Section 249 (Rear Drive Axle/Differential-9.75IN.): Specifications
WARNING: This page is about a different car, the 2003 Lincoln Navigator and 2003 Ford Expedition. However, it is still accessible from the selected car via links, so may be relevant.
GENERAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Lubricants and Sealants | |
| SAE 75W-140 Synthetic Rear Axle Lubricant XY-75W140-QL | WSL-M2C192-A |
| Additive Friction Modifier XL-3 | EST-M2C118-A |
| Premium Long-Life Grease XG-1-C | ESA-M1C75-B |
| Ultra Silicone Rubber F7TZ-19554-AA | WSS-M4G320-A3 |
| Threadlock and Sealer E0AZ-19554-AA | WSK-M2G351-A5 |
| Backlash Specifications | |
| Differential case maximum runout | 0.076 (0.003) |
| Backlash between ring gear and pinion teeth | 0.254-0.305 (0.010-0.012) |
| Ring gear maximum backlash variation between teeth | 0.102 (0.004) |
| Pinion flange maximum radial runout in assembly | 0.203 (0.008 T.I.R.) |
| Rotational Torque Ranges | |
| Pinion bearing preload (used pinion bearing) | 0.9-1.5 Nm (8-14 Lb-In) |
| Pinion bearing preload (new pinion bearing) | 1.8-3.3 Nm (16-29 Lb-In) |
| Minimum breakaway torque - (Traction-Lok®) | 27 Nm (20 Lb-Ft) |