Differential Clutch Pack - Model 60-1U Trac-Lok®--Exploded View
WARNING: This page is about a different car, the 2002 Ford RV Cutaway, 2002 Ford Econoline, 2002 Ford E550 Super Duty, 2002 Ford E450 Super Duty, and 2002 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
The Model 60 differential clutch packs have clutch discs with concentric grooves and clutch plates with radial grooves. The Model 70 Power-Lok® differential has paper-coated clutch packs. Prior to assembly, soak the clutch packs for 20 minutes in Additive Friction Modifier C8AZ-19B546-A or equivalent meeting Ford specification EST-M2C118-A. Arrangement of these plates and discs is at the option of the vehicle manufacturer. During disassembly, note the arrangement of these components to maintain their order during assembly.