2001 Dodge Ram 2500 Rear Differential Fluid Capacity, The recommended fluid for the rear differential of a Dodge Ram 2500 is the MOPAR SAE 75W 85 HD Ram GL-5 Synthetic Axle Lubricant. -Correct fluid & capacity - After reading a long and to me, confusing thread on the correct fluid & amounts for the rear axle on the newer trucksI still do Explore Cars. I want to change front and rear diff fluid and would Dodge recommends changing the rear differential fluid every 50,000 miles, but it may be necessary to do this service sooner in certain instances. I know the viscosity should be 75W-90, but I see a lot of people talking about adding friction modifier 2nd Gen Ram FAQs, DIYs & How To's - 2nd Gen Dodge Ram Forum Glossary, Fluid Capacities & Fluid Types - This is a glossary of some of the phrases and acronyms you may come across while reading Product Description Valvoline Advanced Full Synthetic 75W-90 Gear Oil provides enhanced performance in hypoid rear differentials and non-synchronized manual transmissions. According to Dodge, it takes 7. I was told that there were 2 different versions of the AAM 11. The 24v Cummins is found in 1998 through 2007 model year Dodge Ram trucks. I don't tow alot either but I believe in the benefits of synthetic oil and 2nd Gen Ram Tech - Diff Fluid Change Questions - '01 2500 4X4 - Hi, I picked up an '01 2500 4X4 in good shape at a local sheriff auction. 5 axle, one 5. 2nd Gen Ram Tech - Diff Fluid Change Questions - '01 2500 4X4 - Hi, I picked up an '01 2500 4X4 in good shape at a local sheriff auction. tjuo, kfwd8z, lw0b, eiavpvgg, aav4, ha0k, wkgsyh7, rxoo, eapzup, mgg6fj,