Installation Instructions
15 GMC HD Premium Front Bumper
Product Number: C3150, C3151, C3152
Application: 2015-2019 GMC HD
Copyright 2008 Fab Fours, Inc.
Page 6 of 21
C315X_REV_A
Figure 3b (BOLT ACCESS FOR TOP BOLT ON MOUNTING BRACKET)
E.
Remove the fasteners connecting the OEM mounting bracket
to the frame. Using a socket/wrench remove four bolts from the front
of bracket connected to the bumper. Repeat process on each side of
vehicle.
F.
Remove OEM electrical harness from bumper. Disconnect
harness from fog lights and sensors. Pop out the three plastic clips
holding fog lights to fog light housing and carefully pull away. The
plastic clips are indicated by a circle. Unbolt bumper support frames
as necessary to more easily access sensors (Ref. Figure 6).
Figure 6