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Old 09-24-2015, 07:54 PM
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Transfer case fluid change

Getting ready to do a TC fluid change on my '14 diesel. I have the MP3023 transfer case and WK2Jeeps specifies the capacity as 2.0 quarts of ATF+4. I've read a thread or two stating some people were able to get more than 2 quarts in before the level hit the fill port.

Want to make sure I have enough ATF+4 on hand before I drain...

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  #2  
Old 09-24-2015, 08:09 PM
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Re: Transfer case fluid change

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Originally Posted by MBDiesel View Post
Getting ready to do a TC fluid change on my '14 diesel. I have the MP3023 transfer case and WK2Jeeps specifies the capacity as 2.0 quarts of ATF+4. I've read a thread or two stating some people were able to get more than 2 quarts in before the level hit the fill port.

Want to make sure I have enough ATF+4 on hand before I drain...
Long as you have the minimum and generally fill it till starts running out the fill port.

Also take the fill port out first then the drain and make sure it's level surface.

so if you have the Quadra Lift Put in offroad 2 lock in place then climb under so it's level
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Old 10-31-2015, 11:35 AM
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Re: Transfer case fluid change

Thread revival.


My brother's 2015 3.0 is fast approaching 30K miles. Do you remember how bad the fluid looked? I think the owners manual says to just inspect it not change it so we are trying to figure out if he really needs to change it.
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Old 11-01-2015, 05:01 PM
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Re: Transfer case fluid change

Looks won't tell you anything. Typically, the OM indicates "check" for regular service or "replace" for severe service (towing, etc). It's so easy to do though, just swap it out. Easier than changing oil.
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Old 11-02-2015, 09:54 AM
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Re: Transfer case fluid change

THe fluid if drained will look like break in oil of small engine with tons of pearl in it from wear metals.

I would recommend you change it, 2 qts of fluid, 15 min and a beer as reward isnt much.
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Old 11-04-2015, 07:14 PM
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Re: Transfer case fluid change

So I ended up draining it and filling with the two quarts I had of ATF+4. Didn't make it to the fill hole so I had to drive the other car and get another quart. Seemed to take a few more ounces before the level hit the bottom of the fill port.

So, consistent with another member's experience on here, have three quarts of ATF+4 on hand when doing a T-case oil change on the MP3023 on the WK2.
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Old 11-05-2015, 03:54 PM
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Re: Transfer case fluid change

So for the differential fluid the rear is obviously easy but for the front differential and the transfer case do the mopar skid plates have to come off or are there access points to drain them without removing the skids?
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Old 11-05-2015, 05:00 PM
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Re: Transfer case fluid change

Front skid and acoustic panel need to come completely off for the front diff. The skid under the TC is the hardest one to get back in place so I undid all but one of bolts, loosened the last and pivoted it out of the way. It is possible to access the TC without removing the skid but there really is no way to cleanly drain it that way. It's also easier to refill with it out of the way.
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Old 11-05-2015, 05:25 PM
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Re: Transfer case fluid change

Quote:
Originally Posted by MBDiesel View Post
Front skid and acoustic panel need to come completely off for the front diff. The skid under the TC is the hardest one to get back in place so I undid all but one of bolts, loosened the last and pivoted it out of the way. It is possible to access the TC without removing the skid but there really is no way to cleanly drain it that way. It's also easier to refill with it out of the way.

Great thanks, so its 1.2 quarts of 05136035AB for the front diff and the rear with ELSD is 1.4 quarts of 68083381AA. So question does 68083381AA already have the modifier mixed in with it? and that's why its a different part number from the front?
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Old 11-06-2015, 02:59 AM
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Re: Transfer case fluid change

There are a few ways you can go about it. #1. Buy two of each. #2. Buy three quarts of 68083381AA and put it in the front diff as well. It doesn't care if the friction modifier is there or not. #3. Buy three quarts of 05136035AB (or other 75w-85 GL5) and add a bottle of 04318060AC friction modifier to the rear diff.

Or you can use something like Mobil1 75w-90 LS. It's significantly cheaper and works fine in the 2014+ axles, including ELSD as it has the FM pre-mixed. Some say the 90 weight performs a little better in high load applications with a very small penalty in fuel economy.
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Old 11-06-2015, 10:21 AM
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Re: Transfer case fluid change

Quote:
Originally Posted by MBDiesel View Post
Front skid and acoustic panel need to come completely off for the front diff. The skid under the TC is the hardest one to get back in place so I undid all but one of bolts, loosened the last and pivoted it out of the way. It is possible to access the TC without removing the skid but there really is no way to cleanly drain it that way. It's also easier to refill with it out of the way.
Thanks for the heads up.
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Old 11-06-2015, 10:34 AM
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Quote:
Originally Posted by MBDiesel View Post
There are a few ways you can go about it. #1. Buy two of each. #2. Buy three quarts of 68083381AA and put it in the front diff as well. It doesn't care if the friction modifier is there or not. #3. Buy three quarts of 05136035AB (or other 75w-85 GL5) and add a bottle of 04318060AC friction modifier to the rear diff.

Or you can use something like Mobil1 75w-90 LS. It's significantly cheaper and works fine in the 2014+ axles, including ELSD as it has the FM pre-mixed. Some say the 90 weight performs a little better in high load applications with a very small penalty in fuel economy.
The Mopar diff. stuff is pricey at least we don't need much of it. Unlike the cost for a fluid and filter change on the 8spd trans, now that is beyond ridiculous.
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