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How to Install Westin HDX Drop Nerf Step Bars - Textured Black (07-18 Silverado 1500 Crew Cab) on your Chevy Silverado

Installation Time

1 hours

American Muscle
Shop Parts in this Guide

1. Remove contents from box, verify if all parts listed are present and free from damage.
Carefully read and understand all instructions before attempting installation.
Failure to identify damage before installation could lead to a rejection of any claim.

NOTE: For installation on diesel equipped vehicles.
*DEF tank is located on the Front Passenger Side of the vehicle
2016 & Down Models
 Def tank must be removed and lowered. Follow the instructions on page 4.
 Return to page 2 and follow instructions 1-7.
 Reinstall Def tank.
2017 & Up Models
 Def Tank does not need to be removed, only remove the DEF tank cover. Follow the instructions on page 5.
 Return to page 2 and follow instructions 1-7
 Reinstall Def tank cover.

1. Starting on the driver side, remove the rubber plugs located on the rocker panel at each mounting location. See Figure 1. 

2. For models with welded nuts: At each bracket mounting location on the pinch weld there should either be a welded fac-tory nut or a hole. If there is a factory welded nut present, then the M8 U-Nut Clip (Item 11) will not be used at that loca-tion. See Figure 2 for the factory welded nut.  


3. Insert (1) M8 u-nut clip (Item 11) into the hole where the rubber plug was removed. Clip (1) M8 u-nut clip onto pinch weld if no factory welded nut is present. Locate (1) Mounting Bracket B (Item 5) and loosely secure it to the rocker panel using the provided hardware: (2) M8 hex head bolt long, (2) M8 flat washer, and (2) M8 lock washer. See Figure 3. 

4. Repeat Step 3 for every other bracket mounting location, see Page 3 for bracket orientation and location. 

5. Locate (1) Mounting Bracket A (Item 4) and go to the front passenger side mounting location or passenger rear for 1500 crew cab models. Loosely secure mount bracket A to the rocker panel using (2) M8 hex head bolt long, (2) M8 flat washer, (2) M8 lock washer and (2) M8 u-nut clip. See Figure 4. Note: For installation on diesel equipped vehicles follow diesel exhaust fluid tank removal instructions on page 3 & 4. Refer to Page 3 bracket orientation figures.  


6. For Step Board installation, tilt board at angle to insert brackets into mounting locations. With the previously installed mounting brackets use the supplied M8 hardware with M8 hex head bolt short, then loosely install. See Figure 5 and 6. 

7. Align and adjust the step bars and brackets as needed, then fully tighten all hardware: M8 to 20 ft-lbs.  


2007 - 2016 DIESEL EXHAUST FLUID TANK REMOVAL INSTRUCTIONS  w/Diesel Power Train Only 




2017 & Up Diesel Models, Note : Using a 10MM wrench, remove the four bolts that hold the DEF tank plastic cover to the vehicle before installing brackets. Once step bar is fully installed, fas-ten the tank cover back on. See below Fig. A 



Care Instructions

 REGULAR WAXING IS RECOMMENDED. DO NOT USE ANY TYPE OF POLISH OR WAX THAT MAY CONTAIN ABRASIVES.

 STAINLESS STEEL PRODUCTS CAN BE CLEANED WITH MILD SOAP AND WATER. STAINLESS STEEL POLISH SHOULD BE USED TO POLISH SMALL SCRATCHES.

 GLOSS BLACK FINISHES SHOULD BE CLEANED WITH MILD SOAP AND WATER.

Failure to follow these instructions could lead to death, personal injury, and / or property damage.

FASTENERS:  All Westin supplied fasteners must be utilized and installed in accordance with the installation in-structions and apply torque to the specifications as defined. DOUBLE CHECK ALL FASTENERS BEFORE INITIAL USE, AND PERIODICALLY IN THE FUTURE TO ENSURE PROPER FUNCTION AND SAFETY. 

DRILLING:  Most Westin products do not require drilling for installation. If drilling is defined as required, use caution when drilling a vehicle. FAILURE TO REVIEW AN AREA TO BE DRILLED MAY RESULT IN PERSONAL INJURY AND/OR INJURY TO OTHERS AS WELL AS VEHICLE DAMAGE. 

EYE PROTECTION:  ALWAYS WEAR SAFETY GLASSES OR GOGGLES DURING THE INSTALLATION PROCESS TO AVOID PERSONAL INJURY. 

MAXIMUM TOWING/CARRYING CAPACITY:  The Westin Receiver Hitches will have a visible tow rating label affixed directly on the product. Us-er should never exceed the vehicle manufacturers maximum tow and weight rating regardless of the capacity of the hitch. FAILURE TO FOLLOW THESE GUIDELINES WILL VOID THE WESTIN WARRANTY AND MAY RESULT IN PERSONAL INJURY AND/OR INJURY TO OTHERS AS WELL AS VEHICLE DAMAGE. 

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