Im sure in your owners manual it tells you exactly...but i usually change mine 30-40k on both. And more often if i submerge in water alot. Mines a standard but i know the synthetic mopar fluid it calls for is expensive as hell. T-case takes the ATF+4 as well.
01 TJ. Dana 30/44 4:88's, 4.0 5 speed, 38.5x15 Boggers on 15x10 Streetlocks, CAI, B&M short throw, Neoprene Covers, 4" RC, 3" BL, too much to list and building. >..<