Ram Trucks 2015 3500 - Owner Manual - Manual (Page 840)

Component Fluid, Lubricant, or Genuine Part
Rear Axle – 1500 Models We recommend you use MOPAR® Synthetic Gear Lu-
bricant SAE 75W-140 (MS-8985). Limited-Slip Rear Ax-
les require the addition of 5 oz. (148 ml) MOPAR®
Limited Slip Additive (MS-10111).
Front and Rear Axle – 2500/3500 Models We recommend you use Synthetic, GL-5 SAE, 75W-90.
Limited slip additive is not required for Limited-Slip
Rear Axles.
Brake Master Cylinder We recommend you use MOPAR® DOT 3. If DOT 3
brake fluid is not available, then DOT 4 is acceptable.
Power Steering Reservoir – 2500/3500 Models We recommend you use MOPAR® Power Steering Fluid
+4 or MOPAR® ATF+4® Automatic Transmission Fluid.
838 MAINTAINING YOUR VEHICLE