Anybody change the rear axle fluid in their JK? - JeepForum.com

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post #1 of 32 Old 08-26-2011, 11:33 AM Thread Starter
MrMundo
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Anybody change the rear axle fluid in their JK?

I am looking for any words of wisdom.

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post #2 of 32 Old 08-26-2011, 11:46 AM
Tireguy
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Pretty simple. A 3/8ths ratchet, drain/catch pan, new fluid, favorite beverage.

Remove drain & fill plug, drain fluid, enjoy beverage while fluid drains, replace drain plug, fill with clean oil, replace fill plug, clean up mess, take nap.
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post #3 of 32 Old 08-26-2011, 12:24 PM Thread Starter
MrMundo
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Thanks Tireguy

Sounds like it should be fairly straight forward. I already have inclinations on the type of beverage I will enjoy, any suggestions on the axle fluid?
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post #4 of 32 Old 08-26-2011, 12:53 PM
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80W90
If you have Trac-Lock don't forget the additive.
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post #5 of 32 Old 08-26-2011, 12:59 PM
BigNunz6
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http://www.jeepforum.com/forum/f96/c...ahara-1004085/ here's a link ..

If you like it, buy it!!!!
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post #6 of 32 Old 08-26-2011, 01:36 PM
Tireguy
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Lots..and lots...and lots..of good products on the market, and even more threads about who-likes-what in their Jeep.
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post #7 of 32 Old 08-26-2011, 01:38 PM
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I'd drive for 15 minutes first, then try to drain on a level and let it drain, while you take a 10 minute break, then use a good Synthetic 75w-90, unless you tow, then use 75w-140 and most of the good synthetics have the LSD additive anyway--

I use Valvoline 75w-140 !!

Good luck

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post #8 of 32 Old 08-26-2011, 02:23 PM
jrmandryck
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I agree to drive it for a bit just to warm it enough so that it comes right out

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post #9 of 32 Old 08-26-2011, 03:27 PM
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god I love the smell of gear oil in the morning!
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post #10 of 32 Old 08-26-2011, 04:48 PM
DontFearJeeper
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if its a rubicon i suggest removing the diff cover and cleaning it out with some brake cleaner. this will help the locker work better, if you have a lsd i would still do the same, it gets really nasty in there this will help keep things togather longer.

make sure you use synthetic fluid this helps a ton.

just my


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post #11 of 32 Old 08-26-2011, 07:28 PM
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Wear some disposable gloves. The old gear lube stinks...

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post #12 of 32 Old 09-10-2011, 02:16 PM
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Quote:
Originally Posted by MrMundo View Post
I am looking for any words of wisdom.
If you have a Dana 35, you have to remove the differential cover to drain the oil. Spray with carb cleaner and let drain thoroughly.

If you have a Dana 44, just remove the upper and bottom plug and drain. Spray some carburetor cleaner into the upper and lower drain holes, and drain thoroughly. Service with 75w90 diff oil. I prefer Mobil 1 Synthetic.....
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post #13 of 32 Old 09-10-2011, 04:31 PM
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Quote:
Originally Posted by DontFearJeeper View Post
if its a rubicon i suggest removing the diff cover and cleaning it out with some brake cleaner. this will help the locker work better, if you have a lsd i would still do the same, it gets really nasty in there this will help keep things togather longer.

make sure you use synthetic fluid this helps a ton.

just my


Brandon
At 30k my Sahara with LSD the fluid looked terrible on the way out! The magnet was covered in crap! Probably gonna get a lubelocker gasket next time I do it and pull the whole cover.

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post #14 of 32 Old 09-10-2011, 06:46 PM
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I'd sorta suggest a pump that fits on the bottle so you can pump in the gear oil. This worked great till I had to change to the next bottle. Then it got a little messy lol. It's kinda like stinky honey. Gets on yer fingers, then on yer jeans, then in your hair, etc etc.

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post #15 of 32 Old 09-10-2011, 07:19 PM
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I'm having a hard time trying to figure out your troubles, in the diff. fluid installation !

They make the qt bottles with a narrow spout and a trimable tube so you can just insertit in the fill hole--I haven't had any troubles !!

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differential , differential fluid change , rear axle , rear axle lubricant

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