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#4784599 - 06/12/18 07:35 AM Generation 5 Runner transfer case fluid.
live_to_hunt Offline


Registered: 04/11/09
Posts: 271
Loc: New Jersey
Hey I am wandering what some of you have used in the transfer case. I have read after 2012 you shouldn't put 75w90 in the transfer case. I know of the toyota 75w transfer case oil. Ravenol makes a 75w oil I was thinking of using that. Before I do anything I usually read lots of posts on BITOG. I have a 2014 4Runner. Thanks for any input you have had good success with.
_________________________
2010 Tundra
2001 Harley Heritage Softail Classic

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#4784612 - 06/12/18 07:46 AM Re: Generation 5 Runner transfer case fluid. [Re: live_to_hunt]
JLTD Offline


Registered: 12/15/17
Posts: 934
Loc: US
Where to start ... short version of my research:

Toyota's fluid is $75 per quart. No go in my opinion.

Something about the earlier versions of off the shelf differential oil being better/closer than current generation because of additive package.

Plenty of opinions online; mine is that the TC is a set of gears and a chain...

Bottom line from what I've read is that most guys on the 4Runner and FJ sites are using the same as in the differentials, same as they always have, with no problems or failures reported. I'll be using Amsoil severe gear when I get to my diffs in a month or two.
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Hers: 2008 Jeep Liberty 138k, AMSOIL® SS 5w30/Amsoil

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#4784635 - 06/12/18 08:08 AM Re: Generation 5 Runner transfer case fluid. [Re: live_to_hunt]
Astro14 Offline


Registered: 10/10/10
Posts: 8668
Loc: Virginia Beach
Ravenol's website lists their 75W gear oil as appropriate for your truck (mine, too, by the way). Amazon has it for about $17/QT. Capacity on my truck is 1.5 QT.

I actually plan to drain and fill the TC on my Tundra today. It's had a synthetic 75W90 (AMSOIL severe gear) in it for a few thousand miles. I'll report back on what I see when that's done.

I also bought a magnetic drain plug for the TC - Toyota puts one on each of the differentials, but they don't on this transfer case.
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#4784653 - 06/12/18 08:24 AM Re: Generation 5 Runner transfer case fluid. [Re: live_to_hunt]
barkingspider Offline


Registered: 12/22/13
Posts: 2077
Loc: socal
$75/qt? Nope nope nope. Ravenol at $17/qt is still high but u only need 2 qts and won’t have to change it again for a while, so that’s what I would use
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#4784656 - 06/12/18 08:28 AM Re: Generation 5 Runner transfer case fluid. [Re: live_to_hunt]
Patrick0525 Offline


Registered: 07/23/14
Posts: 216
Loc: PA
Does a friction modifier need to be added?
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#4784659 - 06/12/18 08:31 AM Re: Generation 5 Runner transfer case fluid. [Re: Patrick0525]
JLTD Offline


Registered: 12/15/17
Posts: 934
Loc: US
Originally Posted By: Patrick0525
Does a friction modifier need to be added?


For the part time TC, no... not sure about the full time.

Thanks for the Ravenol tip Astro, I'll have to look into it and will watch for your report on the Severe Gear...
_________________________
Hers: 2008 Jeep Liberty 138k, AMSOIL® SS 5w30/Amsoil

His: 2015 4Runner 41k, AMSOIL® OE 5w20/Wix

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#4784830 - 06/12/18 12:10 PM Re: Generation 5 Runner transfer case fluid. [Re: live_to_hunt]
live_to_hunt Offline


Registered: 04/11/09
Posts: 271
Loc: New Jersey
Thanks for the opinions. I was leaning toward the Ravenol 75w that is what I am going to order.
_________________________
2010 Tundra
2001 Harley Heritage Softail Classic

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#4784918 - 06/12/18 01:56 PM Re: Generation 5 Runner transfer case fluid. [Re: live_to_hunt]
MaximaGuy Offline


Registered: 09/20/03
Posts: 1255
Loc: Austin, TX
First off x-case and differentials are dumb mechanical components and a respectable synthetic 75W90/75W110 should suffice.
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2018 MB GLE350
2011 Lexus ES350
2006 Toyota Highlander 4WD

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#4784937 - 06/12/18 02:20 PM Re: Generation 5 Runner transfer case fluid. [Re: live_to_hunt]
Astro14 Offline


Registered: 10/10/10
Posts: 8668
Loc: Virginia Beach
No UOA on the Severe Gear, but it came out clean, and the transfer case has been shifting normally.

I think you're fine with any decent gear oil, and, that this transfer case specification, like the 0W20 engine oil specification, it's driven by factors internal to the company, and not by performance in the field.

Here’s the Ravenol on my shelf, right next to some Fuchs 75W.




The Fuchs is going in today.

Big shout out to JHZR2 - who gave me the Fuchs.

The magnetic drain plug that I had previously purchased to go with the Fuchs is the wrong size...rats....


