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.
2007 Ford Expedition 4WDFACTORY OEM SERVICE PROCEDURE
Description And Operation: Engine: Notes
NOTE:
Refer to the exploded view under the assembly procedure.
The 5.4L (3V) is a V-8 engine with the following features:
- Single overhead camshafts
- Three valves per cylinder
- Sequential multi-port fuel injection (SFI)
- Aluminum cylinder heads
- Cast iron, 60-degree V cylinder block
- Variable camshaft timing (VCT)
- Individually chain-driven camshafts with a hydraulic timing chain tensioner on each timing chain
- Distributorless ignition system
- Electronic returnless fuel system
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.