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
Lower Intake Manifold: Notes
MATERIALS
| Item | Specification |
|---|---|
| Motorcraft Premium Engine Coolant VC-4-A (in Canada CXC-10, in Oregon VC-5) or equivalent (green color) | ESE-M97B44-A |
| Motorcraft Premium Gold Engine Coolant VC-7-A (in Oregon VC-7-B) or equivalent (yellow color) | WSS-M97B51-A1 |
- Remove the upper intake manifold. For additional information, refer to UPPER INTAKE MANIFOLD .
- Drain the cooling system. For additional information, refer to ENGINE COOLING .
- Disconnect the spring lock couplings. For additional information, refer to Fuel Lines and Fuel Filter in FUEL SYSTEM .
- Remove the exhaust gas recirculation (EGR) system module tube. For additional information, refer to EXHAUST GAS RECIRCULATION (EGR) VALVE .
- Remove the components in the order indicated in the following illustration and table.
- To install, reverse the removal procedure.
Factory Service Tools
Use the Manual With the Right Hardware
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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.