Edited by Astro14 (06/12/18 02:30 PM)
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05 MB S600 0W40 M1
16 Tundra 1794 5W30 Valvoline

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#4784985 - 06/12/18 03:26 PM Re: Generation 5 Runner transfer case fluid. [Re: live_to_hunt]
NYSteve Offline


Registered: 12/26/06
Posts: 463
Loc: Killadelphia
Originally Posted By: live_to_hunt
Hey I am wandering what some of you have used in the transfer case. I have read after 2012 you shouldn't put 75w90 in the transfer case. I know of the toyota 75w transfer case oil. Ravenol makes a 75w oil I was thinking of using that. Before I do anything I usually read lots of posts on BITOG. I have a 2014 4Runner. Thanks for any input you have had good success with.


Where did you see that you can't use 75w-90 after 2012? I'm a 4th gen guy but dont recall seeing anything about this or any major changes that would mandate this.

PS - I use Amsoil or Redline for Diffs, tranny and transfer case


Edited by NYSteve (06/12/18 03:27 PM)

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#4785001 - 06/12/18 03:52 PM Re: Generation 5 Runner transfer case fluid. [Re: NYSteve]
Astro14 Offline


Registered: 10/10/10
Posts: 8668
Loc: Virginia Beach
Originally Posted By: NYSteve
Originally Posted By: live_to_hunt
Hey I am wandering what some of you have used in the transfer case. I have read after 2012 you shouldn't put 75w90 in the transfer case. I know of the toyota 75w transfer case oil. Ravenol makes a 75w oil I was thinking of using that. Before I do anything I usually read lots of posts on BITOG. I have a 2014 4Runner. Thanks for any input you have had good success with.


Where did you see that you can't use 75w-90 after 2012? I'm a 4th gen guy but dont recall seeing anything about this or any major changes that would mandate this.

PS - I use Amsoil or Redline for Diffs, tranny and transfer case


Where did YOU see that he can?

Toyota changed suppliers on the transfer case. Your six year old truck carries a different specification than his (or mine). It's been a big topic of discussion on Toyota forums.

Even on BITOG, it's been previously discussed. For example, here:

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/3866664/all/75W_transmission_oil

Check out the Toyota oil can. "75W".

Check out a VOA on that oil here:

https://www.bobistheoilguy.com/forums/ubbthreads.php/topics/4389571/Toyota_Transfer_Gear_Oil_75W_V


Edited by Astro14 (06/12/18 03:54 PM)
_________________________
32 Packard 15W40
02 Volvo V70 T5 0W40 M1
02 Volvo V70 XC 0W40 Edge
05 MB S600 0W40 M1
16 Tundra 1794 5W30 Valvoline

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#4785003 - 06/12/18 03:58 PM Re: Generation 5 Runner transfer case fluid. [Re: live_to_hunt]
Astro14 Offline


Registered: 10/10/10
Posts: 8668
Loc: Virginia Beach


That’s what mine says.
_________________________
32 Packard 15W40
02 Volvo V70 T5 0W40 M1
02 Volvo V70 XC 0W40 Edge
05 MB S600 0W40 M1
16 Tundra 1794 5W30 Valvoline

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#4785010 - 06/12/18 04:02 PM Re: Generation 5 Runner transfer case fluid. [Re: live_to_hunt]
MaximaGuy Offline


Registered: 09/20/03
Posts: 1255
Loc: Austin, TX
Pardon my ignorance, this 75W fluid is new to me. Well you are on the right forum for the right answers though mine was wrong.
Apparently the newer specs call specifically for this new specification.
_________________________
2018 MB GLE350
2011 Lexus ES350
2006 Toyota Highlander 4WD

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#4785048 - 06/12/18 04:53 PM Re: Generation 5 Runner transfer case fluid. [Re: MaximaGuy]
Astro14 Offline


Registered: 10/10/10
Posts: 8668
Loc: Virginia Beach
Originally Posted By: MaximaGuy
Pardon my ignorance, this 75W fluid is new to me. Well you are on the right forum for the right answers though mine was wrong.
Apparently the newer specs call specifically for this new specification.


I personally think you were right the first time. I don't think that there's anything wrong with a 75W90 in this particular application. But that's my personal belief and it contradicts the owners manual.

I think Toyota has reasons for this specification known only to Toyota.

Since I can't prove my belief, however, I'm playing it safe and filling my transfer case with a 75W oil.

The Fuchs will get a run.

Then the Ravenol.

I'm just glad I found the Ravenol on Amazon...the dealership price is insane...
_________________________
32 Packard 15W40
02 Volvo V70 T5 0W40 M1
02 Volvo V70 XC 0W40 Edge
05 MB S600 0W40 M1
16 Tundra 1794 5W30 Valvoline

Top
#4785049 - 06/12/18 04:54 PM Re: Generation 5 Runner transfer case fluid. [Re: live_to_hunt]
Jaha24k Offline


Registered: 06/12/18
Posts: 48
Loc: So Cal
What does Toyota specify as the service interval for the transfer case?

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