Installation (4.6L)

WARNING: To reduce the risk of fire and personal injury, ensure fuel injector "O" rings are installed properly. If "O" rings are color coded, ensure Black "O" ring is positioned on upper portion of injector, and Brown "O" ring is positioned on lower portion of injector. The "O" rings are identical in size, but are made of different materials.

To install, reverse removal procedure. Lubricate NEW injector "O" rings with clean engine oil. Position fuel rail into intake manifold housing. Push down on rail to seat injectors in manifold housing. Tighten fuel rail assembly and bracket bolts to specification. See TORQUE SPECIFICATIONS . To complete installation, reverse removal procedure.