Vortech 2006 Titan - Manual (Page 8)

P/N: 4NT020-010
©2007 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
09JUN07 v1.1 NissanTitan(4NTv1.1)
2
2. FUEL INJECTOR REPLACEMENT
A. Relieve the fuel system pressure.
B. Disconnect the eight fuel injector plugs and
retaining clips from the injectors.
C. Install the factory injector retaining clips onto
the new injectors.
D. Remove the four screws that hold down the
fuel rail to the intake manifold. Lift up on the
rails evenly and remove all eight injectors
E. Using a small amount of clean motor oil,
lightly lubricate the O-rings on both ends of
the Vortech supplied fuel injectors.
F. Install the new injectors into the fuel rails with
the terminals facing outward.
G. Carefully lower the fuel rail/injector assembly
down onto the intake manifold. Check to see
that each injector has been seated properly
into the intake manifold.
H. Install the four supplied .45"L spacers
between the fuel rails and the intake mani-
fold. Use the supplied bolts to secure.
I. Use supplied plug & play connectors to con-
nect the OEM plug to the supplied fuel injec-
tors.
J. Attach the injector plugs to the injectors.