PARTS LIST:
1 Passenger Side Bar 2 10mm x 37mm bolt tab
1 Driver Side Bar 14 10-1.50mm x 30mm Hex Head Bolts
1 Passenger Side Front Mounting Bracket 6 10mm Hex Nuts
1 Driver Side Front Mounting Bracket 16 10mm Lock Washers
1 Passenger Side Rear Mounting Bracket 20 10mm ID x 22mm OD x 1.5mm Flat Washers
1 Driver Side Rear Mounting Bracket 2 10mm Nut Plates
2 Front Support Bracket 99-10 2 12-1.75mm x 30mm Hex Head Bolts
2 Rear Support Brackets 99-10 2 12mm Hex Nuts
2 Front Support Bracket 2011 4 12mm ID x 29mm x 3mm Flat Washers
2 Rear Support Brackets 2011 2 12mm Lock Washers
2011 Passenger Side
Front Support Bracket
2500/3500 Models
Passenger Side
Rear Bracket
Passenger Side
Front Bracket
INSTALLATION INSTRUCTIONS
99-11 CHEVY SILVERADO REG CAB / 01-11 CHEVY HD REG CAB
99-11 GMC SIERRA REG CAB / 01-11 GMC SIERRA HD REG CAB
PART NUMBER 224017/224017-2
99-10 Passenger Side
Front Support Bracket
99-10 Rear Support Brackets
10mm Nut Plates
2011 Passenger Side
Rear Support Bracket
2500/3500 Models
99-10 Driver Side
Front Support Bracket
10mm Bolt tabs
2011 Driver Side
Rear Support Bracket
2500/3500 Models
Driver Side
Rear Bracket
Driver Side
Front Bracket
2011 Driver Side
Front Support Bracket
2500/3500 Models
Page 1 of 4 03/08/2011
PROCEDURE:
1. REMOVE CONTENTS FROM BOX. VERIFY ALL PARTS ARE PRESENT. READ INSTRUCTIONS
CAREFULLY BEFORE STARTING INSTALLATION.
2. From underside of vehicle remove front, and rear body mount bolts. Do not remove bushings.
3. Hang driver side front, and rear Mounting Brackets into position by partially threading factory body
mounting bolts back into body mounts (Fig 1).
4. Locate the two factory holes in the bottom of the frame towards the front of the vehicle. Insert (1) Nut
Plate through oval hole and orient Nut Plate towards the front round hole, (Fig 2).
5. Attach driver side front Support Bracket to already inserted Nut Plate by partially threading (1) 10mm x
30mm Hex Head Bolt, (1) 10mm Lock washer, and (1) 10mm Flat Washer (Fig 3 & 4).
(1999-11) Front brace brackets 1500 Models:
Attach opposite side of driver side front Support Bracket to outside hole in the Mounting Bracket using
the included (1) 10mm x 30mm Hex Head Bolt, (1) 10mm Hex Nut, (1) 10mm Lock Washer, and (2)
10mm Flat Washers (Fig 3). Do not tighten at this time.
(1999-10) Front brace brackets 2500 Models:
Note that the Support Bracket will not reach the Mounting Bracket (Fig 4). Tighten the Support Bracket
to Nut Plate in the frame. Carefully push up on the Support Bracket until it reaches the inside hole in the
Mounting Bracket (Fig 5). Attach opposite side of driver side front Support Bracket to inside hole in the
Mounting Bracket using the included (1) 10mm x 30mm Hex Head Bolt, (1) 10mm Hex Nut, (1) 10mm
Lock Washer, and (2) 10mm Flat Washers (Fig 6). Do not tighten at this time.
(2011) Front brace brackets 2500 Models:
Attach driver side front Support Bracket to the already inserted Nut Plate by partially threading (1)
10mm x 30mm Hex Bolt, (1) 10mm Lock washer, and (1) 10mm Flat Washer as seen in (Fig 7)
Attach opposite side of driver side front Support Bracket to outside hole in the Mounting Bracket using
the included (1) 10mm x 30mm Hex Head Bolt, (1) 10mm Hex Nut, (1) 10mm Lock Washer, and (2)
10mm Flat Washers (Fig 7A). Do not tighten at this time.
(1999-11) 1500 and (1999-10) 2500 Models Rear brace brackets
6. From the inner side of the Rear body mount, place (1) Rear Support Bracket onto front side of the body
mount. Attach Rear Support Bracket to body mount using the included (1) 12-1.75mm x 30mm Hex
Head Bolt, (1) 12mm Hex Nut, (1) 12mm Lock Washer, and (2) 12mm Flat Washers (Fig 8 & 9). Do not
tighten at this time. NOTE: Larger hole on the Rear Support Bracket mounts to body mount.
7. Attach opposite side of Rear Support Bracket to Rear Mounting Bracket using the included (1) 10-
1.50mm x 30mm Hex Head Bolts, (1) 10mm Hex Nuts, (1) 10mm Lock Washers, and (2) 10mm Flat
Washers (Fig 8 & 9). Do not tighten at this time.
8. (2011) 2500 Models: Middle brace brackets
Located just above the mount bracket there is a oblong hole as seen in (Fig 10) place the bolt tab in the
hole, select the driver side brace bracket and secure it to the bolt tab with (1) 10mm Hex Nut, (1) 10mm
Lock Washer, and (1) 10mm Flat Washers attach opposite side of driver side Rear Support Bracket to
inside hole in the Mounting Bracket using the included (1) 10mm x 30mm Hex Head Bolt, (1) 10mm
Hex Nut, (1) 10mm Lock Washer, and (2) 10mm Flat Washers (Fig 10A). Do not tighten at this time.
9. Carefully position Driver Side Bar onto Mounting Brackets. Attach Side Bar to Mounting Brackets using
the included (4) 10-1.50mm x 30mm Hex Head Bolts, (4) 10mm Lock Washers, and (4) 10mm Flat
Washers (Fig 11).shows front bracket attaching to side bar, Do not tighten at this time.
10. Level and adjust Side Bar, then tighten all hardware at this time.
11. Repeat steps 2-10 for passenger Side Bar.
12. Do periodic inspections to the installation to make sure that all hardware is secure and tight.
Page 2 of 4 03/08/2011