AXLE LUBRICATIONDiamlerChrysler recommends using Mopar® lubricants or lubricants of equal quality.FRONT AXLE- 186 FBI (Model 30) - Mopar® Gear Lubricant 80W-90
- 216 FBI (Model 44) - Mopar® Gear Lubricant 80W-90
REAR AXLE- 198 RBI (Model 35) - Mopar® Gear Lubricant 80W-90 (Trailer Towing Mopar® Synthetic Gear Lubricant 75W-140)
- 226 RBI (Model 44) - Mopar® Gear Lubricant 80W-90 (Trailer Towing Mopar® Synthetic Gear Lubricant 75W-140)
Trac-lok® equipped axles require 0.1 L (3.4 ounces) of Limited Slip Additive in the lubricant.