Transmission and Diff oil

[elitex]

Looking to do my first oil Change since I am around 1100 miles. Is it worth changing the transmission and diff oil at the same time? If so what are you guys using?

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[Jb350]

Unless you have tracked the car, no use in changing so soon. I'm about to change mine after about 2 days of track time (7 hours). I'm using mobil 1 synthetic 75w90 LS for the diff, and mobile 1 synthetic atf for the trans

 

[GT_Dave]

Your trans and diff oil should be good for 30,000 miles, unless you run your car through some very high heat cycles, like extended periods at 270F +.

 

[honeybadger]

Howdy all - reviving this old thread.

Has anyone switched to other types of diff/trans fluid? Thoughts?

Additionally, I've seen mention of needing to activate the diff cooler pump to completely drain the oil. Completely necessary? I've also been told not to run a pump dry.

Thanks all!

 

[Rainier42]

Howdy all - reviving this old thread.

Has anyone switched to other types of diff/trans fluid? Thoughts?

Additionally, I've seen mention of needing to activate the diff cooler pump to completely drain the oil. Completely necessary? I've also been told not to run a pump dry.

Thanks all!

I used Amsoil in transmission and differential. Didn't activate pump for differential.

 

[nastang87xx]

Don't change gear oils too often. Just let them do their job. If you have a damn good reason to, then of course do it.

 

[honeybadger]

Don't change gear oils too often. Just let them do their job. If you have a damn good reason to, then of course do it.

[MENTION=16326]nastang87xx[/MENTION] Had to drain it to drop the sub frame

 

[nastang87xx]

Doh...

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