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  1. #11
    JK Jedi Master ronjenx's Avatar
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    Quote Originally Posted by lensstj View Post
    Brought my 2012 4 Door Automatic Rubicon to the dealership as it would not drive in 4 Lo. Basically would roll down hill then skid the tires and do this over and over. After a few visits to the service dept and a overnight in the bay they found that I have the wrong Transfercase. It has the 2.72 gearing versus 4.1 and the computer didn't know how to handle it in 4 lo since it was suppose to have a 4.1.
    Just passing for SA something you all should consider checking
    Here is a pic of the Tcase on my 2012 Rubicon...
    Attachment 297090
    I'm not sure the computer cares if it's 2.72:1 or 4:1 People have switched and it was seamless.
    08 Rubicon Unlimited
    Auto Transmission

  2. #12
    JK Enthusiast OutlawJK's Avatar
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    I would ask for a new jeep
    Probably a Sport with rubicon stickers
    Who knows what else they forgot to install
    Do you have the sway bar disconnects and lockers??


    Sent from my iPhone

  3. #13
    Moderator deathboyardee's Avatar
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    Quote Originally Posted by ronjenx View Post
    I'm not sure the computer cares if it's 2.72:1 or 4:1 People have switched and it was seamless.
    It must when using the hill decent feature in 4-LO. I don't think it would matter in 4-HI as both cases are geared I believe he same in that regard.
    DeathBoyardee

    2013 10A JKR ANVIL

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  4. #14
    JK Freak Shortbuss's Avatar
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    Wow crazy! Wonder which lucky bugger got the rubi tcase.
    07 Wrangler X JKU Stone White
    Mopar Rock Rails.
    Teraflex 2.5" BB
    K&N CAI
    Shrockworks front and rear... yes I waited a long time and yes I am more than happy with them!!

  5. #15
    JK Enthusiast JamesWyatt's Avatar
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    Holy cow. Check your front axle

  6. #16
    JK Super Freak ToolManTimTaylor's Avatar
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    Quote Originally Posted by v10sport View Post
    Almost sounds like it may have mismtched gears in the axles too. Wonder if someone took it for a test drive and did a quck parts swap

    And this:


    Quote Originally Posted by OutlawJK View Post
    Probably a Sport with rubicon stickers
    Who knows what else they forgot to install
    Do you have the sway bar disconnects and lockers
    Worst part is that EITHER of these can be true Effin' sad but there have been instances in the past. Hope to god not the truth (Dealer trying to recover from your last Rubi) or it is time to release the krakken (And no not Cop's either LOL)
    "I don't plan on rolling it lol but then again who does" - JRFire1317
    '10 Surf 2Door Rubicon

    2011 JKU LS v8 POWER! 6.2 Liter!
    ProRock 44 , 3" BDS W/Fox 2.0's RCV's And Shafts , 4:10's , 1350 DS's, TruckLites Phaze 7s , ARB Locker, Teraflex full Big Brake kit

    '01 Cummins Diesel burnout lightly tuned Video

  7. #17
    JK Enthusiast lensstj's Avatar
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    Quote Originally Posted by deathboyardee View Post
    It must when using the hill decent feature in 4-LO. I don't think it would matter in 4-HI as both cases are geared I believe he same in that regard.
    It does not matter in 4 Hi only 4 Lo and I didn't have to engage hill decent.
    Ref the poss of a swap, the jeep did not sit on the dealers lot it came from the factory this way. I plan to check the rotation of the tires to the drive shaft to see if I have the right gearing. Should be one turn of the tire to a little over 4 turns of the shaft if I understand correctly. It has the swaybar disco and the buttons for lockers. I will have to check the lockers when I can drive it in 4 lo.
    I asked the dealer to pull the diff covers to make sure my gears were not what was locking up and causing damage. I will be able to see the locker but other then turning the tire I am not sure how to tell if they are 4.10's Anyone?

  8. #18
    JK Super Freak
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    Your test you mentioned is correct -- except you actually want to do two complete turns of the tire, while counting the revolutions of the driveshaft.

    I can't help but (half jokingly) wonder if Chrysler erred in my favor with my Sahara. Never thought to look, I just know 4-lo is ridiculously low.
    Sold: '07 Sahara. Black, M6, power, 4.10's, dual-tops, tow.

  9. #19
    JK Super Freak JK-Tex's Avatar
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    Three words: Free Extended Warranty. Seriously.

  10. #20
    JK Freak m998dna's Avatar
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    That's a major quality and compliance issue .... I would demand a new vehicle or take it to the media.

    Maybe the loaded employees will get a 6.4 Hemi mixed up with a 3.6L.. quick, everyone check under the hood.

    :: 2013 Wrangler JKU 3.6L DOHC - order TBD
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    :: 1991 Cherokee Laredo 4.0L HO - resto in-process
    :: 2010 Cherokee SRT8 6.1L Hemi - sold
    :: 1965 Plymouth Sedan 562ci Hemi - sold
    :: 2005 Toyota Land Cruiser - lemon law'd

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