Meegs Posted December 20, 2011 Report Share Posted December 20, 2011 Hi guys, 07 Yukon AWD with the 6.0. Has a BW t-case with brown fluid. Does the BW use a standard 75-90 and differ from the Autotrac II? Not interchangeable I'm guessing? I thought the Yukon were the same drive line as the SSS and Esclade. Any who...this truck need gear oil or the smurf piss stuff?????? Quote Link to comment Share on other sites More sharing options...
JDenton1386 Posted January 24, 2012 Report Share Posted January 24, 2012 (edited) http://homepage.mac.com/darketernal/transfercases.html Edited January 24, 2012 by JDenton1386 (see edit history) Quote Link to comment Share on other sites More sharing options...
BlownFogger540 Posted January 24, 2012 Report Share Posted January 24, 2012 the SS uses a nv149 t-case and not a bw 2 very diff boxes Quote Link to comment Share on other sites More sharing options...
JDenton1386 Posted January 24, 2012 Report Share Posted January 24, 2012 well my link was of no help at all! The book in my wifes 08 Denali says Dexron VI transmission fluid. Quote Link to comment Share on other sites More sharing options...
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