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.
2004 Lincoln Aviator AWDFACTORY OEM SERVICE PROCEDURE
Line Pressure
LINE PRESSURE
| Trans. | Transmission Model/Application | Range | Idle | WOT Stall | ||
|---|---|---|---|---|---|---|
| PCC | Line | PCC | Line | |||
| 5R55S | 4.6L | R | 621 - 827 kPa (90-120 psi) | 621 -827 kPa (90-120 psi) | 772-924 kPa (112-134 psi) | 1,944-2,620 kPa (282-380 psi) |
| N | 0-103 kPa(0-15 psi) | 621 -827 kPa (90-120 psi) | ||||
| (D)3, 2, 1 | 0-103 kPa(0-15 psi) | 552-758 kPa (80-110 psi) | 0-103 kPa(0-15 psi) | 1,572-1,813 kPa (228-263 psi) | ||
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.