Westin 57-3965 User manual

1
Westin Automotive Products, Inc.
320 W. Covina Blvd
San Dimas, Ca. 91773
Thank you for choosing Westin products
for additional installation assistance please call
Customer Service [phone]
www.westinautomotive.com
P.N.: 75-57396-RevA ECO #: W18-0072 DATE: 11/11/19
INSTALLATION INSTRUCTIONS
HDX GRILLE GUARD
APPLICATION:
2019 GMC Sierra 1500
PART NUMBER:
57-3965, 57-3960
11HDX GRILLE GUARD ASSEMBLY RATCHET
2,3 2LOWER MOUNTING BRACKET—DRIVER & PASSENGER 10MM SOCKET
4,5 2UPPER SUPPORT STRAP—DRIVER & PASSENGER 12MM SOCKET
62LOWER SUPPORT BRACKET 16MM SOCKET
76M12 HEX HEAD CAP SCREW SHORT (YELLOW ZINC) 18MM SOCKET
82M12 HEX HEAD CAP SCREW LONG (YELLOW ZINC) ALLEN WRENCH
98M12 SPLIT LOCK WASHER (YELLOW ZINC) TORQUE WRENCH
10 14 M12 FLAT WASHER SMALL (YELLOW ZINC) FLAT HEAD SCREW-
DRIVER
11 2M12 FLAT WASHER LARGE (YELLOW ZINC)
12 8M12 HEX NUT (YELLOW ZINC) CUTING TOOL
13 2M10 BUTTON HEAD BOLT (BLACK) (SS*)
14 2M10 BELLVILLE WASHER (BLACK) (SS*)
15 2M10 SERRATED FLANGE NUT (BLACK) (SS*)
16 6M12 BUTTON HEAD BOLT (BLACK) (SS*)
17 6M12 SERRATED FLANGE NUT (BLACK) (SS*)
18 6M12 BELLVILLE WASHER (BLACK) (SS*)
ANTI-SEIZE LUBRICANT MUST BE USED ON ALL STAINLESS STEEL FASTENERS TO PREVENT THREAD DAMAGE AND GALLING
ITEM 2ITEM 1 ITEM 3
ITEM 4 ITEM 5 ITEM 6
*Raw Stainless Steel hardware is for polished stainless grille guards

2
Westin Automotive Products, Inc.
320 W. Covina Blvd
San Dimas, Ca. 91773
Thank you for choosing Westin products
for additional installation assistance please call
Customer Service [phone]
www.westinautomotive.com
P.N.: 75-57396-RevA ECO #: W18-0072 DATE: 11/11/19
PROCEDURE
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.
2. Start by removing the fender trim on both sides. See Figure 1.
3. Remove the indicated bolt in Figure 2 in order to remove the bumper trim.
Figure 1
Figure 2

3
Westin Automotive Products, Inc.
320 W. Covina Blvd
San Dimas, Ca. 91773
Thank you for choosing Westin products
for additional installation assistance please call
Customer Service [phone]
www.westinautomotive.com
P.N.: 75-57396-RevA ECO #: W18-0072 DATE: 11/11/19
3. Remove the two screws from the inner fender trim as indicated in Figures 3-4
4. Using a trim removal tool or large flat head screwdriver, carefully pry on the bumper trim to pop out the retainer clips hold-
ing it on. Work your way to the middle starting from either side.
5. Moving to the front fog light pods, remove the bolt behind each pod, you will have to pry part of the rim to access this bolt.
6. Remove the center bolt holding on the bumper trim (above the front license plate area). See Figure 5
7. Then using a flat head screwdriver, pop out the remaining retainer clips. Remove the bumper trim. See Figures 6-8
Figure 3 Figure 4
Figure 6Figure 5

4
Westin Automotive Products, Inc.
320 W. Covina Blvd
San Dimas, Ca. 91773
Thank you for choosing Westin products
for additional installation assistance please call
Customer Service [phone]
www.westinautomotive.com
P.N.: 75-57396-RevA ECO #: W18-0072 DATE: 11/11/19
8. Remove the upper cover under the hood using a trim removal tool. There are multiple retainers that hold this piece on. See
Figure 9.
Figure 7
Figure 11
Figure 8
Figure 9 Figure 10
9. Remove bolts attaching grille to vehicle. See Figure 9.
10. Pry grille wings of vehicle. See Figure 10.
11. Pry clip attaching the bottom of the grille to the vehicle. See Figure 11.

