DECKED MN4 User Manual
Installation Instructions:
MN4
NISSAN FRONTIER
6'1” BED LENGTH
2005-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
Watch installation videos at www.DECKED.com/video | Register your system at www.DECKED.com/warranty
FOLLOW US:
VERSION 1
DECKED.COM | SERVICE@DECKED.COM | 208.806.0251
• Electric drill
• 9/64" drill bit
• 7/16" drill bit
• 5/16" drill bit
• Drill stop
• Self-etching primer (available at
most auto supply or hardware stores)
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▼ HEY! TORQUE BOY: READ BEFORE YOU INSTALL DECKED ▼
1. DON'T over tighten bolts, get em' good 'ole hand-tight.
2. DON'T use power tools.
3. If you don't follow directions and do use power tools:
1). Set clutch at a very low setting.
2). Don't blow it.
3). If you blow it, see NOTE.*
NOTE* Two extra threaded inserts are included in BAG
PREP-EXTRA. That's all you get.
▼ ASSEMBLY OVERVIEW ▼
DRIVER SIDE DECK
(NARROW)
PASSENGER SIDE
DECK (WIDE)
4). DON'T over tighten J-hooks during installation.
Make 'em good and snug enough to keep the
system from moving in the bed.
5). Do read these instructions closely.
PASSENGER SIDE
AMMO CAN LID
PASSENGER SIDE
STUD "YUP"
DRIVER SIDE
AMMO CAN LID
DRIVER SIDE
STUD "YUP"
CENTER VERT
DRIVER SIDE
AMMO CAN
CCHANNEL
CABSIDE VERT
PASSENGER SIDE
AMMO CAN
CCHANNEL
TAILGATE
TORSION
BRACE
Need Help? Watch our installation videos or give us a call. We’re happy to help!
SERVICE@DECKED.COM | 208.806.0251 | DECKED.COM/VIDEO
ASSEMBLY: CENTER VERT + CABSIDE VERT
NOTE: Perform the next few steps on a flat surface like a garage floor.
• Attach center vert to cabside vert with four bolts. Alternate to tighten; BAG S1.
PLACE HOOK ON CENTER VERT
OVER NOTCH IN CABSIDE VERT
CENTER VERT
CABSIDE VERT
S1
HELPFUL TIP: BAG S1, a.k.a "Bunker Hill," is required
for most of the steps, so keep it close! These bolts are
highlighted throughout instructions in RED.
MN4 | V1 | Page 1
ASSEMBLY: LOOSELY ATTACH STUDS (YUP)
• LOOSELY attach studs to cabside vert with six bolts; BAG S1.
DRIVER
SIDE STUD
MN4 | V1 | Page 2
PASSENGER
SIDE STUD
CABSIDE VERT
S1
KEEP LOOSE
S1
KEEP LOOSE
(YOGA HELPS)
ASSEMBLY: ALIGN & TIGHTEN STUDS (YUP)
NOTE: This step ensures the studs are properly located before tightening bolts. It's important.
• Place ammo cans to support tailgate end of deck panels.
• Lift deck panels on center vert + stud + cabside vert assembly.
• Slide studs around L-R until deck panels are seated.
• DETAIL A: Loosely secure four bolts to hold decks onto studs; BAG S1.
• Now you can securely tighten the bolts that hold the studs to the cabside vert.
• Unbolt deck from studs, remove deck panels, save bolts, remove ammo cans and set aside for later assembly.
DETAIL A
S1
A
YOU WILL REMOVE AND SAVE THESE BOLTS
AFTER TIGHTENING CABSIDE VERT + SHIM
BOLTS
TIGHTEN AND SECURE
HELPFUL TIP: This step seems like a waste of time,
but Dr. DECKED says it's important...don't skip out.
MN4 | V1 | Page 3
PREP BED: MARK CENTER OF BED
• Use a marking pen or wax pencil to mark a centerline (blue) on the raised center bead.
DETAIL A
MAKE SURE MARK SITS AT LEAST
14" HIGH (SO YOU CAN SEE IT)
MN4 | V1 | Page 4
A
➡
CAB
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