Intake Manifold - 5.4L: Removal
WARNING: This page is about a different car, the 2008 Ford RV Cutaway, 2008 Ford Econoline, 2008 Ford E450 Super Duty, and 2008 Ford Cutaway. However, it is still accessible from the selected car via links, so may be relevant.
WARNING:
Do not smoke, carry lighted tobacco or have an open flame of any type when working on or near any fuel-related component. Highly flammable mixtures are always present and may be ignited. Failure to follow these instructions may result in serious personal injury.
WARNING:
Before working on or disconnecting any of the fuel tubes or fuel system components, relieve the fuel system pressure to prevent accidental spraying of fuel. Fuel in the fuel system remains under high pressure, even when the engine is not running. Failure to follow this instruction may result in serious personal injury.
- Remove the engine cover. For additional information, refer to INTERIOR TRIM AND ORNAMENTATION article.
- Disconnect the fuel supply tube spring lock coupling. For additional information, refer to FUEL SYSTEM - GENERAL INFORMATION - GASOLINE AND DIESEL article.
- Disconnect the battery ground cable. For additional information, refer to BATTERY, MOUNTING AND CABLES article.
- Drain the cooling system. For additional information, refer to ENGINE COOLING article.
- Remove the throttle body (TB) spacer. For additional information, refer to FUEL CHARGING AND CONTROLS - 4.6L (2V) AND 5.4L (2V) article.
- Compress and slide the hose clamp and disconnect the upper radiator hose.
- Disconnect the coolant hose.
- Remove the 3 bolts and the generator upper support bracket.
- Remove the transmission fluid indicator and tube support bracket bolt.
- Remove the nut and position the transmission fluid indicator and tube aside.
- Disconnect the evaporative emissions (EVAP) tube quick connect coupling from the LH valve cover. For additional information, refer to FUEL SYSTEM - GENERAL INFORMATION - GASOLINE AND DIESEL article.
- If equipped, disconnect the auxiliary heater hoses and position aside. For additional information, refer to CLIMATE CONTROL SYSTEM - GENERAL INFORMATION AND DIAGNOSTICS article.
- Disconnect the quick connect couplings and remove the PCV tube. For additional information, refer to FUEL SYSTEM - GENERAL INFORMATION - GASOLINE AND DIESEL article.
- Disconnect the fuel rail pressure and temperature sensor vacuum hose and the electrical connector.
- Disconnect the 8 ignition coil electrical connectors.
- Disconnect the 8 fuel injector electrical connectors.
- Remove the 8 bolts and the 8 ignition coils.
- Remove the 2 bolts, the thermostat housing and the thermostat.
- Discard the O-ring seal.
- Remove the 9 bolts, the intake manifold assembly and discard the intake manifold gaskets.
NOTE:
LH shown, RH similar.
NOTE:
LH shown, RH similar.