2004 F 150 Heritage 4WD | Fuel Rail Service & Repair | Bi-Fuel
All engines
1. NOTE: Lubricate the new O-ring seals with clean engine oil to aid installation.
Install new O-ring seals, as required.
2. Install the fuel injectors into the fuel injection supply manifold.
3. Position the fuel injection supply manifold and install the four bolts.
4. Connect the climate control vacuum connector.
4.6L engines