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

7.5 Inch Premium Rear Axle Lubricant XY-80W90-QL or -KL (WSP-M2CI 97-A)

8.8 Inch Premium Rear Axle Lubricant XY-80W90-QL or -KL (WSP-M2CI 97-A)

NOTE: All conventional axles use Motorcraft Premium Rear Axle Lubricant XY-80W90-QL or -KL or equivalent meeting Ford specification WSP-M2C1 97-A.

Traction-Lok axles Ford Friction Modifier F3TZ-19B546-MA or equivalent meeting Ford specification WSP-M2C1 96-A.