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2021 RAM 2500 Owners Manual - CHASSIS FLUIDS AND LUBRICANTS



CHASSIS FLUIDS AND LUBRICANTS

Component

Fluid, Lubricant, or Genuine Part

Automatic Transmission – Eight-Speed Automatic

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 transmission.

Transfer Case

We recommend you use Mopar® Transfer Case Lubricant for Borg Warner 44-44 and 44-45.

Front and Rear Axle

We recommend you use SAE 75W-85 HD Ram GL-5 Synthetic Axle Lubricant in 9.25 Front, 11.5 and 12.0 (Single Rear Wheel) Rear Axles. Use Mopar® GL-5 Synthetic Gear Lubricant SAE 75W-140 in 12.0 (Dual Rear Wheel) Rear axles. Limited slip additive is required for limited slip axles.

Brake Master Cylinder

We recommend you use Mopar® DOT 3.

Power Steering Reservoir

We recommend you use Mopar® Power Steering Fluid +4 or Mopar® ATF+4 Automatic Transmission Fluid.

9

Component

Fluid, Lubricant, or Genuine Part

Automatic Transmission – 68RFE

Only use 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.

Automatic Transmission – AS69RC

Only use Mopar® ASRC Automatic Transmission 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

We recommend you use SAE 75W-85 HD Ram GL-5 Synthetic Axle Lubricant in 9.25 Front, 11.5 and 12.0 (Single Rear Wheel) Rear Axles. Use Mopar® GL-5 Synthetic Gear Lubricant SAE 75W-140 in 12.0 (Dual Rear Wheel) Rear axles. Limited slip additive is required for limited slip axles.

Brake Master Cylinder

We recommend you use Mopar® DOT 3.


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