User Manual - Page 620

For RAM 2018 2500.

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CAUTION! (Continued)
Do not use water alone or alcohol-based engine
coolant (antifreeze) products. Do not use additional
rust inhibitors or antirust products, as they may not
be compatible with the radiator engine coolant and
may plug the radiator.
(Continued)
CAUTION! (Continued)
This vehicle has not been designed for use with
propylene glycol-based engine coolant (antifreeze).
Use of propylene glycol-based engine coolant (anti-
freeze) is not recommended.
Chassis
Component Fluid, Lubricant, or Genuine Part
Automatic Transmission Eight-Speed Automatic Use only Mopar ZF 8&9 Speed ATF Automatic Transmis-
sion Fluid, or equivalent. Failure to use the correct fluid
may affect the function or performance of your transmis-
sion.
Automatic Transmission Six-Speed Automatic with Gaso-
line Engine (For Diesel Engine see Diesel Supplement)
Use only ATF+4 Automatic Transmission Fluid. Failure to
use ATF+4 fluid may affect the function or performance of
your transmission. We recommend Mopar ATF+4 fluid.
Transfer Case We recommend you use Mopar BW44–44 Transfer Case
Fluid.
Front Axle 1500 Four-Wheel Drive Models We recommend you use Mopar GL-5 Synthetic Axle Lubri-
cant SAE 75W-85.
618 TECHNICAL SPECIFICATIONS
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