Vortech GM 5.3L/6.2L Light Truck/SUV - 2007-2008 - Manual (Page 15)

P/N: 4GL020-018
©2008 Vortech Engineering, LLC
All Rights Reserved, Intl. Copr. Secured
11NOV08 GM Trk/H2(4GL..018v2.0)
5
A. Locate the large supplied air inlet duct that will
run across the radiator.
B. The fan shroud will need to be modified to allow
access for mounting of the air inlet duct.
C. Remove the two 13 mm headed bolts retaining
the fan shroud (See Fig 5-a).
D. Using the duct as a template, mark the fan shroud
(See Fig 5-b).
E. Lift up on the fan shroud releasing it from the
lower retaining clips.
F. Using an abrasive cut off wheel remove the lip on
the shroud (See Fig 5-b). Reinstall fan shroud.
G. Reinstall the 13 mm bolts removed earlier.
H. Locate the small angled brackets that will be
attached to the air inlet duct. Using the supplied
hardware, attach the brackets to the duct (See
Fig 5-c).
I. Using the supplied M6 bolts and washers, tempo-
rarily attach the duct to the core support using the
factory weld nuts (See Fig 5-b, c).
J. Trim the fan shroud for the electric fans to gain ac-
cess to the screw locations (See Fig 5-c).
K. Remove the air inlet duct temporarily.
5. FAN SHROUD MODIFICATION
AREA TO TRIM
Fig. 5-a
Fig. 5-b
13MM BOLTS TO REMOVE
WELDNUT LOCATION
Fig. 5-c
FACTORY
SHROUD BOLT
SUPPLIED 1/4-20
HARDWARE
SUPPLIED DUCT
MOUNTING TABS
(LEFT & RIGHT)
AREA TO TRIM
(USE SUPPLIED
6mm HARDWARE)