Redline 75w85 GL5 Gear Oil : Would this be safe for use in my transfer case????

[TRDpro4R]

I did see the $56/can for the Toyota 75 stuff. Need two cans so $112.

For what it’s worth, I called the local Toyota dealership and asked him what they used. Said they use 75/90 on differentials AND transfer case.

Said they usually use synthetic but the brand varies. My guess is whatever they can get the best price on. Ie. Nothing fancy

So straight from the dealer, they are using 75/90 on huge numbers of Toyota’s and as far as I am aware, there haven’t been huge numbers of castostrophic transfer case failures to coincide.

Another thought, I have a hard time believing that Toyota transfer cases are so fragile, they can only use one type of fluid (apparently made with unicorn tears based on the price).

I guess maybe call your local dealership and ask them what they use. After hearing that, I’m using Mobil 1 syn 75/90. To each there own, but I personally feel paying $112 for Toyota fluid is unecessary.

 

[MTN4RNR]

I did see the $56/can for the Toyota 75 stuff. Need two cans so $112.

For what it’s worth, I called the local Toyota dealership and asked him what they used. Said they use 75/90 on differentials AND transfer case.

Said they usually use synthetic but the brand varies. My guess is whatever they can get the best price on. Ie. Nothing fancy

So straight from the dealer, they are using 75/90 on huge numbers of Toyota’s and as far as I am aware, there haven’t been huge numbers of castostrophic transfer case failures to coincide.

Another thought, I have a hard time believing that Toyota transfer cases are so fragile, they can only use one type of fluid (apparently made with unicorn tears based on the price).

I guess maybe call your local dealership and ask them what they use. After hearing that, I’m using Mobil 1 syn 75/90. To each there own, but I personally feel paying $112 for Toyota fluid is unecessary.

Just as a point of reference, I changed fluids last week and it only required one can (1L). I called and asked all of the dealerships in the area, and spoke to a few service techs. They all said that they fill with whatever the recommended fluid is, when asked if that meant the 75w transfer case oil they said yes. BUT that's just here, and the dealerships I have called.

For the record, I don't think that the transfer case will blow up with the use of another appropriate gear oil. A lot of the speculation comes with what materials are in the transfer case, specifically yellow (soft) metals like brass. Some claim that the Toyota 75w is engineered to reduce wear on those softer metals, and that the use of a different gear oil can cause excessive wear on those components. Does that mean that the transfer case will only last 100k or 200k versus 500k? No one really knows. I'm not arguing against using other gear oils. Just summarizing the PAGES of posts I have read across a few Toyota forums on the subject.

If a dealership is changing fluids, you don't have a worry in the world because they'll back up whatever they put in the transfer case. But if you're doing it yourself, you open yourself up to liability if something does go wrong and you didn't use the recommended fluids.

The best way I can summarize the great transfer case debate in a sentence: $60 is cheap insurance for a problem that will likely never happen...

 

[Akkording]

interesting results from his lab test for Toyota non synthetic gear oil
https://www.youtube.com/watch?v=waD8xOhU1AU

 

[TRDpro4R]

Just as a point of reference, I changed fluids last week and it only required one can (1L). I called and asked all of the dealerships in the area, and spoke to a few service techs. They all said that they fill with whatever the recommended fluid is, when asked if that meant the 75w transfer case oil they said yes. BUT that's just here, and the dealerships I have called.

For the record, I don't think that the transfer case will blow up with the use of another appropriate gear oil. A lot of the speculation comes with what materials are in the transfer case, specifically yellow (soft) metals like brass. Some claim that the Toyota 75w is engineered to reduce wear on those softer metals, and that the use of a different gear oil can cause excessive wear on those components. Does that mean that the transfer case will only last 100k or 200k versus 500k? No one really knows. I'm not arguing against using other gear oils. Just summarizing the PAGES of posts I have read across a few Toyota forums on the subject.

If a dealership is changing fluids, you don't have a worry in the world because they'll back up whatever they put in the transfer case. But if you're doing it yourself, you open yourself up to liability if something does go wrong and you didn't use the recommended fluids.

The best way I can summarize the great transfer case debate in a sentence: $60 is cheap insurance for a problem that will likely never happen...

Fair enough. I appreciate the info. Your post has led me to spending the last hour searching around on the internet and think I'll just do the Toyota stuff for the transfer case.

 

[TRDpro4R]

What are you using to get the oil from the can to the transfer case?

I am assuming pouring it into a bottle that is compatible with the pump and tubing you typically use?

 

[catrains]

Fair enough. I appreciate the info. Your post has led me to spending the last hour searching around on the internet and think I'll just do the Toyota stuff for the transfer case.

this is why you should use the toyota transfer case gear oil/fluid.. viscosity not the issue it is the additives in that toyota fluid ..

 

[TRDpro4R]

So just to be clear, this stuff is fine for the front and rear differentials?

 

[catrains]

this is the ravenol 75wt oil .. see how little additives it has .. same 75wt but not the transfer case protection from wear.

 

[MTN4RNR]

What are you using to get the oil from the can to the transfer case?

I am assuming pouring it into a bottle that is compatible with the pump and tubing you typically use?

I used an old school Coor's Original can opener that I found in my parents garage years ago (with the pointy end) punctured a hole in the top, and used a conventional quart pump by just putting the intake straw at the bottom of the can and pumping. Was really simple to do.

So just to be clear, this stuff is fine for the front and rear differentials?

Yes, this is what a lot of people use. If you want a "closer to spec" replacement, try the Redlne 75w85 gear oil.

 

[DougEFresh2]

I use the Redline 85 stuff in mine! No problem!

All Fluids Guide: Beginner Fluid Maintenance

:cheers:

 

[volpe30]

I use Mobil 1 Delvac 75W-90 in front and rear diff and transfer case.

Mobil Delvac 1™ Gear Oil 75W-90


Sent from my iPhone using Tapatalk

 

[1jzgte]

I use the Redline 85 stuff in mine! No problem!

All Fluids Guide: Beginner Fluid Maintenance

:cheers:

absoluitely excellent video for transfer case fluid exchange

https://www.youtube.com/watch?v=zcRilSI0jrw

oh and rear differential by the same person

https://www.youtube.com/watch?v=zcRilSI0jrw

give those first timers an idea..

 

[NotaTRD]

If I may piggyback on this thread, which gear oil are you guys/gals with ARB lockers using? I’ve read ARB does not recommend Redline or oils with LSD additive.