Am I in need of a CV rear DS? - Page 2 - Rubicon Owners Forum
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post #11 of 20 (permalink) Old 01-06-2020, 08:00 AM
DAA
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I was responding to the guy who said: "Local shop said this is common problem with LJ 3 lift and 1 body lift and recommend changing to manual lockout hubs."

His local shop is feeding him a line of bull crap.

- DAA
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post #12 of 20 (permalink) Old 01-09-2020, 08:42 PM
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To the guy who called BS. Contact Mike Starkebaum at 4x4Land in Topeka Ks. He’s been doing it for 25 years and has an Rubicon LJ himself. I’d love to have different results.
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post #13 of 20 (permalink) Old 01-10-2020, 08:48 AM
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The recommendation to change to manual lockout hubs seems odd; I guess it could help if this is for the 3" suspension lift and 1" BL where the rear of the transfer case is aligned lower than the front output creating problems with the front driveshaft u-joints. Unlocking the hubs would prevent the front driveshaft from spinning while cruising down the road.
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post #14 of 20 (permalink) Old 01-10-2020, 09:33 AM
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^^ yeah, I don't get the manual hub recommendation either ^^

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post #15 of 20 (permalink) Old 01-10-2020, 10:59 AM
DAA
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I don't even get the claim that it's a common problem with LJs on 3" lifts. It's not.

- DAA
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post #16 of 20 (permalink) Old 01-12-2020, 07:45 PM Thread Starter
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Quote:
Originally Posted by johncanfield View Post
^^ yeah, I don't get the manual hub recommendation either ^^

Stops the front driveshaft from spinning which apparently is the cause of many people's driveline vibrations


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Originally Posted by DAA View Post
I don't even get the claim that it's a common problem with LJs on 3" lifts. It's not.

- DAA

I've read many accounts of LJs with 3" lift and a tummy tuck having driveline vibrations. It's certainly more common than I'd hope. I just don't know what causes the front DS vibrations.

-Ian-
05 Rubicon Sahara Unlimited #362. 6 speed | Hard & Soft top/doors | Anti-Rock | Hanson bumpers | PS Sliders | 3" Susp lift | Superlift shocks | 285/75-16 GY MT/Rs | Supa-cheapo winch | Banks cat-back | MCAI | SOLID diff covers | RE Hand Throttle | ORO LiteDots | ORF Sport Cage | Black Magic Brakes | Cobra 18WXSTII | Fancy seat covers
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post #17 of 20 (permalink) Old 01-13-2020, 09:18 AM
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Quote:
Originally Posted by stangmata View Post
Stops the front driveshaft from spinning which apparently is the cause of many people's driveline vibrations
Right, I got that but that's not addressing the root cause of the vibration. Having manual hubs would be great if you flat towed though.
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post #18 of 20 (permalink) Old 01-13-2020, 11:31 AM Thread Starter
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Right, I got that but that's not addressing the root cause of the vibration. Having manual hubs would be great if you flat towed though.


I agree. I also dont want to spend the money on a manual hub swap.

My plan is to rebuild the front DS. Maybe even give Woods a ring and talk to them. If that doesnt fix the vibes Ill go after the pinion angle. Im not sure what Ill do after that, but it may involve finding a way to tilt the drivetrain.


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-Ian-
05 Rubicon Sahara Unlimited #362. 6 speed | Hard & Soft top/doors | Anti-Rock | Hanson bumpers | PS Sliders | 3" Susp lift | Superlift shocks | 285/75-16 GY MT/Rs | Supa-cheapo winch | Banks cat-back | MCAI | SOLID diff covers | RE Hand Throttle | ORO LiteDots | ORF Sport Cage | Black Magic Brakes | Cobra 18WXSTII | Fancy seat covers
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post #19 of 20 (permalink) Old 01-16-2020, 08:04 PM
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I read on another forum that the root cause was the transfer case shaft out of balance. The guy went through all options and then tore into tcase and found it to be the cause of the vibrations. IDK. I’m putting mine on a trailer, running beadlocks and may get a Currie D-60 setup someday. Tired of spending money on mine for awhile. Gonna wheel it till something breaks. Moab in late spring, Ouray in late summer. 67 GTO conv project starts in spring. Lol You guys figure it out, let us all know. Peace
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post #20 of 20 (permalink) Old 01-16-2020, 08:34 PM
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Good luck with the Goat. That will be a treasure.
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Bill
05 LJR Sahara #486, 2.5" OME, 285/75/16 BFG ATs, Warn VR8000, HighRock front Bumper, RockHard rear bumper, MORE MML, JKS BL, UCF Aluminum Engine and Transfercase Skids, MCAI, Savvy CAs, Currie Steering.
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