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teasdam

fluids in open diff vs. LSD

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My Chilton says to use GL-5 in open differentials, and GLS in limited slip diffs...how do I know which diff I have?

 

The car is a 1990 Loyale, 3sp AT, 4WD

 

Also, it only recommended 85W for areas with colder weather. Does this sound about right?

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You don't have an LSD, unless someone put it in there after the car came from the car lot.

 

If you had an LSD, there would be a tag on the diff that said LSD.

 

But they didn't come on automatic cars

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