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Old 11-28-2012, 04:36 PM   #40
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Join Date: Apr 2012
Location: New Bern, NC
Posts: 973
My Ride: '04 Cadillac Deville
Originally Posted by trj View Post
Same boat here.
I am on 150K+ miles.
Dont know if the transmission and diff fluids have ever been changed.
Will change the diff fluid soon but I am really about touching the transmission(auto/step) which is working perfectly fine.

I think I will just do a single drain and fill along with the filter change, or shall I leave it just like that?
Ditto here. I've got almost 152k miles and I'm pretty sure the fluid has never been changed. Transmission shifts fine though. Do you have the GM or ZF transmission?
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