Operation CHARM: Car repair manuals for everyone.
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)

Or, hide this message: temporarily or permanently

Fluid - Differential

Front 4x4 Axles (F-150/250) 4x4 gear oil

Front 4x4 Axles (F-350) Rear Axle Lubricant

Ford Conventional and Traction-Lok Axles (F-150/250/350 Motorcraft 80W90

F-Super Duty Rear Axle, Dana 80 Rear Axle Lubricant

F-150 with 4.10: Rear Axle Ratio Motorcraft High Performance Rear Axle Ratio