Tranny fluid change
Got 70,000 miles on the current ATF oil, so today it and the spin-on filter got changed. I also dropped the pan to see if there was any sludge and it was clean. Love this Duramax/Allison combo.
Forum Discussion
Cummins12V98 wrote:
Are you doing a COMPLETE change???
You simply just don’t give up, do ya?
For any interested AS69RC owners......a “complete” exchange is not necessary, basically for a couple of reasons.
First....the service manual does not specify that a “complete” exchange is required.
Second.....my previous 2014 RAM 3500 with AS69RC made it to 362k miles with the transmission maintenance being performed basically by the book. Guess what? My current 2018 RAM 4500 with AS69RC is at 357k miles, and is doing great with the same maintenance by the book.
Sure...I may have been over on a few drain and fills by three or four thousand miles, and perhaps a sump filter change by a similar amount, but the 2014 and 2018 have been superb.
