Differential service question ! !

[Ram82808]

Hey guys , so I am planning on servicing my rear this weekend and i have a couple of questions ...
1- how many qts of oil does it take ?
2- how do you know if you have LSD ?
3- do you need a new gasket ?
4- where the hell do you put the fluid back in ? ? lol


If you guys have any tips I am willing to listen i have never done this !! CANT YOU TELL ? lol


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[NYCruiser]

Fix It Right! - Differential Service - YouTube

 

[loveracing1988]

The user manual should tell you how much and of what fluid to put back in which is done through the fill plug in the cover pan.
Lsd or not doesn't matter, it is a helical style which doesn't require friction modifier.
I'm more familiar with the 10.5, 11.5, amd 11.8 axles but the 9.25 should have a metal impregnated gasket which is reusable. Most manufactures arr going that route now.

 

[DavidRam]

3 quarts, Royal Purple gear oil is the best, imho, and it comes with the lsd additive already. Oreilly or Advanced or AutoZ.
Yes you need a new gasket, and you'll need to clean a mess off from the old one.
The fluid fills through the cheap cap on the drain hole. I am changing to Mag-Hytec diff cover after seeing the factory one.

 

[03MopaRamman]

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[Livinalittle]

3 quarts, Royal Purple gear oil is the best, imho, and it comes with the lsd additive already. Oreilly or Advanced or AutoZ.
Yes you need a new gasket, and you'll need to clean a mess off from the old one.
The fluid fills through the cheap cap on the drain hole. I am changing to Mag-Hytec diff cover after seeing the factory one.

RP 75W90 to be more specific.
Silicone is all you need for a gasket.
Recommend you have a can of brake cleaner handy when you remove your cover and don't forget to clean all the metal shavings off the magnet.
Fill until it starts coming out of the hole.
Have a beer.

 

[DavidRam]

RP 75W90 to be more specific.
Silicone is all you need for a gasket.
Recommend you have a can of brake cleaner handy when you remove your cover and don't forget to clean all the metal shavings off the magnet.
Fill until it starts coming out of the hole.
Have a beer.

I used gasket from install kit. Install kit was missing the beer!

 

[Ram82808]

Thanks guys ! my end took 2 QT and it started dripping out so I just put the plug back . Drop around , no leaks !


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[DavidRam]

Nice work!