Originally Posted by Babin Farms
2 qts of Genuine GM Fluid 88900402 Auto Trak II Transfer Case Fluid
Are you sure this is the right fluid? I don't think the O.P. has an transfer case with the "auto" option. Most likely it should just need a DexIII fluid (at least, that's what GM specced for '06).
2004 GMC Sierra 3500 C&C, added 4WD, 6.0L gas, Extended Cab, SLE, Transgo 4L80e-HD2 kit installed
Whee! Dually Club Member #1109