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 Navigator RWDFACTORY OEM SERVICE PROCEDURE
Torque Specifications
TORQUE SPECIFICATIONS
| Description | Nm | lb-ft | lb-in | ||
|---|---|---|---|---|---|
| Accelerator splash shield bolts - 5.4L 4V | 10 | - | 89 | ||
| Accelerator splash shield bolts - 4.6L, 5.4L 2V | 7 | - | 62 | ||
| Cylinder head temperature (CHT) sensor | 26 | 19 | - | ||
| Engine coolant temperature (ECT) sensor | 20 | 15 | - | ||
| Heated oxygen sensor | 46 | 34 | - | ||
| Idle air control (IAC) valve bolts | (1) | (1) | (1) | ||
| Knock sensor (KS) | 20 | 15 | - | ||
| Powertrain control module (PCM) mounting bolts | 7 | - | 62 | ||
| PCM bracket mounting bolts to cowl | 7 | - | 62 | ||
| Camshaft position (CMP) sensor bolt | 10 | - | 89 | ||
| Mass air flow (MAF) sensor plate nuts | 10 | - | 89 | ||
| Crankshaft position (CKP) sensor bolt | 10 | - | 89 | ||
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Factory Service Tools
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.
