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Gear oil recommendation #4514598
09/12/17 07:42 PM
09/12/17 07:42 PM
Joined: Apr 2013
Posts: 2,420
The Northeast
mclasser Offline OP
mclasser  Offline OP
Joined: Apr 2013
Posts: 2,420
The Northeast
My Pilot calls for an SAE 90 GL-4/5 gear oil in the transfer case. Many peeps seem to run Mobil 1 75w90. When it comes to gear oil, I don't know squat. What're the advantages of a syn gear oil versus a conventional? From what I've read, the transfer case in these cars puts little stress on the fluid.

Thank you!


2018 Hyundai Elantra VE -- 6K
2013 Honda Pilot EX-L 4WD -- 57K
2002 Honda Accord EX-L -- 212K

Re: Gear oil recommendation [Re: mclasser] #4514599
09/12/17 07:44 PM
09/12/17 07:44 PM
Joined: Feb 2013
Posts: 11,081
Phoenix, AZ
Nick1994 Online content
Nick1994  Online Content
Joined: Feb 2013
Posts: 11,081
Phoenix, AZ
I like to use the Valvoline SynPower 75w90. It's synthetic and pretty cheap, I get it from Auto Zone. Have it in my Jeep and the grandparent's Trailblazer.


2015 Hyundai Sonata 2.4L 88k Motorcraft Synthetic Blend 5w30 & OEM
2000 Toyota Camry 2.2L 231k Valvoline 5w30 & Fram Ultra
1996 Jeep Cherokee 4.0L 147k Mobil 1 HM 10w40 & Fram Ultra
Re: Gear oil recommendation [Re: mclasser] #4514607
09/12/17 07:52 PM
09/12/17 07:52 PM
Joined: Dec 2011
Posts: 5,094
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 5,094
North Carolina
Castrol Syntrax 75W-90 is my go-to.


"Zed's dead baby, Zed's dead."
Re: Gear oil recommendation [Re: mclasser] #4514613
09/12/17 07:57 PM
09/12/17 07:57 PM
Joined: Apr 2009
Posts: 242
Reno, Nevada
Langanobob Offline
Langanobob  Offline
Joined: Apr 2009
Posts: 242
Reno, Nevada
I would say that for you, living in the Northeast where you have real and cold winters, the only significant advantage of synthetic gear oil is that it will stay somewhat thinner and not thicken as much as conventional oil when it gets real cold out. Hard to put a number on it but over the course of a winter the lower rolling resistance and resultant slight fuel savings might make up the cost difference, especially if you make a lot of short trips and the transfer case rarely gets up to operating temp. That's my 2 cents worth.

Re: Gear oil recommendation [Re: mclasser] #4514620
09/12/17 08:05 PM
09/12/17 08:05 PM
Joined: Jul 2017
Posts: 43
USA
Krieg Offline
Krieg  Offline
Joined: Jul 2017
Posts: 43
USA
Amsoil has been the best for my application. Pablo will give you a great price. I could not find a local part store, who carried GL4 for transfer case. GL5 is for axles.

Respectfully,



N�l an luach an maith ar a dtugtar go dt� go dt�ann s� tirim
Re: Gear oil recommendation [Re: mclasser] #4514648
09/12/17 08:37 PM
09/12/17 08:37 PM
Joined: Sep 2002
Posts: 2,382
VA
Gebo Offline
Gebo  Offline
Joined: Sep 2002
Posts: 2,382
VA
Amsoil


'98 LEX LS400 280K
'00 LEX GS300 195K
'02 4Runner 225K
'05 Lex LS430 85K
'06 Toyota Highlander 145K
'09 Lex IS350 85K
'07 Lex GX470 60K
Amsoil in all engines, transmissions and differentials

Re: Gear oil recommendation [Re: mclasser] #4514652
09/12/17 08:42 PM
09/12/17 08:42 PM
Joined: Feb 2017
Posts: 207
Vancouver, Canada
dubber09 Offline
dubber09  Offline
Joined: Feb 2017
Posts: 207
Vancouver, Canada
I haven't used other oils but Schaeffer and am very happy with it.


Kia Sportage 2014 GDI 2.4L
Kia Forte 2014 MPI 1.8L
Re: Gear oil recommendation [Re: mclasser] #4514662
09/12/17 08:59 PM
09/12/17 08:59 PM
Joined: Dec 2013
Posts: 2,439
Fort Worth, Texas
clinebarger Online content
clinebarger  Online Content
Joined: Dec 2013
Posts: 2,439
Fort Worth, Texas
Delvac 1 75w90.


