Quote:
Originally Posted by Gerdo
only use GL-4. GL-5 has a higher sulfur content. This can cause harder shifting and excessive wear on brass parts like your syncros.
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CONFIRMED: I just RE-checked my manual and it says to use GL-4 in the transmission.
transmission = GL-4 75W-90 (3.5 qts.)
transfer case = GL-5 75W-90 (1.5 qts.)
differentials = GL-5 80W-90 (2.0 qts. front, 2.5 qts. rear)