Vortech GM 5.3L/6.2L Light Truck/SUV - 2007-2008 - Manual (Page 13)

P/N: 4GL020-018
©2008 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
11NOV08 GM Trk/H2(4GL..018v2.0)
3
A. Relieve the fuel system pressure.
B. Disconnect the eight fuel injector wiring clips
and retainers from the injectors.
C. Remove the four 10mm bolts holding down
the fuel rail on the intake manifold. Lift up on
the rails evenly, removing all eight injectors.
D. Using a small amount of clean motor oil, light-
ly lubricate the O-rings on both ends of the
Vortech supplied fuel injectors.
E. Install the new injectors into the fuel rails with
the terminals facing outward.
F. Carefully lower the fuel rail/injector assembly
down onto the intake manifold. Check to see
that each injector has been seated properly
into the manifold.
G. Tighten down the fuel rail assembly with the
original bolts and attach the wiring clips to the
injector terminals.
3. FUEL INJECTOR REPLACEMENT
NOTE: Complete removal of the fuel rail will aid in injector replace-
ment. Separate the fuel rail supply line from the rail using
springlock disconnect tool.