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Old 01-23-2014, 11:02 AM
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Should I change diff fluid?

I noticed yesterday that my breather hose from my rear axle was off.

Have not done any deep water stuff, just rainy driving and a tiny bit of snow.

Should I swap fluid?

Thanks

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Old 01-23-2014, 11:06 AM   #2
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In a case like that I would err on the side of caution, but, that's me...

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Old 01-23-2014, 11:16 AM   #3
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I change it after each wheeling now. use cheap fluid , its actually easy, more so that the Oil.. i have not removed the covers and done a complete change, I will do that soon. i am currently waiting to regear to 5.13 and they will have to do all that when they change gears, so im not messing with removing the covers atm. but agree with he above poster, its pretty cheap and easy.. also i like getting under and keeping an eye on the underside of my Jeep, always good to get under often, and changing gear fluid is a good excuse..
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Old 01-23-2014, 11:19 AM
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Originally Posted by kcasey View Post
also i like getting under and keeping an eye on the underside of my Jeep, always good to get under often, and changing gear fluid is a good excuse..
Agreed 100%. I was under mine last night for the bumper install and laughed out loud (I actually did) at the damage to the skids.

Sign of good times!
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Old 01-23-2014, 11:23 AM   #5
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Remove the fill plug, put your little finger in and see if you can reach the gear oil. If the gear oil looks like gear oil, you are good. If it has a milky appearance, you want to change it. The action of mixing water and oil creates the nasty stuff and it sits on top of the gear oil. Water is heavier and will settle to the drain plug. But the gears turning churns it up into stuff and it sits on top.


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Old 01-23-2014, 11:43 AM   #6
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My local dealer has an express oil change svc. Last time I had it in there, they told me the diffs were do for a change. I wanna say they quoted like $150 (ea?). I chuckled.

I don't change my own oil just out of convenience/price factor... but $150 gets my attention. Now we're talkin money

I had it done once or twice on my TJ which had no drain plugs so you HAD to pop the covers. Woulda done it myself before paying for it again.
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Old 01-23-2014, 03:44 PM   #7
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Remove the fill plug, put your little finger in and see if you can reach the gear oil. If the gear oil looks like gear oil, you are good. If it has a milky appearance, you want to change it. The action of mixing water and oil creates the nasty stuff and it sits on top of the gear oil. Water is heavier and will settle to the drain plug. But the gears turning churns it up into stuff and it sits on top.


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^^^This, unless it is time for a change, per mileage and the type of usage!
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Old 01-23-2014, 06:13 PM   #8
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Quote:
Originally Posted by kcasey View Post
I change it after each wheeling now. use cheap fluid , its actually easy, more so that the Oil.. i have not removed the covers and done a complete change, I will do that soon. i am currently waiting to regear to 5.13 and they will have to do all that when they change gears, so im not messing with removing the covers atm. but agree with he above poster, its pretty cheap and easy.. also i like getting under and keeping an eye on the underside of my Jeep, always good to get under often, and changing gear fluid is a good excuse..
ditto...when in doubt, change it out!
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Old 01-23-2014, 09:49 PM
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Thanks everyone. Now I have a nice little weekend project.

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