
Before returning this product
to the store of purchase
Contact Dee Zee if you experience the following problems:
•MissingParts
•InstallationProblems/Questions
•WarrantyQuestions
1.800.779.2102
Hoursofoperation:8am-5pmCST,Mon-Friday
Reviewcompletewarrantypolicyandregisteryourproductat:
www.deezee.com

Dee Zee Running Board Installation Instructions
Congratulations on your purchase of a quality Dee Zee product. Dee Zee is
recognized as having the highest quality running boards and accessories on
the market today. We have earned this reputation by offering our customers
a product they can be proud to place on their vehicles. Dee Zee meets all
the criteria of manufacturing a custom-fit product which guarantees it to
be the easiest product to install.
Note: Please take time to read all of the instructions before beginning this installation.
War ning! Please check for wiring or other obstr uctions before drilling any holes into
the vehicle. If it is necessar y to drill any holes into the vehicle, Dee Zee recommends
putting a sealant or rust inhibitor around all holes drilled into the body of the vehicle.
War ning! It is the sole responsibility of the vehicle owner to check for tire clearance.
War ning! It is unlawful and dangerous to ride on r unning boards or side box boards
while the vehicle is in motion.
Cleaning Instructions: To maintain the bright finish of your Dee Zee running boards,
clean with a mild deter gent. For our stainless steel products and accessories, the
application of a high grade automotive type wax is recommended.
If you should happen to have any questions with this product or you have an
installation question, please feel fr ee to call us at:
1-800-779-8222
If you would like to find out mor e infor mation on Dee Zee’s products please
feel free to visit our website at:
WWW.DEEZEE.COM

ROUGH STEP RUNNING BOARD INSTALLATION INSTRUCTION
ROUGH STEP RUNNING BOARD INSTALLATION INSTRUCTIONROUGH STEP RUNNING BOARD INSTALLATION INSTRUCTION
ROUGH STEP RUNNING BOARD INSTALLATION INSTRUCTION
DZ 1558, DZ 1559 CHEVY & GMC EXT/CREW CAB 2014-CURRENT
DZ 1558, DZ 1559 CHEVY & GMC EXT/CREW CAB 2014-CURRENTDZ 1558, DZ 1559 CHEVY & GMC EXT/CREW CAB 2014-CURRENT
DZ 1558, DZ 1559 CHEVY & GMC EXT/CREW CAB 2014-CURRENT
A B
RUNNING BOARD FRONT BRACE
C
MIDDLE BRACE
E H
END CAP ANGLE BRACKET 1/4 X 3/4" HEX
F G
D
STRAP BRACKET
REAR BRACE
HEAD BOLT
I J
DZ 1559 1 of 7 8/7/2013
1/4 X 1" HEX 1/4" FLAT WASHER
HEAD BOLT
K
1/4" HEX NUT

Locate the 3 mounting locations.
The driver's side is shown. The front of the vehicle is to the left of the picture.
TOOLS REQUIRED
1
DZ 1559 2 of 7 8/7/2013

Remove the bolt from the body shock mount at each of the mounting locations using a 21mm socket.
2
REMOVE
BOLT
DZ 1559 3 of 7 8/7/2013

Put the body shock mount bolt through the hole in the brace and thread it back into the body shock
mount. Align the braces so that they are perpendicular to the side of the vehicle. Tighten the bolts
to 44 ft-lbs plus another half turn.
The driver's side is shown. The front of the vehicle is to the left of the pictures.
3
DZ 1559 4 of 7 8/7/2013

Pre-assemble the end cap [E] and strap bracket [G] using two 1/4" short bolts [H], four washers [J],
and two nuts [K]. Leave the parts somewhat loose for the next step.
Slide the pre-assembled end cap into the end of the board [A] until the end cap is flush with the
end of the board. The end cap must be inside the board and the strap bracket outside the board.
Tighten the bolts with a 7/16" wrench and socket.
Before attaching the second end cap, slide three of the strap bracket [G] into the running board.
Attach the other end cap.
4
5
DZ 1559 5 of 7 8/7/2013

Align the strap brackets [G] that were placed inside the board in the previous step with the
braces that are attached to the vehicle. Place an angle brace [F] on the brace board mounting area.
Attach the board to the brace using the long 1/4" bolt [I], 1/4" washer [J], and 1/4" nut [K].
Do not completely tighten at this time.
6
DZ 1559 6 of 7 8/7/2013

Align the board with the vehicle from from to back and in/out.
Once the board is in the desired location, tighten the bolts that attach the board to the brace
using a 7/16" wrench and socket.
Make sure all bolts are tightened. Repeat steps for other side.
7
DZ 1559 7 of 7 8/7/2013