Installation Instructions
15 GMC HD Premium Front Bumper
Product Number: C3150, C3151, C3152
Application: 2015-2019 GMC HD
Copyright 2008 Fab Fours, Inc.
Page 11 of 21
C315X_REV_A
Figure 7
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Optional: If installing winch and roller fairlead into bumper, do it
after sensors have been installed. Follow the winch
manufacturer’s instructions for installation.
IV. Front Bumper Installation
A.
Mount bracket to truck frame. Two bolts pass through the
sides of the frame. One bolt passes through the bottom of the frame
(Ref. 8a-b). Mount on both sides. If holes on the side of frame are out
of tolerance then enlarge hole with 9/16 drill as needed on side of
frame.
Figure 8a
Figure 8b
B.
Mount bracket to bumper. With the help of at least two others,
