montanaman
NAXJA Forum User
- Location
- Western Montana
My '91 XJ has an AX-15 tranny, and the owner's manual calls for 75w-90 GL5 gear oil for the tranny.
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Gl-5 in my AX-15... how bad is this?
- Thread starter TrainedMonkey
- Start date
- Location
- Westminster, SoCal
did you read what was posted above about what the manual says?montanaman said:
montanaman
NAXJA Forum User
- Location
- Western Montana
My Bad ... go ahead and delete my previous post.
Kejtar said:
montanaman
NAXJA Forum User
- Location
- Western Montana
Ok ... what about RedLine MT-90? That's rated GL-4. Is that ok for the AX-15? Does it have any sulfur or sulfite additives? Can it do any damage to brass synchronizers?
Also ... is it ok to use GL-5 synthetic in the front and rear differentials?
Also ... is it ok to use GL-5 synthetic in the front and rear differentials?
Last edited:
RedLine MT-90 or synthetic 75W90 gear oil is a great improvement over dino oil in the AX-15. Cleared up a lot of small shifting problems on mine. I just switched to RedLine 75W90 in the front/rear diffs, and they run quiet. RedLine is great stuff, well worth the $8/qt.
AX-15 takes 3.3 quarts; 3 quarts will do both differentials.
AX-15 takes 3.3 quarts; 3 quarts will do both differentials.