Chassis Fluids And Lubricants - RAM 1500 2025 Owner's Manual

CAUTION!
●
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 FLUIDS AND LUBRICANTS

Automatic Transmission
Transfer Case – 48-11 Active On-Demand 2–speed Transfer Case
(With 4WD AUTO)
Transfer Case — 48-12 Part Time 2–Speed Transfer Case
(Without 4WD AUTO)
Front Axle
C235 Rear Axle (3.21/3.55)
C235 Rear Axle (3.92)
RB260 Rear Axle (3.92)
Brake Master Cylinder
Component Fluid, Lubricant, or Genuine Part
Use only Mopar® ZF 8 & 9 Speed ATF Automatic Transmission Fluid, or equivalent.
Failure to use the correct fluid may affect the function or performance of your trans-
mission.
We recommend using Mobil Fluid LT.
We recommend using Shell Spirax S2 ATF A389.
We recommend using Mopar® GL-5 Synthetic Axle Lubricant SAE 75W-85.
We recommend using Mopar® Synthetic Gear Lubricant SAE 75W-90 (MS-A0160).
Limited-Slip Rear Axles require the addition of 5 oz. (148 ml) Mopar® Limited Slip
Additive (MS-10111).
We recommend using Mopar® Synthetic Gear Lubricant SAE 75W-140 (MS-8985).
Limited-Slip Rear Axles require the addition of 5 oz. (148 ml) Mopar® Limited Slip
Additive (MS-10111).
We recommend using Mopar® Synthetic Gear Lubricant SAE 75W-90 (MS-A0160).
Limited-Slip Rear Axles require the addition of 5 oz. (148 ml) Mopar® Limited Slip
Additive (MS-10111).
We recommend using Mopar® DOT 3 Brake Fluid, SAE J1703.
TECHNICAL SPECIFICATIONS 353
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