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Old 02-04-2020, 03:49 PM   #11 (permalink)
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Originally Posted by Babin Farms View Post
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
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