[DonM]

So my brand new LSD from GM is supposed to arrive by Wednesday (9-18). I'm curious to see if there is anything I need to do to break it in properly (other than NOT doing hard launches or power shifts).

I heard one person say to change the fluid at the 100 mile mark, then again at the 1,000 mile mark.

The shop that's doing the work suggested to change the fluid yearly, along with my engine oil (since retiring, I simply DON'T drive enough to go by mileage), since the cost of a diff fluid change is minimal.

[dmcmahan60]

After I had mine installed I was instructed by the GM mechanic to change the diff fluid after 500 miles and then go back to regular intervals