Are you saying I shouldn't use this fluid? I saw a lot of people on forums recommended it.
ACDelco GM Original Equipment 10-4033 75W-90 Manual Transmission and Transfer Case Fluid - 1 qt https://www.amazon.com/dp/B007Q108YY/ref=cm_sw_r_apan_i_KH217TRYFCFD5TEPV7B9?_encoding=UTF8&psc=1
AC DELCO 10-4033 manual tranny fluid