5
Westin Automotive Products, Inc.
320 W. Covina Blvd
San Dimas, Ca. 91773
Thank you for choosing Westin products
for additional installation assistance please call
Customer Service [phone]
www.westinautomotive.com
P.N.: 75-57396-RevA ECO #: W18-0072 DATE: 11/11/19
12. Remove the passenger bumper bolt as indicated in Figure 12. Slide the upper support strap in between the grille and bump-
er. Loosely install the upper support strap, reusing the factory bolt. Repeat on the driver side. See Figures 12-13.
Figure 13
Driver side shown
Figure 12
Passenger side shown
13. Measure from the outside face to the outer face of the other support bracket (where the brackets will meet the grille guard).
Ensure that the measurement is 40.5 inches. Tighten down the factory bumper bolts. See Figure 14
14. Replace the bumper trim that was previously removed.
Measurement must be 40.5 inches
Figure 14

6
Westin Automotive Products, Inc.
320 W. Covina Blvd
San Dimas, Ca. 91773
Thank you for choosing Westin products
for additional installation assistance please call
Customer Service [phone]
www.westinautomotive.com
P.N.: 75-57396-RevA ECO #: W18-0072 DATE: 11/11/19
15. You will need to trim the valence around the light pod area. Using the diagrams below, cut out the area in order to clear-
ance the lower mounting bracket. Cut out the shape of the bracket with a little extra room using the dimensions from the
diagrams below.
Note: Front Valence trimming will be required!
3.25 in
1.75 in
Mounting brack-
et
Front View
(In inches)
Front View
(In inches)
Top
Driver
Side

7
Westin Automotive Products, Inc.
320 W. Covina Blvd
San Dimas, Ca. 91773
Thank you for choosing Westin products
for additional installation assistance please call
Customer Service [phone]
www.westinautomotive.com
P.N.: 75-57396-RevA ECO #: W18-0072 DATE: 11/11/19
16. Using supplied M12 hardware, loosely install the lower mounting and support bracket on to each side of the frame. See Fig-
ure 13-14.
Frame Rail
Figure 15
2
8
7
10
11
12
6
Driver Side Shown
Passenger Side Shown
Figure 16
8

8
Westin Automotive Products, Inc.
320 W. Covina Blvd
San Dimas, Ca. 91773
Thank you for choosing Westin products
for additional installation assistance please call
Customer Service [phone]
www.westinautomotive.com
P.N.: 75-57396-RevA ECO #: W18-0072 DATE: 11/11/19
17. With help, loosely assemble the grille guard using supplied M10 and M12 hardware. See Figure 15.
18. Align Grille Guard as needed and then torque as specified: M10 to 35-40 ft-lbs and M12 to 55-60 ft-lbs.
13
Figure 17
Driver Side Shown
14
15
16
18
17
2
6
4
1

9
Westin Automotive Products, Inc.
320 W. Covina Blvd
San Dimas, Ca. 91773
Thank you for choosing Westin products
for additional installation assistance please call
Customer Service [phone]
www.westinautomotive.com
P.N.: 75-57396-RevA ECO #: W18-0072 DATE: 11/11/19
INSTALLATION COMPLETE
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.

10
Westin Automotive Products, Inc.
320 W. Covina Blvd
San Dimas, Ca. 91773
Thank you for choosing Westin products
for additional installation assistance please call
Customer Service [phone]
www.westinautomotive.com
P.N.: 75-57396-RevA ECO #: W18-0072 DATE: 11/11/19
Failure to follow these instructions could lead to death, personal injury, and / or property damage.
WARNING
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: (if applicable)
The Westin Receiver Hitches will have a visible tow rating label affixed directly on the product.
User 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.
FOR CALIFORNIA RESIDENTS ONLY-PROP 65 WARNING:
Some products may contain chemicals such as DEHP, which can cause cancer, birth defects or
other reproductive harm. For more info go to www.p65warnings.ca.gov