info on jag irs lube schedule

[fjrgary]

how many miles before i should be thinking about changing rear end fluid? running moroso climbing gear lube sae 90 #34800. street driven only. should i be looking at something better? thanks for your input.

[patrickt]

Every 25k miles or so. See: tipofmonth5 - Dealing with Your Jag Differential and the Moroso 34800, combined with the Amalie limited slip additive (part # 505-6775) is right out of the ERA manual. If you're not ratcheting, then keep using it.