FixVault

General Specifications

WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
GENERAL SPECIFICATIONS

Item Specification
Backlash Specifications 
Backlash between differential ring gear and pinion teeth 0.13-0.20 mm (0.005-0.008 in)
Backlash maximum variation between checkpoints 0.005 mm (0.002 in)
Rotational Torque Ranges 
Pinion bearing preload (pinion only) 2.26-5.09 Nm
(20-45 lb-in)
Total preload (pinion plus differential) For Model 60 or Model 70 with a 3.54 or 3.73 ratio, add 0.9 Nm (8 lb-in). For Model 60 or Model 70 with a 4.10 or 4.56 ratio or a Model 70 TR with a 4.63 or 5.13 ratio, add 0.8 Nm (7 lb-in).