Do I need an additive in my rear differential in my dana 80
I am changing the rear differential fluid on my 1997 Dodge 3500 with the 5.9 cummins diesel and a 5 speed manual NV4500 transmission. Do I need a Limited slip additive or anything of that sort to go in with the new fluid. I am using 75-90w full synthetic gear oil?
It depends i forget what the code for a LS differential is, But if you buy the additive and put it in, it wont hurt any thing. Its always better to have it and not need it, than need it and not have it.
Very well Will do!
i would have to agree it cant hurt anything
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