General Specifications
WARNING: This page is about a different car, the 2003 Ford RV Cutaway, 2003 Ford Econoline, 2003 Ford E550 Super Duty, 2003 Ford E450 Super Duty, and 2003 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
REAR DRIVE AXLE/DIFFERENTIAL - FORD 8.8-INCH RING GEAR GENERAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Lubricants and Sealants | |
| SAE 75W-140 High Performance Rear Axle Lubricant F1TZ-19580-B | WSL-M2C192-A |
| Additive Friction Modifier C8AZ-19B546-A | EST-M2C118-A |
| Premium Long-Life Grease XG-l-C | ESA-M1C75-B |
| Silicone Rubber D6AZ-19562-AA | ESB-M4G92-A or ESE-M4G195-A |
| Threadlock® and Sealer EOAZ-19554-AA Loctite® | WSK-M2G351-A5 |
| Backlash Specifications | |
| Backlash between ring gear and pinion teeth | 0.203-0.381 mm [0.305-0.381 mm preferred] (0.008-0.015 in [0.012-0.015 in preferred]) |
| Ring gear maximum backlash variation between teeth | 0.102 mm (0.004 in) |
| Rotational Torque Ranges | |
| Pinion bearing preload (used pinion bearings) | 0.9-1.5 Nm (8-14 lb-in) |
| Pinion bearing preload (new pinion bearings) | 1.8-3.3 Nm (16-29 lb-in) |
| Handle | 2.2 Nm (20 lb-in) |
| Clearance Specifications | |
| Differential case maximum runout | 0.076 mm (0.003 in) |
| Maximum axle shaft end play | 0.762 mm (0.030 in) |
| Pinion maximum runout | 0.25 mm (0.010 in) T.I.R. |
| RABS sensor air gap | 0.127-1.143 mm (0.005-0.045 in) |