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Thread: What are the weak links in the Rubicon JL drivetrain?

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    What are the weak links in the Rubicon JL drivetrain?

    What are the weak links in the Rubicon JL drivetrain?

    Got some front RCV axles coming in tomorrow. Have 35's on it now but going to run 37's soon

    How are the driveshafts holding up?
    Last edited by Hoffer; 05-09-2019 at 02:55 PM.

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    Resident Smartass OverlanderJL's Avatar
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    Quote Originally Posted by Hoffer View Post
    What are the weak links in the Rubicon JL drivetrain?

    Got some front RCV axles coming in tomorrow. Have 35's on it now but going to run 37's soon

    How are the driveshafts holding up?
    Could probably return the shafts and save the money.


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    2012 Jeep Jk - 37ís
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    Meme King WJCO's Avatar
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    Quote Originally Posted by Hoffer View Post
    What are the weak links in the Rubicon JL drivetrain?
    Not sure. Haven't really heard of any specifics as to 'weak' links as far as internal parts. If I could guess though, the plastic pinion roller bearing cage is a likely suspect. Anytime logic and critical thinking are thrown overboard to save a tree, I have my doubts in regards to durability.
    Last edited by WJCO; 05-10-2019 at 08:25 AM.

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    Quote Originally Posted by OverlanderJL View Post
    Could probably return the shafts and save the money.


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    So the stock Rubicon is indestructible?

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    Meme King WJCO's Avatar
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    Quote Originally Posted by Hoffer View Post
    So the stock Rubicon is indestructible?
    No. Several front axle housings have already broken.

    20181017110925-c29443c8.jpg

    20181017110922-004013ad.jpg

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    Been Around the Block LauraRose's Avatar
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    Quote Originally Posted by WJCO View Post
    Not sure. Haven't really heard of any specifics as to 'weak' links as far as internal parts. If I could guess though, the plastic pinion roller bearing cage is a likely suspect. Anytime logic and critical thinking are thrown overboard to save a tree, I have my doubts in regards to durability.
    ^^^This^^^

    Laura Rose from PA
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    Been Around the Block Rgk401's Avatar
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    Quote Originally Posted by WJCO View Post
    No. Several front axle housings have already broken.

    20181017110925-c29443c8.jpg

    20181017110922-004013ad.jpg
    Funny story I seen his Instagram video when he broke the front axle and letís just say that a PR44 would have bent. Dude was jumping hills about 60mph soooo the Jl rubicon isnít built for fast off road driving. That dude is hard on all his toys.. so Iím not surprised that the factory d44 broke.


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    Been Around the Block Rgk401's Avatar
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    Quote Originally Posted by Hoffer View Post
    What are the weak links in the Rubicon JL drivetrain?

    Got some front RCV axles coming in tomorrow. Have 35's on it now but going to run 37's soon

    How are the driveshafts holding up?
    Itís good to have a weak link! Itís easier to change out a axle shaft or drive shaft than a ring & pinion. Just saying


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    Meme King WJCO's Avatar
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    Quote Originally Posted by Rgk401 View Post
    Funny story I seen his Instagram video when he broke the front axle....Dude was jumping hills about 60mph
    Didn't know that. I've heard of a few others breaking from normal use (of course that was their statement). This picture was the easiest one that I could find here.

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    Quote Originally Posted by WJCO View Post
    No. Several front axle housings have already broken.

    20181017110925-c29443c8.jpg

    20181017110922-004013ad.jpg
    ^ That one does not really count. You got to try real hard to pull that one off

    Lets say what would normal breakage on hard MOAB trails (Pritchet canyon comes to mind) on stock drivetrain

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