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INSTALLATION INSTRUCTIONS
GRILLE GUARD
2001-02 SILVERADO 2500HD-3500
Part # 4050-2/4050
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GRILLE GUARD
2001-02 SILVERADO 2500HD-3500
PARTS LIST:
1 Grille Guard 10 12-1.75mm x 40mm Hex Bolts
1 Driver/Left Frame Mounting Bracket 22 12mm x 32mm OD x 3mm Flat Washers
1 Passenger/Right Frame Mounting Bracket 6 12mm Lock Washers
1 Driver/Left Top Bracket 12 12mm Nylon Lock Nuts
1 Passenger/Right Top Bracket 2 10-1.50mm x 25mm Button Head Allen Bolts
2 3-hole Spacers 4 10mm x 24mm OD x 2.2mm Flat Washers
1 Allen Wrench 2 10mm Nylon Lock Nuts
Passenger/Right
Top Bracket
Driver/left
Top Bracket
Driver/left Frame
Mounting Bracket
Passenger/Right Frame
Mounting Bracket
(2) Spacer Plates
PROCEDURE:
1. REMOVE CONTENTS FROM BOX. VERIFY ALL PARTS ARE PRESENT. READ
INSTRUCTIONS CAREFULLY BEFORE STARTING INSTALLATION. ASSISTANCE IS
RECOMMENDED. CUTTING MAY BE REQUIRED
2. Starting at the front of the vehicle, locate the opening in the lower bumper cover at the front
end of the frame. Remove the driver side tow hook if equipped. Move the driver side tow hook
to the passenger side. Remove the passenger side tow hook and move it to the driver side
frame channel. Do not bolt in place at this time.
3. Select the driver side Frame Mounting Bracket. Hold the Frame Bracket up to and over the
outside of the frame. Line up the (2) holes in the Bracket with the holes in the side and bottom
of the frame and the tow hook inside of the frame. Bolt the Bracket to the frame and tow hook
with the included (2) 12mm x 40mm Hex Bolts and 12mm Flat Washers. Do not tighten
hardware at this time. IMPORTANT: It is up to the installer to determine if the tow hooks can
be properly reinstalled. The factory holes in the frame may need to be opened up slightly due
to manufacturing tolerances and inconsistency.
NOTE: On models without tow hooks, bolt the Frame Bracket to the frame with the included
(2) 12mm x 40mm Hex Bolts, (4) 12mm Flat Washers and (2) 12mm Nylon Lock Nuts. Do
not tighten hardware at this time. IMPORTANT: Some trimming of the plastic bumper cover
or cutting openings in the bottom of the cover may be required to clear Brackets.
4. Repeat Step 3 to install the passenger side Frame Mounting Bracket.
5. Open the hood on the vehicle. Remove the plastic cover on top of the grille between the
radiator and the grille. Release the clips on the back of the grille and remove the grille.
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GRILLE GUARD
2001-02 SILVERADO 2500HD-3500
6. Locate and remove the factory hex bolt on the top of the frame and bumper bracket behind the
bumper, (long vertical bolt). Bolt the driver side Top Bracket to the top of the frame with the
factory hex bolt, 12mm Lock Washer and 12mm Flat Washer. NOTE: It may be necessary to
trim some plastic from the bumper cover to clear the Top Bracket. Leave loose at this time.
7. Repeat Step 6 for passenger side Top Bracket installation.
8. With assistance, place the Grille Guard up to the inside of the Frame Mounting Brackets. Slide
(1) Spacer Plate in between the Grille Guard and the Frame Bracket, as required, for additional
side to side adjustment. Secure the Grille Guard to the driver side Brackets with (3) 12mm x
40mm Hex Bolts, (6) 12mm Flat Washers and (3) 12mm Nylon Lock Nuts. Repeat to attach the
passenger side of the Grille Guard to the Brackets. Do not tighten hardware at this time.
9. Next, move to the driver side Top Bracket installed in Step 6. Line up the Top Bracket with the
hole in the Grille Guard upright. Attach the Top Bracket to the upright with (1) 10mm x 25mm
Button Head Bolt, (2) 10mm Flat Washers and (1) 10mm Nylon Lock Nut. Leave loose at this
time. Repeat this Step to attach the passenger side Top Bracket to the Grille Guard.
10. With the hood open, align, center and adjust the Grille Guard properly and tighten all Mounting
Bracket hardware. Carefully close the hood and check for clearance. Adjust the Brackets for fit
as necessary and again, fully tighten all hardware.
11. Reinstall the grille and plastic cover removed in Step 5.
12. Do periodic inspections to the installation to make sure that all hardware is secure and tight.
To protect your investment, wax this product after installing. Regular waxing is recommended to
add a protective layer over the finish. Do not use any type of polish or wax that may contain abrasives
that could damage the finish.
For stainless steel: Aluminum polish may be used to polish small scratches and scuffs on the finish.
Mild soap may be used also to clean the Grille Guard.
For gloss black finishes: Mild soap may be used to clean the Grille Guard.
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Bolt the Top Bracket to the
Grille Guard with:
10mm x 25mm Button Head Bolt
(2) 10mm Flat Washers
10mm Nylon Lock Nut
Reuse the factory top
bumper bracket bolt with:
(1) 12mm Lock Washer
(1) 12mm Flat Washer
If necessary, insert Spacer between
Bracket and Grille Guard for
additional side to side adjustment
GRILLE GUARD
2001-02 SILVERADO 2500HD-3500
Remove tow hooks if equipped
Move driver side tow hook to
passenger side, passenger
side tow hook to driver side to
clear Grille Guard Brackets
(2) 12mm x 40mm Hex Bolts
(2) 12mm Flat Washers
Bolt the Frame Bracket to the
outside of the frame channel and to
the inner tow hook.
On models without tow hooks, bolt
Bracket to frame with:
(2) 12mm x 40mm Hex Bolts
(4) 12mm Flat Washers
(2) 12mm Nylon Lock Nuts
Driver/left side Top and Frame Mounting Bracket installation illustrated
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