, you'll have to do cooling modifications to keep the tranny from "toasting"--don't let them tell you it's been fixed, all they've done is put a "HOT OIL" warning light and a "LIMP MODE" shutdown of EVERYTHING, when she gets too hot--

Good luck and I don't even want to know the costs you're going thru !!

JIMBO
Sorry Jimbo, I didn't understand what you meant there in bold. Could you please explain a bit more??

We only get Auto transmissions down here so... is the rubi's auto tranny different from the other models?? or both will need some cooling mods??

Thank you!!
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Old 11-02-2010, 08:24 PM   #14
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Hannon.....Get the LSD. You'll be sorry you didn't.
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Old 11-02-2010, 08:42 PM   #15
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I meant that if you wanted to keep the JKU and LEAVE that country--be carefuil of the Diesel/gas vehicle acceptance, wherever you're going !!


Quote:
Originally Posted by Hannon View Post
Sorry Jimbo, I didn't understand what you meant there in bold. Could you please explain a bit more??

We only get Auto transmissions down here so... is the rubi's auto tranny different from the other models?? or both will need some cooling mods??

Thank you!!
As far as the Auto and sand--there have been numerous tranny burnouts with the JK and the stock cooling system "HEAT"--

If you're using it in dunes you have to modify the stock cooling sys-at least put an aux cooler in front of the radiator/A/C condenser-



I've taken it a step further, by adding a race cooler (finned alum) underneath the radiator-



They both get plenty of air flow and my auto temp rarely (climbing hills,desert) and freeway-gets over 170 degrees-

If you google "Jeep JK, transmission aux cooler" you will get pages of info on installation and parts

Your warranty may cover it one time, I wouldn't know about the chances where you are !!

Good luck

JIMBO
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Old 11-02-2010, 09:10 PM   #16
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However, now that you guys have pointed it out, maybe the TCS would do fine. I would mostly offroad in sand dunes and snow during the winter, maybe the TCS would be enough in those conditions??

Thanks again guys,
Cheers!!
No personal experience in snow (yet), but I've seen threads that talk about it in mixed snow/dry road conditions and the authors claim that the TCS is so good they don't need to switch between 4WD and 2WD as they get to dry pavement. They just leave it in 2WD all the time.
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Old 11-02-2010, 09:13 PM   #17
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We only get Auto transmissions down here so... is the rubi's auto tranny different from the other models?? or both will need some cooling mods??

Thank you!!
The auto transmissions are the same for all JK Jeeps. The Rubi has a lower range transfer case (4:1). There seems to be consensus that Autos that are used in sand need auxilary transmission coolers. Low range and lower gears area a must in sand to prevent auto transmission overheating.
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Old 11-03-2010, 02:51 PM   #18
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Today they told me at the dealer I'd have to wait several months if I wanted to special order a model with Trac-lock... aaaggghhh living so far down here sucks hahaha.

Suddenly a 4runner is starting to make more sense to me... all the models we get here (SR5, limited) come with an LSD from the factory.

FJ is absolutely NOT an option... just too ugly IMHO.

The thing is I'd love to have the new 2.8CRD with 200hp... it'll get far better mileage than the 4runner...

So now the question would be... 4.0 V6 4runner with LSD v/s 2.8 CRD Wrangler Unlimited without LSD...

I know I'm in a Wrangler forum and that I won't find many people recommending a Toyota here... but does anybody have any objective suggestions?? I'd be very thankful.

Cheers.
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Old 11-03-2010, 03:51 PM   #19
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I'd rather have a Jeep without wheels than a Toyota WITH em!



If I was you, in that case, I'd just do without the LSD
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Old 11-04-2010, 05:11 AM   #20
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I would go ahead and get the Jeep. It's obvious that's what you really want and then you won't have to settle on a choice of vehicles. See how it performs and if you're not happy you can always add the LSD and the aux. cooler later. My guess is you'll have no problems but you'll have the vehicle you really want.
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Old 11-04-2010, 09:03 PM   #21
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I would go ahead and get the Jeep. It's obvious that's what you really want and then you won't have to settle on a choice of vehicles. See how it performs and if you're not happy you can always add the LSD and the aux. cooler later. My guess is you'll have no problems but you'll have the vehicle you really want.
Thanks guys.

Yes rubirush, I'm quite sure a Wrangler is what I really want. I hope it's not too hard to add the LSD later in case I need it... my main worry is that an aftermarket LSD might interfere with the TCS and stuff... but well, I might not even need it.

I got a little scared now that I saw a few videos of the "Death Wobble"... but I don't plan to lift my JK, and with good drivetrain maintenance I guess it shouldn't be a problem.

Hope I can test drive a 2011 model soon and see if it really is less noisy inside as they have stated.

Any other ideas and opinions about aftermarket LSDs, death wobble, etc. are welcome.

Thanks!
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Old 11-04-2010, 09:22 PM   #22
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Death wobble is caused by excessively big tires and lifting. You'll be fine on that one.
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Old 11-04-2010, 09:34 PM   #23
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Death wobble is caused by excessively big tires and lifting. You'll be fine on that one.
Death wobble can happen on any vehicle with a solid front axle i believe. Its not just jeep specific.
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Old 11-04-2010, 10:01 PM   #24
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Yes....You're correct. But it's almost always after market additions. Or severly worn parts.

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