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Trans/tcase fluid


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Posted

My onstar suggest i change my trans and tcase fluids at 97500 miles and i just rolled over that, best kind of fluids to use? Diy or let dealership/shop deal with it?

Posted

The t case is easy.  The trans on these trucks is not something I've tried yet but I was thinking of taking it in for that.

 

I use all Amsoil fluids, but you may have your own favorite.

 

Do the diffs as well.

Posted

You can DIY.  Easy to do.  Make sure you get the proper fluid.  AMSOIL's ATL fluid meets both dexron VI and HP which is used in both the transmission and Tcase.

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