I'm replacing the diff covers on my rubicon,what weight fluid do I need? - Jeep Wrangler Forum
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Old 08-11-2013, 10:55 AM   #1
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I'm replacing the diff covers on my rubicon,what weight fluid do I need?

I read the manual but was a little confused so wanted to make sure I got the right fluid.

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Old 08-11-2013, 10:59 AM   #2
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80-90 weight with limited slip additive. Danna 44 takes 2.3 qts. Dosent really matter if its conventional or synthetic. I used conventional.

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Old 08-11-2013, 11:37 AM   #3
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The owners manual states the grade, there's one for normal use and one for if you tow. Also note that with after market diffs you might need more oil vs stock...I put on ARB rear diff cover and needed almost 3 quarts. The ARB cover has a dip stick and I lined up to stock cover after i took it off and marked a line on the stick ahead of time so I knew I had the right amount of fluid.
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Old 08-11-2013, 12:07 PM   #4
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ARB's

I put on ARB's as well and they take more oil. If you are replacing the diff covers, make sure you clean off the crap that Jeep puts on them, replace them with Lube Locker Gaskets, and when torqing the bolts, only torque at 25 ft lbs each (not 35 like the manual says). I use Royal Purple 01301 Max Gear 75W-140 High Performance Synthetic Automotive Gear Oil.
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Old 08-11-2013, 12:21 PM   #5
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I went out and got valvoline 85w90 durablend with the limited slip additive in it, I saw in another tread were a guy recommended it.
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