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2014 Grand Cherokee differential fluid #4774422
06/01/18 11:43 AM
06/01/18 11:43 AM
Joined: Nov 2009
Posts: 299
Ottawa, Canada
RageOfFury Offline OP
RageOfFury  Offline OP
Joined: Nov 2009
Posts: 299
Ottawa, Canada
I got ridiculously expensive quotes from various Jeep dealers in my area for "Mopar Gear and Axle Lubricant 75W-85". As such, I'm now looking at going with a 3rd party fluid brand.

The front and rear diffs on my Jeep call for Synthetic GL-5 75W-85. My Jeep doesn't have a LSD. What do you guys recommend fluid wise? I'm in Canada by the way if that makes any difference.

Thanks


2014 Jeep Grand Cherokee Limited V6 4x4
Re: 2014 Grand Cherokee differential fluid [Re: RageOfFury] #4774450
06/01/18 11:58 AM
06/01/18 11:58 AM
Joined: Aug 2017
Posts: 164
Displaced Texan in Mexico City
Gimpy1 Offline
Gimpy1  Offline
Joined: Aug 2017
Posts: 164
Displaced Texan in Mexico City
Any fully synthetic diff fluid from the major manufacturers should be fine. HOWEVER... most off the shelf (RP, Mobil1, Valvoline etc) gear oils have some percentage of friction modifier. Redline sells a fully synthetic gear oil that does NOT have any FM in it. Make sure you read the owners manual and see if you need any FM and which type to use, there is a "F" and a "G". You should be able to find most of these in Canada or possibly order them thru Amazon.

Re: 2014 Grand Cherokee differential fluid [Re: RageOfFury] #4774522
06/01/18 01:29 PM
06/01/18 01:29 PM
Joined: Jun 2012
Posts: 1,780
USA
oldhp Offline
oldhp  Offline
Joined: Jun 2012
Posts: 1,780
USA
I would use any synthetic 75W90 gear oil. Mobil 1, Red Line, Valvoline, etc. Going up to 75W90 instead of 75W85 will not hurt a thing. Your differential's don't require friction modifiers but most synthetic gear oil have that in them, again won't hurt a thing.

Last edited by oldhp; 06/01/18 01:31 PM. Reason: addn'

2018 RAM 1500 3.6/8 speed.
2017 Jeep Sahara Unlimited 3.6
"U kan't fixe it......if'n it ain't broke."
Re: 2014 Grand Cherokee differential fluid [Re: RageOfFury] #4774544
06/01/18 02:01 PM
06/01/18 02:01 PM
Joined: Feb 2003
Posts: 128
Los Angeles
timish Offline
timish  Offline
Joined: Feb 2003
Posts: 128
Los Angeles
I owned a 2012 Summit with the ELSD and V8. Currently I own a 2016 Summit with the Ecodiesel and the ELSD.

I used Mobil1 75w-90 in both vehicles and had no problems at all. Works with non ELSD and ELSD axles just fine.

ATF4 in the Transfer Case.

Very simple and inexpensive to maintain these capable rigs.

Good luck.


1973 Lincoln Coupe
2015 Prius 5
2012 Jeep Wrangler Unlimited Rubicon
2016 Jeep WK2 Summit EcoDiesel
2016 Dodge Challenger Hellcat
2010 Kawasaki C1400 ABS
Re: 2014 Grand Cherokee differential fluid [Re: oldhp] #4774723
06/01/18 04:47 PM
06/01/18 04:47 PM
Joined: Sep 2015
Posts: 2,529
Malaysia
zeng Online content
zeng  Online Content
Joined: Sep 2015
Posts: 2,529
Malaysia
Originally Posted By: oldhp
I would use any synthetic 75W90 gear oil.

+1

Re: 2014 Grand Cherokee differential fluid [Re: RageOfFury] #4774745
06/01/18 05:11 PM
06/01/18 05:11 PM
Joined: Nov 2009
Posts: 299
Ottawa, Canada
RageOfFury Offline OP
RageOfFury  Offline OP
Joined: Nov 2009
Posts: 299
Ottawa, Canada
Thanks for the advice! I can easily get my hands on either of the following

Valvoline SynPower Full Synthetic Gear Oil 75W-90
Castrol Syntec Full Synthetic Gear Oil 75W-90

Leaning towards the Valvoline...thoughts?


2014 Jeep Grand Cherokee Limited V6 4x4
Re: 2014 Grand Cherokee differential fluid [Re: RageOfFury] #4774771
06/01/18 05:32 PM
06/01/18 05:32 PM
Joined: Mar 2011
Posts: 421
new jersey
hemitruck Offline
hemitruck  Offline
Joined: Mar 2011
Posts: 421
new jersey
I would use redline.

Re: 2014 Grand Cherokee differential fluid [Re: RageOfFury] #4774830
06/01/18 06:31 PM
06/01/18 06:31 PM
Joined: Jun 2012
Posts: 1,780
USA
oldhp Offline
oldhp  Offline
Joined: Jun 2012
Posts: 1,780
USA
I put Valvoline 75W90 in my Jeep Sahara rear end. It has the factory posi clutch type differential with 3.73 gears, quiet as a church mouse.


2018 RAM 1500 3.6/8 speed.
2017 Jeep Sahara Unlimited 3.6
"U kan't fixe it......if'n it ain't broke."
Re: 2014 Grand Cherokee differential fluid [Re: RageOfFury] #4774886
06/01/18 07:35 PM
06/01/18 07:35 PM
Joined: Sep 2015
Posts: 2,529
Malaysia
zeng Online content
zeng  Online Content
Joined: Sep 2015
Posts: 2,529
Malaysia
Originally Posted By: RageOfFury
Thanks for the advice! I can easily get my hands on either of the following

Valvoline SynPower Full Synthetic Gear Oil 75W-90
Castrol Syntec Full Synthetic Gear Oil 75W-90

Leaning towards the Valvoline...thoughts?

