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DECKED MG3 User Manual

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Installation Instructions:
MG3  MG4
CHEVY COLORADO/GMC CANYON
5'2" or 6' 2” BED LENGTH
NOTE: Most of the images in these instructions are of the short bed, but they apply to both len
gth beds
2015-CURRENT
TOOLS REQUIRED
Adjustable wrench (that opens to about 1”)
1/2” open end wrench
#2 Phillips screwdriver,
Short 7/32” hex wrench
7/16” deep socket
3/8” socket
Electric drill
9/64" drill bit
Drill stop
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DECKED MG3 Specifications

General IconGeneral
BrandDECKED
ModelMG3
CategoryAutomobile Accessories
LanguageEnglish

Summary

Getting Started

Tools Required

Lists all necessary tools for installing the DECKED system in a Chevy Colorado/GMC Canyon.

Installation Guidelines

Key advice and warnings to follow before and during the DECKED installation process.

PREP BED

Mark Center of Bed

Instructions on marking the center line on the truck bed for accurate DECKED system placement.

Install Shims

Detailed steps for cleaning the bed and applying the provided shims at specific locations.

Cabside Tie-Downs

Process for securing factory tie-downs using provided brackets, bolts, and nuts.

ASSEMBLY

Center Vert + Cabside Vert

Instructions for attaching the center and cabside vertical supports using bolts.

Loosely Attach Studs

Loosely attaching the driver and passenger side studs to the cabside vertical support.

Align & Tighten Studs

Securing deck panels to studs by aligning and tightening bolts, then removing panels.

Stud Brackets

Attaching the driver and passenger side stud brackets to the respective studs.

Mount Assembly

Lifting the assembled structure into the truck bed and aligning it with centerline marks.

INSTALL

C-Channel

Positioning and fastening the C-channels to the ammo cans and studs on both sides.

Deck Halves

Placing and securing the driver and passenger side deck panels onto the assembled structure.

J-Hooks

Assembling and loosely installing the J-hook components into the ammo cans.

DRAWERS

Brackets + Wheels

Attaching brackets and wheels to the drawer components using specific bolts and hex wrench.

Axle Wheels + Weatherstrips

Installing tailgate wheels onto drawer axles and correctly positioning weatherstrips on drawer edges.

FINAL STEPS

Torsion Brace + Bottle Opener

Installing the torsion brace and aligning/tightening the bottle opener onto the center vert.

The Ruler

Attaching the ruler to the deck panels, including drilling and securing with screws.

Ammo Can Lids

Securing the driver and passenger side ammo can lids and installing optional drawer locks.

DECKED 3-YEAR LIMITED WARRANTY

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