NP 246 AutoTrac
Originally Posted by
DmaxMaverick
How many TC's do you want to buy? Bad advice. Autotrac II fluid IS NOT just blue Dexron. The Autotrac TC's have unique requirements of the fluid. Unlike traditional TC's, they have active syncro's and slipper clutch friction surfaces. Some premium synthetic ATF's claim to be compatible with Autotrac II fluid, but most do not. Put Dexron in your Autotrac if you want, but don't advise others to do the same unless you are offering a warranty with the advice.
DM, I had replaced my NP 246 AutoTrac w/new unit. I was informed that I can use full synthetic by seller, not being sure I contacted the manufacture of the unit and an engineer confirmed it was ok to use the synthetic fluid. Nowhere in the packaging was there any reference to any special fluids like Autotrac II just reminder to make sure to fill unit.
I have wondered about the clutches needing some friction inhibitors but now after your post I'm concerned about the synthetic fluid I'm running, am I asking for trouble, or?
99 GMC SUB, 2500, 4x4, 6.5 TD (F) #H32 enhanced blk, Phaser timing set, B&D IC, 3" ATS exh, K&N w/prefilter, 4WD NVG 246, 4L80E kevlar Transgo off road/tow mods/B&M supercooler, 14 FF MagTec w/locker 3.42:1, 9.25" IFS frt/diff 3.42:1 w/ARB locker, AutoMeter Boost & pre-turbo pyro meter, 12,000 lb hydro winch, Warn classic bumper w/brushguard & diesel scoop, Max E-torq Stage 3, hi pop inj, oil bypass sys, on board air comp for front ARB locker & tire inflation, DynaView driving/auto-cornering lts, DZ nerfs, A/T 285/75/16 SilentArmor 3750 lb rated on 3750 lb rated Alcoa, 3 IP drivers 2 r spares.
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