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4th Gen Ram Tech2009 - 2018 Rams and the 2019 Ram Classic: This section is for TECHNICAL discussions only, that involve the 2009 - 2018 Rams and the 2019 Ram Classic. For any non-tech discussions, please direct your attention to the "General discussion/NON-tech" sub sections.
Did front & rear diff along with transfer case just before 50,000 miles. Old stuff with still pretty clean. Went with Royal Purple this time so I can go longer maybe 100,000.
I will have the tranny done this coming summer and sucked out as well then topped off.
Front had synthetic in it from the factory and requires it, good idea to use it in the rear especially if towing or have posi...don't forget the additive in the rear if it is posi.
I think it is the best method to use RTV because I have never had anyluck with differential gaskets unless of course they have some new reusable ones like some valvecover gaskets I bought for a 350 chevy.i
