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What differential fluid?? 2012 Rubi

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Old Aug 7, 2013 | 05:18 PM
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  #11  
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HogHoden
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From: Rogers, AR
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Rubi axles are NOT limited slip so you do not need the friction modifier additive.
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Old Aug 7, 2013 | 06:57 PM
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shabbernigdo
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redline 75W90 for me
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Old Aug 7, 2013 | 07:15 PM
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Per the 2012 manual: 80W-90 for the front and rear of your Rubi with the recommendation to use 75W-140 in the rear if doing trailer towing. I suppose you could go with the thicker stuff in both but it will cost you in fuel efficiency.
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Old Aug 7, 2013 | 07:28 PM
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How would I know if I have limited slip. I have a 2008 jk x. 44 in the rear. 30 in the front. And I suppose full both with the same oil
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Old Aug 7, 2013 | 07:41 PM
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Jeepstin12
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Originally Posted by Maertz
Plain motor oil.....
Huh???????
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Old Aug 8, 2013 | 11:21 AM
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Originally Posted by Jeepstin12

Huh???????
The additives if synthetic oils and gear oil don't pull the heat from the gears as well as plain motor oil...
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Old Aug 8, 2013 | 11:54 AM
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flhrc07
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Royal purple the u can get
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Old Aug 8, 2013 | 07:02 PM
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Originally Posted by Maertz

The additives if synthetic oils and gear oil don't pull the heat from the gears as well as plain motor oil...
Didn't know that. Not sure ill do it, but good to know.
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