Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la
If it fails: lemon-manuals.org.ua

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Fluid - Differential

Differential Fluid Types

194 RBI (Model 35)
Normal Mopar Gear Lubricant 80W-90
Trailer Towing Mopar Synthetic Gear Lubricant 75W-140

226 RBA (Model 44)
Normal Mopar Gear Lubricant 80W-90
Trailer Towing Mopar Synthetic Gear Lubricant 75W-140

NOTE: Trac-lok and Vari-lok equipped axles require 4 ounces (118 ml) of Limited Slip Additive be added to the lubricant.