I've no doubt this Valvoline 75W90 of [email protected]*C 100 cSt is a very robust oil.
However, I'm personally more inclined to Castrol Syntec 75W90 of [email protected]*C of 111 cSt never mind it's lower [email protected]*C of 15.0 cSt, typically in a differential application.
You won't go wrong with either though, in this desirable 'upgrade'.

Last edited by zeng; 06/01/18 07:36 PM.
Re: 2014 Grand Cherokee differential fluid [Re: RageOfFury] #4774983
06/01/18 09:14 PM
06/01/18 09:14 PM
Joined: Feb 2015
Posts: 813
Sask, Canada
BrianF Offline
BrianF  Offline
Joined: Feb 2015
Posts: 813
Sask, Canada
Check a local distributor for PetroCan or Mobil. I found the gear oil prices off the shelf at Cambodian Tire or Walmart were atrocious. north of 20$ a quart. If you have to buy at CC, check their Motomaster synthetic gear oils as they were around the 14$ a liter mark with taxes on sale. Their oils are either Shell or Citgo, which are top notch.

Out in the prairies I went to the local Co-op and got their full synthetic (group 4) 75w90 for about 8$ a liter all in for a 5 liter jug. I paid around the 9$ a liter all in for their 80w140 in a 20 liter pail. Canadian made and takes a beating.

Don't get ripped off!!


2006 Trailblazer LT. QSUD with Fram Ultra.
2017 Ram 3500 SLT Megacab. Duron SHP 10w30 with Hastings LF608.
1993 GMC 1500. QSAD with Fram PH5
Re: 2014 Grand Cherokee differential fluid [Re: zeng] #4775171
06/02/18 06:31 AM
06/02/18 06:31 AM
Joined: Nov 2009
Posts: 299
Ottawa, Canada
RageOfFury Offline OP
RageOfFury  Offline OP
Joined: Nov 2009
Posts: 299
Ottawa, Canada
Originally Posted By: zeng
Originally Posted By: RageOfFury
Thanks for the advice! I can easily get my hands on either of the following

Valvoline SynPower Full Synthetic Gear Oil 75W-90
Castrol Syntec Full Synthetic Gear Oil 75W-90

Leaning towards the Valvoline...thoughts?

I've no doubt this Valvoline 75W90 of [email protected]*C 100 cSt is a very robust oil.
However, I'm personally more inclined to Castrol Syntec 75W90 of [email protected]*C of 111 cSt never mind it's lower [email protected]*C of 15.0 cSt, typically in a differential application.
You won't go wrong with either though, in this desirable 'upgrade'.


I can also get Motomaster Full Synthetic 75W-90 (which I believe is made by Shell??). It has the following specs: Viscosity at 40C = 126 cSt, Viscosity at 100C = 16.7 cSt, Pour Point = -54C (-65F). Is that better or worse than Valvoline and Castrol?


2014 Jeep Grand Cherokee Limited V6 4x4
Re: 2014 Grand Cherokee differential fluid [Re: RageOfFury] #4775743
06/02/18 06:55 PM
06/02/18 06:55 PM
Joined: Nov 2007
Posts: 3,996
United States of America
mjoekingz28 Offline
mjoekingz28  Offline
Joined: Nov 2007
Posts: 3,996
United States of America
Maybe parts and service would be more reasonable if the dealers made more than a hundred bucks per new vehicle sold.

Re: 2014 Grand Cherokee differential fluid [Re: RageOfFury] #4775752
06/02/18 07:08 PM
06/02/18 07:08 PM
Joined: Sep 2015
Posts: 2,529
Malaysia
zeng Online content
zeng  Online Content
Joined: Sep 2015
Posts: 2,529
Malaysia
Quote:
I can also get Motomaster Full Synthetic 75W-90 (which I believe is made by Shell??). It has the following specs: Viscosity at 40C = 126 cSt, Viscosity at 100C = 16.7 cSt, Pour Point = -54C (-65F). Is that better or worse than Valvoline and Castrol?

That Motomaster [email protected]*C of 126 cSt provides even thicker MOFT for stronger components protection, in relation to Valvo/Castrol above.
Your Cherookee differential would love it.
200,000-300,000 km down the road when some 75W85 user gets gear whines,this differential would still be happy then.

Last edited by zeng; 06/02/18 07:09 PM.
Re: 2014 Grand Cherokee differential fluid [Re: RageOfFury] #4777299
06/04/18 01:19 PM
06/04/18 01:19 PM
Joined: Oct 2014
Posts: 33
Virginia Beach, VA
mike718 Offline
mike718  Offline
Joined: Oct 2014
Posts: 33
Virginia Beach, VA
I have a 2014 JGC and I used the Valvoline SynPower Full Synthetic Gear Oil 75W-90 on both front and rear diff with no issue.


2014 Jeep Grand Cherokee Overland 5.7 HEMI PPUP 5w-20 / Fram Ultra
2013 Nissan Juke NISMO 1.6 GDI Amsoil SS 5w-30 / Amsoil Filter
Re: 2014 Grand Cherokee differential fluid [Re: RageOfFury] #4778236
06/05/18 01:20 PM
06/05/18 01:20 PM
Joined: Apr 2008
Posts: 38,235
Ontario, Canada
OVERKILL Online content
OVERKILL  Online Content
Joined: Apr 2008
Posts: 38,235
Ontario, Canada
I'd use the AMSOIL gear lube recommended for the application personally. That's what I intend on running in mine.


2018 RAM 1500 Big Horn EcoDiesel
2016 Grand Cherokee SRT
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