F 150 2WD V8-4.6L (2008)
Coolant Bypass Tube and Intake Manifold
Disassembly
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.
1. Remove the 4 fuel rail stud bolts.
2. NOTE: When removing the fuel rail, leave the fuel injectors in the intake manifold. This will make removal of the fuel rail easier.
Separate the fuel rail from the fuel injectors and remove the fuel rail.
3. Remove fuel injectors.
^
Discard the O-ring seals.
4. Disconnect and remove the PCV coolant hose.
5. Remove the 4 throttle body (TB) bolts and the TB.
^
Discard the TB gasket.
6. Remove the EGR system module bolts and the EGR system module.
^
Discard the EGR system module gasket.
7. Remove the 6 coolant bypass tube bolts.
8. Remove the coolant bypass tube.
^
Discard the gaskets.
Assembly
1. Position new coolant bypass tube gaskets, the coolant bypass tube and install the 6 bolts.
^
Tighten to 10 Nm (89 lb-in).
2. Install a new EGR gasket (with the raised gasket surface facing the throttle body spacer) and the EGR system module and the bolts.
^
Tighten to 25 Nm (18 lb-ft).