Fluid Advice....

[klaybus]

Getting ready to change out fluids in front & rear diffs' & transfer case. Wanting to get some insight on whats best to use in both synthetic & dinos?



Clay

 

[LSMITH]

I use Mobil 1 75W-90 in both axles. It works really well. I would not even consider dino oil in the axles.

 

[BarryG]

I went with the Amsoil series 2000 and have never looked back. Though any high quality synthetic would work fine I am sure. I agree with above I wouldn't use dino in the diffs either. Even Dodge recommends syn if you are towing.

 

[dresslered]

LE 607. Great addition when you add the Mag-Hytek cover(s).

 

[pwr2tow]

Mobil 1 75-90 front and rear.



Ron

 

[TomGolden]

I use Amsoil series 2000 75W-90 synthetic in both diffs. If you tow a fair amount, you might want to consider 75W-140 for the rear diff.



Tom

 

[Dennis Garrett]

No matter which way you go, if you have the Limited Slip, you beter change the fluid at the recommended intervals. As the clutches wear, it contaminates the fluid, and that's what lubes the carrier bearings and all four wheel bearings. I tried to get 100k out of Amsoil 75-90, and the one of the carrier bearings desintegrated. The grit flowed all around and ruined all the rest of the bearings too. I don't blame Amsoil, or synthetics, I'm using Royal Purple now. I think It was my fault, for not following manufacturer's recommended change intervals. In a standard rear end, I think you could probably run that stuff forever.

 

[pwr2tow]

Dennis brings up a very good point, Thanks for the heads up approach.



Ron