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
Torque Specifications
TORQUE SPECIFICATIONS
| Description | Nm | lb-ft | lb-in | ||
|---|---|---|---|---|---|
| Camshaft sprocket bolt (1) | - | - | - | ||
| Connecting rod bolt (1) | - | - | - | ||
| Engine front cover bolt (1) | - | - | - | ||
| Drive belt tensioner bolts | 25 | 18 | - | ||
| Cylinder head bolt (1) | - | - | - | ||
| Pulley to crankshaft bolt (1) | - | - | - | ||
| EGR valve to intake manifold | 25 | 18 | - | ||
| Exhaust manifold studs | 12 | 9 | - | ||
| Lower intake manifold-to-cylinder head bolt (1) | - | - | - | ||
| Main bearing cap bolt (1) | - | - | - | ||
| Oil filter adapter bolt | 25 | 18 | - | ||
| Heater coolant outlet-to-cylinder head bolts | 10 | - | 89 | ||
| Oil pump screen cover and tube-to-oil pump bolt | 10 | - | 89 | ||
| Oil pan-to-cylinder block bolt (1) | - | - | - | ||
| Oil pan-to-engine front cover bolts (1) | - | - | - | ||
| Oil pump-to-cylinder block bolt | 10 | - | 89 | ||
| Oil pump screen and pickup tube-to-main bearing cap stud spacer bolt | 25 | 18 | - | ||
| Water pump pulley bolts | 25 | 18 | - | ||
| Valve cover bolts and studs | 10 | - | 89 | ||
| Water pump-to-cylinder block bolts | 25 | 18 | - | ||
| EGR valve to exhaust manifold tube nuts | 40 | 30 | - | ||
| Power steering pump to engine | 25 | 18 | - | ||
| Outlet heater water hose to engine front cover bolts | 25 | 18 | - | ||
| Camshaft cap cluster to cylinder head | 19 | 14 | - | ||
| Timing chain tensioner bolts-primary | 25 | 18 | - | ||
| Timing chain tensioner bolts-secondary | 10 | - | 89 | ||
| A/C compressor studs | 25 | 18 | - | ||
| Ignition coil cover bolts | 10 | - | 89 | ||
| Generator mounting bracket retainers | 10 | - | 89 | ||
| Oil level indicator tube retainer | 10 | - | 89 | ||
| Primary timing chain guide-to-engine bolts | 10 | - | 89 | ||
| Oil pump screen and pickup tube spacer to main bearing stud | 25 | 18 | - | ||
| Accelerator cable bracket | 10 | - | 89 | ||
| Belt idler pulley bolt | 25 | 18 | - | ||
| Subframe brace nuts | 41 | 30 | - | ||
| EGR system module heat shield bolts | 10 | - | 89 | ||
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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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