Quote:
Originally Posted by slowmover
DD, are you using the MB-spec DELO 50 in that G56 trans?
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No. I know Dodge specifies the tranny fluid has to meet ATF +4 spec. I know there's been some chatter on CumminsForum and elsewhere as to whether it's actually better to use the MB-spec, because that's recommended by Mecedes in Europe for the same tranny (if I recall correctly). While it seems odd to me that Dodge recommends an auto tranny fluid in their manual, I decided to stick with something that meets the ATF +4 spec. I use Castrol Transmax ATF+4, as it had the best viscousity and wear characteristics of any ATF+4 fluid that has published specs.