2001 Chevy Camaro L92/4L80E
2006 Chevy 2500HD LBZ/Allison 1000
2010 Toyota Corolla 2ZR-FE/U341E
2000 Toyota Avalon 1MZ-FE/A541E
Re: Gear oil recommendation [Re: mclasser] #4514705
09/12/17 10:12 PM
09/12/17 10:12 PM
Joined: Dec 2006
Posts: 19,110
Dallas,Tx USA
aquariuscsm Online content
aquariuscsm  Online Content
Joined: Dec 2006
Posts: 19,110
Dallas,Tx USA
Amsoil Severe Gear.


1996 Nissan 300ZX 5-speed,Arctic Pearl(#175 of 300)
Quaker State Ultimate Durability 10W30
2012 Honda Accord Coupe EX-L 2.4,auto,San Marino Red
Quaker State Ultimate Durability 10W30

Re: Gear oil recommendation [Re: aquariuscsm] #4514712
09/12/17 10:28 PM
09/12/17 10:28 PM
Joined: Sep 2010
Posts: 7,594
Planet Earth
2015_PSD Offline
2015_PSD  Offline
Joined: Sep 2010
Posts: 7,594
Planet Earth
Originally Posted By: aquariuscsm
Amsoil Severe Gear.
+1 - Arguably the best gear oil on the market

Re: Gear oil recommendation [Re: clinebarger] #4514716
09/12/17 10:32 PM
09/12/17 10:32 PM
Joined: Dec 2011
Posts: 5,094
North Carolina
rooflessVW Offline
rooflessVW  Offline
Joined: Dec 2011
Posts: 5,094
North Carolina
Originally Posted By: clinebarger
Delvac 1 75w90.

Awesome gear oil


"Zed's dead baby, Zed's dead."
Re: Gear oil recommendation [Re: mclasser] #4514719
09/12/17 10:36 PM
09/12/17 10:36 PM
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
901Memphis Offline
901Memphis  Offline
Joined: Aug 2010
Posts: 12,906
Northern Kentucky
Amsoil or Redline. Synthetic will flow better at cold temperatures.


2012 Chevy Cruze LT 1.4T - 50k
2002 Buick Century 130k - Built 4T65e(Maxlife) - Edge 0w40 + Fram XG3980
Re: Gear oil recommendation [Re: mclasser] #4514748
09/13/17 12:06 AM
09/13/17 12:06 AM
Joined: Jun 2002
Posts: 19,494
Iowegia - USA
MolaKule Offline
MolaKule  Offline
Joined: Jun 2002
Posts: 19,494
Iowegia - USA
Originally Posted By: mclasser
My Pilot calls for an SAE 90 GL-4/5 gear oil in the transfer case. Many peeps seem to run Mobil 1 75w90. When it comes to gear oil, I don't know squat. What're the advantages of a syn gear oil versus a conventional? From what I've read, the transfer case in these cars puts little stress on the fluid.

Thank you!


I think you could also use either this:

http://www.amsoil.com/lit/databulletins/g2077.pdf

or this,

https://www.redlineoil.com/product.aspx?pid=46&pcid=7


"Molon Labe" (Greek, King Leonidas to the Persians regarding their weapons "Come and Take Them!").
Re: Gear oil recommendation [Re: clinebarger] #4514753
09/13/17 12:47 AM
09/13/17 12:47 AM
Joined: May 2003
Posts: 5,112
Airlie Beach Australia
Doug Hillary Offline
Doug Hillary  Offline
Joined: May 2003
Posts: 5,112
Airlie Beach Australia
Hi,

syn gear oils can have many performance advantages over syn gear oils. Several years ago I did extensive testing in my OTH vehicles and settled on two;

Delvac 1 75W-90
Castrol Syntrax 75W-90

Both performed about the same over many millions of ks.
Advantages over a conventional oil were longer seal life, much cooler running and a huge increase in OCI - in fact I never change some at all just monitred them for contamination and wear metals taking action as and if needed

Last edited by Doug Hillary; 09/13/17 12:49 AM. Reason: Spelling

Regards
Doug
Re: Gear oil recommendation [Re: mclasser] #4514777
09/13/17 03:14 AM
09/13/17 03:14 AM
Joined: Jun 2017
Posts: 391
Western usa
Ammofirst Offline
Ammofirst  Offline
Joined: Jun 2017
Posts: 391
Western usa
Sounds like you can use a nonproprietary gear oil in your transfer case. AutoZone has Delo XDM 75w-90 full synthetic for six bucks a quart. Suppose to be good stuff, I just bought 3 quarts.

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