Ram Trucks 2013 Chassis Cab - Owner Manual - Manual (Page 451)

Chassis
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission (5.7L Engine Only) We recommend you use MOPAR ௡ ATF+4௡ Automatic
Transmission Fluid. Failure to use ATF+4 fluid may
affect the function or performance of your transmission.
Transfer Case We recommend you use MOPAR ௡ ATF+4௡ Automatic
Transmission Fluid.
Front and Rear Axle Fluid (4500/5500) We recommend you use GL-5 SAE 75W-90 Synthetic
(MS-9763) .
Brake Master Cylinder We recommend you use MOPAR ௡ DOT 3 and SAE J1703.
If DOT 3 brake fluid is not available, then DOT 4 is acceptable.
Power Steering Reservoir We recommend you use MOPAR ௡ Power Steering Fluid +4,
MOPAR ௡ ATF+4௡ Automatic Transmission Fluid.
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MAINTAINING YOUR VEHICLE 449