Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
2003 Lincoln Aviator AWDFACTORY OEM SERVICE PROCEDURE
Steering System: Specifications: Notes
General Specifications
| Item | Specification |
|---|---|
| Lubricants | |
| Motorcraft MERCON® Multi-Purpose Transmission Fluid XT-2-QDX | MERCON® |
| Power Steering Gear | |
| Turning effort | 4.5 kg (10 lb) |
| Tie-rod articulation torque | 1-3 Nm |
| Parking (average) | 2.4 Nm |
| Turns lock-to-lock | 3.0 |
| Power Steering Purge Vacuum | |
| Air purge vacuum | 68-85 kPa (20-25 in-Hg) |
| Power Steering Pump | |
| Flow rate @ 74°--80°C (165°--175°F) and engine speed set at 2,100 rpm and power steering analyzer set at 345 kPa (50 psi) | 9.5 liters/minute (2.5 gpm) (constant flow) |
| Relief pressure | 1740 psi (max.) |
Factory Service Tools
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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