General Specifications
STEERING SYSTEM GENERAL SPECIFICATIONS
| Item | Specification |
|---|---|
| Lubricants | |
| Motorcraft MERCON® Multi-Purpose (ATF) Transmission Fluid XT-2-QDX | MERCON® |
| Fluid capacity (included in pump reservoir fill) | 1.3 L (2.7 pt) (approximate) |
| Power Steering Gear | |
| Type | Rack and Pinion |
| Ratio - Navigator (all) and Expedition vehicles built before 6/2002 | 17:1 |
| Ratio - Expedition vehicles built 6/2002 onward | 20:1 |
| Static steering wheel turning effort Navigator Expedition | 4.0 N.m (35 lb-in) 5.0 N.m (44 lb-in) |
| Turning effort Navigator Expedition | 2.14 kg (4.7 lbs) 2.68 kg (5.9 lbs) |
| Turns of steering wheel (lock to lock - linkage disconnected) | 3.3 |
| Power Steering Purge Vacuum | |
| Minimum vacuum | 67-84 kPa (20-25 in-Hg) |
| Power Steering Pump | |
| Flow (Navigator) | 3.0 gpm +/- 0,2 @ 50 psi and 2,500 rpm |
| Flow (Expedition) | 3.0 gpm +/- 0.2 @ 50 psi and 1,000 rpm 2.5 gpm +/- 0.2 @ 50 psi and 2,800 rpm |
| Minimum capacity | 1.6 gpm @ 750 psi and 500 rpm |
| Relief pressure | 1,300-1,480 psi |