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 or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

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Fluid - Differential

Differential Oil Capacity

7.5/8.8-Inch Ring Gear 2.4 L (5 pints)
8.8-Inch Ring Gear High Torque 2.54 L (5.37 pints)
Service Refill Level All 6.4 - 14.3 mm (0.25 - 0.56 in)
Below the bottom of the axle cover filler hole

Additive Friction Modifier
7.5/8.8-Inch Ring Gear - Traction-Lok Only
C8AZ-19B546-A or equivalent to Ford Specification EST-M2C118-A
8.8-Inch Ring Gear High Torque
XL-3 or equivalent to Ford Specification EST-M2C118-A