ComponentFluid, Lubricant, or Genuine Part
Front and Rear Axle – 2500/3500 Models We recommend you use SAE 75W-85 HD Ram GL-5
Synthetic Axle Lubricant. 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.
702 MAINTAINING YOUR VEHICLE