Recommended Fluid

Transaxles and transmissions use Dexron-VI ATF. For additional fluid information, see TSB 04-07-30-037D; RELEASE OF DEXRON-VI AUTOMATIC TRANSMISSION FLUID (ATF) . All transfer cases EXCEPT Tracker, NV136, NV236 and NV246 use Dexron-III ATF. Tracker transfer case uses GL-4 75W-90 lubricant. Transfer case models NV136, NV236 and NV246 use Auto-Trac® II Fluid (GM P/N 12378508).