N-FAB GFC17CC-TX Growler Running Boards Instruction Manual
- June 13, 2024
- n-FAB
Table of Contents
PART# GFC17CC-TX
17-19 Silv/Sierra
HD Crew Dsl Eng
GROWLER
RUNNING BOARDS
INST-02688
GFC17CC-TX Growler Running Boards
Components and Hardware: HWKT-00195X
Components and Hardware:
- Driver side board…………………………………………………………………(1)
- Passenger side board………………………………………………………….(1)
- Mounting bracket………………………………………………………………..(5)
- Mounting bracket………………………………………………………………..(2)
- Mounting bracket………………………………………………………………..(1)
- Mounting bracket………………………………………………………………..(1)
- M8-1.2x25mm hex bolt…………………………………………………………(13)
- M8 fender washer……………………………………………………………….(18)
- M8-1.25 hex nut…………………………………………………………………..(5)
- M8-1.25x20mm Barrel U-clip………………………………………………(3)
- 3/8”-16×1” flanged hex bolt…………………………………………………(14)
- Clamp plate……………………………………………………………………….(7)
Tools for Installation:
Ratchet wrench
13mm wrench
13mm socket
9/16” socket
INSTALL
Step 1. Look on the underside of the body and locate the factory mounting
locations.
Step 2. If your vehicle is not equipped with upper threaded holes, remove the
plastic body plugs and install the supplied (#10) barrel u clips. 
Step 3. Beginning with the driver side, install (#3)x3 mounting brackets
using the supplied (#7)x6 M8x25mm hex bolt, (#8)x9 M8 fender washer and (#9)x3
M8 hex nut and loosely fasten. 
Step 4. Set running board along the
top x3 brackets and center along the cab. 
Step 5. Insert the supplied
threaded clamp plate (#6)x3 inside the running board lip over the top of each
bracket.
Step 6. With the supplied (#11)x6 3/8” x 1” hex bolts, secure each
mounting location and leave loose. 
Step 7. After final adjustment,
tighten all running board threaded mounts. (35 ft/lbs)
Step 8. Next, adjust frame brackets so the running board is level with
body of the vehicle and tighten all factory mounting locations. (15-20 ft/lbs)
Step 9. For passenger side, remove the (x3) 13mm bolts, (x2) 10mm bolts
and (x2) 10mm nuts that attach the Def tank cover. Remove and set
aside.
Step 10. Feed (#5)x1 upper bracket between
the body and the Def tank until you locate the tab into the OE hole. The
bracket will hang once placed correctly.
Step. 11. The second bracket will attach to the body with one of the
supplied (#7)x1 M8x25 mm hex bolts and (#8)x1 M8 fender washer. 
Step 12. Using the supplied (#7)x4 M8x25mm hex bolts and
(#8)x6 washers begin hand tightening both upper and lower mounts to the rear
two brackets.
Step 13. Next, attach the two front brackets to the rocker panel brackets
that you installed in steps 10, 11 and hand tighten. 
Step 14. Repeat the board install like in steps 5-7.
Step 15. Tighten all mounting bracket hardware to (20 ft/lbs).
Step 16. Re-install the DEF tank cover that was removed in step 9 and
tighten to factory specs. 
N-FAB® TECHNICAL SUPPORT
PHONE: M-F 8am – 5pm EST 1-800-449-6649
EMAIL: [email protected]
FOR WARRANTY INFORMATION VISIT: WWW.N-FAB.COM
References
- Fab | A Digital Asset Marketplace for Content Creators
- N-Fab Steps, Running Boards & Accessories | RealTruck