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Originally Posted by lensstj
(Post 2933022)
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 :beer::beer: Here is a pic of the Tcase on my 2012 Rubicon... Attachment 297090 |
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 |
Originally Posted by ronjenx
(Post 2933343)
I'm not sure the computer cares if it's 2.72:1 or 4:1 People have switched and it was seamless.
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Wow crazy! Wonder which lucky bugger got the rubi tcase.
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Holy cow. Check your front axle :)
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Originally Posted by v10sport
(Post 2933342)
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:
Originally Posted by OutlawJK
(Post 2933496)
Probably a Sport with rubicon stickers
Who knows what else they forgot to install Do you have the sway bar disconnects and lockers |
Originally Posted by deathboyardee
(Post 2933540)
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.
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? |
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. |
Three words: Free Extended Warranty. Seriously.
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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. :gak: |
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