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Will be changing all gear and ATF lubes in my '15 Grand Cherokee #5447750 06/06/20 02:35 PM
Joined: Dec 2003
Posts: 225
J
Jeffrey Behr Offline OP
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J
Joined: Dec 2003
Posts: 225
It has only 42000 miles on it, but I like to do better maintenance than the minimum.. Finding the T-case model number took a while, but my goodbuddymechanic was persistent; it's an MP3023.
Planning to use all Red line-recommended oils--75W85 GL-5 Gear Oil in the front and rear diffs, D6 ATF in the 8-speed autotrans (which I LOVE), and C+ ATF in the transfercase.

Anyone have any comments or crticisms?



Last edited by Jeffrey Behr; 06/06/20 02:42 PM.

"Everything that can be counted does not necessarily count; everything that counts cannot necessarily be counted." William Bruce Cameron.
Re: Will be changing all gear and ATF lubes in my '15 Grand Cherokee [Re: Jeffrey Behr] #5447757 06/06/20 02:56 PM
Joined: Jul 2005
Posts: 13,200
dave1251 Offline
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Posts: 13,200
The only thing I will add is if you trust Red Line go for it.


make the inside of your engine oil cap white.
don't use.
Re: Will be changing all gear and ATF lubes in my '15 Grand Cherokee [Re: Jeffrey Behr] #5447764 06/06/20 03:17 PM
Joined: Jan 2003
Posts: 986
newtoncd8 Offline
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Posts: 986
I recently changed out the front/rear differential and transfer case. I used Ravenol 75W85 GL-5 (with LS included) and Ravenol ATF+4 and it was a pretty straight forward process. I paid a shop to do the fluid exchange using the same ATF+4 Ravenol product. Jeep is running great. Good luck with your Red Line product, I am sure it will work great.


12 Jeep GC, 04 Lexus RX330, 77 MG-B
Re: Will be changing all gear and ATF lubes in my '15 Grand Cherokee [Re: Jeffrey Behr] #5447795 06/06/20 04:12 PM
Joined: Dec 2004
Posts: 1,802
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Slick17601 Offline
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I would use the ZF transmission fluid.


2018 RAM Bighorn 5.7
2008 Toyota Sienna 3.5
Re: Will be changing all gear and ATF lubes in my '15 Grand Cherokee [Re: Jeffrey Behr] #5447888 06/06/20 06:55 PM
Joined: Apr 2018
Posts: 1,164
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joekingcorvette Offline
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Joined: Apr 2018
Posts: 1,164
The manual for my 2014 recommends it will go to 100,000 miles or more. I am doing mine real soon and it just hit 62 rounds. IMO it' not worth risking a $4500.00 tranny for the price of a fluid filter change.


2005 Chevrolet Corvette
2014 Ford F-150 4x4 supercrew
2014 Jeep Grand Cherokee Limited (wifes)
2012 Honda Civic 4 door (my daily driver)
2007 Lund Tyee Grand Sport Mercury 115HP 9.8HP
Re: Will be changing all gear and ATF lubes in my '15 Grand Cherokee [Re: Jeffrey Behr] #5447947 06/06/20 08:29 PM
Joined: Sep 2010
Posts: 8,686
2015_PSD Offline
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Posts: 8,686
If you tow, I would recommend that you consider upping the viscosity in the rear axle to 75W-110 or 75W-140.


2019 o)|||||(o Rubicon Wrangler Unlimited 3.6L V6 [Kendall GT-1 Max + Ultra]
2018 Mercedes Benz C300 2.0L Turbo [Pennzoil Platinum + Mann filter]
Re: Will be changing all gear and ATF lubes in my '15 Grand Cherokee [Re: Slick17601] #5447969 06/06/20 08:57 PM
Joined: Oct 2004
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dwcopple Offline
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Originally Posted by Slick17601
I would use the ZF transmission fluid.

+1


2017 Acura MDX SH-AWD
2011 Chrysler 200 Limited 3.6L V6
1998 Mustang GT 4.6L V8 convertible
2019 VW Jetta SEL 1.4T
Re: Will be changing all gear and ATF lubes in my '15 Grand Cherokee [Re: dwcopple] #5447980 06/06/20 09:10 PM
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nwjones18 Offline
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Originally Posted by dwcopple
Originally Posted by Slick17601
I would use the ZF transmission fluid.

+1


I know verndiesel over on the ram forums has something like 500k on his Ram 1500 eco diesel/zf towing airstreams and he says he's been using maxlife atf for the last 300k and has never had any issues with the trans. Changes fluid every 60-100k. Whenever I get around to doing the fluids on my Ram (I'm not messing with it until I'm out of warranty, and probably not until 10yrs or 100k) I'll be putting maxlife in the trans.


2016 Ram 1500 5.7 Hemi 30k QSUD 5w-20 Mopar filter
2008 Honda CRV 125K QSUD 5w-20 Fram ultra
2007 Mazda 3 2.3 130k 5w-30 syn-blend Denso filter
1988 F-150. 4.9 I6 251k. 10w-40 QSHM Motorcraft FL1A

Re: Will be changing all gear and ATF lubes in my '15 Grand Cherokee [Re: Jeffrey Behr] #5449703 06/09/20 12:30 PM
Joined: Aug 2003
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JTK Offline
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Assuming I get around to it this summer, I'll be changing out the ATF and pan/filter assembly on the ZF8 in my pentastar powered Ram 1500 and my plan is to use a ~$60 mail-order pan kit and Maxlife ATF that is "suitable" for ZF8 use per Valvoline's wording. Take that as you will of course. I personally don't fear "suitable for use" fluids when it's coming from a name brand product because I've never experienced an issue using them.

Like mwjones stated above, I too have seen a few youtube videos of guys using Maxlife ATF in ZF8s in various FCA and BMW applications.


2019 Nissan Pathfinder SV
2017 Ram 1500 4x4, 3.6L.
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