CAUTION!
• Mixing of engine coolant (antifreeze) other than specified Organic Additive
Technology (OAT) engine coolant (antifreeze), may result in engine damage and
may decrease corrosion protection. Organic Additive Technology (OAT) engine
coolant is different and should not be mixed with Hybrid Organic Additive
Technology (HOAT) engine coolant (antifreeze) or any “globally compatible”
coolant (antifreeze). If a non-OAT engine coolant (antifreeze) is introduced into
the cooling system in an emergency, the cooling system will need to be drained,
flushed, and refilled with fresh OAT coolant (conforming to MS.90032), by an
authorized dealer as soon as possible.
• 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.
• This vehicle has not been designed for use with propylene glycol-based engine
coolant (antifreeze). Use of propylene glycol-based engine coolant (antifreeze)
is not recommended.
Chassis
Component
Fluid, Lubricant, or Genuine Part
Automatic Transmission – If Equipped
6.7L Diesel with (Six-Speed 68RFE) –
2500/3500 Pickup models without PTO
Only use ATF+4 Automatic Transmission
Fluid. Failure to use ATF+4 fluid may af-
fect the function or performance of your
transmission.
We
recommend
Mopar
ATF+4 fluid.
Automatic Transmission – If Equipped
6.7L Diesel with (Six-Speed AS69RC) –
Pickup models with PTO and All Chassis
Cab models
Only use Mopar ASRC Automatic Transmis-
sion Fluid or equivalent. Failure to use the
proper fluid may affect the function or
performance of your transmission.
Transfer Case
We recommend you use Mopar BW44–
44 Transfer Case Fluid.
Front and Rear Axle Fluid (2500/3500)
We recommend you use SAE 75W-85 HD
Ram GL-5 Synthetic Axle Lubricant. Lim-
ited slip additive is not required for
Limited-Slip Rear Axles.
Front and Rear Axle Fluid (4500/5500)
We recommend you use GL-5 SAE 75W-
90 Synthetic (MS-9763). Limited slip ad-
ditive is not required for Limited-Slip Rear
Axles.
Clutch Linkage
We recommend you use Mopar Multi-
Purpose Grease, NLGI Grade 2 E.P. or
equivalent.
Manual Transmission (G-56) – If Equipped We recommend you use Mopar ATF+4 Au-
tomatic Transmission Fluid or equivalent
licensed ATF+4 product.
M A I N T A I N I N G Y O U R V E H I C L E
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