View Poll Results: Best Choice for 04X Differential Fluids:
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2004 G35X Differential Fluids
Joined: Sep 2006
Posts: 588
Likes: 3
From: Cedar Rapids Iowa
2004 G35X Differential Fluids
I've tried searching this, but came up empty for my particular question.
I need to replace both my differential fluids and the transfer case oil. From an earlier post, I found this:
Front Diff: 0.65L
Rear Diff: 1.4L
Transfer: 1.25L
I've pretty much decided on using Redline fluids, now my question comes about the differences between the 75W90 and 75W90NS. Which would be better for a stock '04 X? I don't think the X's have a LSD, so would the NS be a better choice? Also, can someone verify that's the correct fluid capacity? Looks like I'll need about 4 quarts total.
I need to replace both my differential fluids and the transfer case oil. From an earlier post, I found this:
Front Diff: 0.65L
Rear Diff: 1.4L
Transfer: 1.25L
I've pretty much decided on using Redline fluids, now my question comes about the differences between the 75W90 and 75W90NS. Which would be better for a stock '04 X? I don't think the X's have a LSD, so would the NS be a better choice? Also, can someone verify that's the correct fluid capacity? Looks like I'll need about 4 quarts total.
Registered User
Joined: Apr 2007
Posts: 312
Likes: 1
Hi Midnight. 
Isn't your Redlline dealer capable of answering this question for you? I am surprised they are not helping you with this. I could spend some time at their web site to assist you, but I am surprised they aren't helping you with your question. What's up with that? 
Steve
CEO of Hi-Tech Oil Co.
Distributing industry leading AMSOIL synthetic lubricants for 19 years
Isn't your Redlline dealer capable of answering this question for you? I am surprised they are not helping you with this. I could spend some time at their web site to assist you, but I am surprised they aren't helping you with your question. What's up with that? Steve
CEO of Hi-Tech Oil Co.
Distributing industry leading AMSOIL synthetic lubricants for 19 years
Originally Posted by MidnightG35X
I've tried searching this, but came up empty for my particular question.
I need to replace both my differential fluids and the transfer case oil. From an earlier post, I found this:
Front Diff: 0.65L
Rear Diff: 1.4L
Transfer: 1.25L
I've pretty much decided on using Redline fluids, now my question comes about the differences between the 75W90 and 75W90NS. Which would be better for a stock '04 X? I don't think the X's have a LSD, so would the NS be a better choice? Also, can someone verify that's the correct fluid capacity? Looks like I'll need about 4 quarts total.
I need to replace both my differential fluids and the transfer case oil. From an earlier post, I found this:
Front Diff: 0.65L
Rear Diff: 1.4L
Transfer: 1.25L
I've pretty much decided on using Redline fluids, now my question comes about the differences between the 75W90 and 75W90NS. Which would be better for a stock '04 X? I don't think the X's have a LSD, so would the NS be a better choice? Also, can someone verify that's the correct fluid capacity? Looks like I'll need about 4 quarts total.
Joined: Sep 2006
Posts: 588
Likes: 3
From: Cedar Rapids Iowa
Originally Posted by HiTechOilCo
Hi Midnight. Isn't your Redlline dealer capable of answering this question for you? I am surprised they are not helping you with this. I could spend some time at their web site to assist you, but I am surprised they aren't helping you with your question. What's up with that?
Steve
CEO of Hi-Tech Oil Co.
Distributing industry leading AMSOIL synthetic lubricants for 19 years
Isn't your Redlline dealer capable of answering this question for you? I am surprised they are not helping you with this. I could spend some time at their web site to assist you, but I am surprised they aren't helping you with your question. What's up with that? Steve
CEO of Hi-Tech Oil Co.
Distributing industry leading AMSOIL synthetic lubricants for 19 years
Registered User
Joined: Apr 2007
Posts: 312
Likes: 1
Originally Posted by MidnightG35X
There are no redline dealers close to me. None that carry anything besides the waterwetter at least. I guess I'm thinking I would go with the 75W90 NS, but I want to have some people here confirm that the X's don't have LSD's. Any X owners have some opinions here?
If you have no dealer to help you, where would you be obtaining the gear lube from? I'm a little confused here, if you can understand. I mean, I would recommend contacting your purchase source, before taking advice from folks who might be interested in assisting, but don't really know the correct answer for lack of knowledge. Heck, I'm in the synthetic lubricants industry and have been for 20 years but without doing research, even I don't know the correct answer to your question. I tried to research your car a little to see if I could at least find the fluid capacities for you, but I could not find any listing for your vehicle with all wheel drive. Maybe it is so rare that it isn't listed in the parts books? I don't know. If you have your owners manual, I think it should list the quantities of lubricants that are needed for you vehicle, along with the recommended viscosities and API ratings. Can you check this out and post this information, I'll do my best to give you a proper recommendation. 
What are the prices on these respective gear lubes?
Steve
CEO of Hi-Tech Oil Co.
Distributing industry leading AMSOIL synthetic lubricants for 19 years
Steve
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