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How to Install Husky Front & Rear Mud Guards (14-18 Sierra 1500) on your GMC Sierra

Installation Time

2 hours

Tools Required
  • Phillips Screwdriver
  • 1/8” Drill bit / Driver
  • TX 15 Torx Bit / Driver
  • Drill
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GMC SIERRA FRONT MUD GUARD INSTALLATION INSTRUCTIONS  

Tools Required

  • TX 15 Torx Bit / Driver
  • Drill
  • 1/8” Drill Bit
  • Phillips Head Screwdriver

Package Contents

  • Driver & passenger side front mud guard
  • Instruction sheet
  • #10 SEM Screws (Qty 2)

NOTE: Turn the front wheels all the way to the left or right for mud guard installation. However, it may be necessary to remove the wheels depending on the tools being used for installation.


Determine which mudguard you have by locating the part number molded in the mounting flange (5689 LH 5689 RH).


1. Remove existing fasteners from location C and D. (Do not remove fastener from location B)
2. Install mudguard at locations B and C using factory screws.(Check alignment before tightening)
3. Drill an 1/8” hole into the fender cladding and thru sheet metal.
4. Install mudguard with a #10 SEM screw at location A.


GMC SIERRA REAR MUD GUARD - INSTALLATION INSTRUCTIONS  

Tools Required

  • Phillips Screwdriver
  • 1/8” Drill bit / Driver

Package Contents

  • Driver & passenger side rear mud guards
  • #10 SEM SCREWS (Qty 6)
  • Instruction sheet

MUD GUARD INSTALLATION


NOTE: It may be necessary to remove the wheels before mud guard installation.
Determine which mudguard you have by locating the part number molded in the mounting flange (5789 LH 5789 RH).


1. Using the mudguard as a template, mark and drill an 1/8” hole at locations A, B and C
2. Install #10 SEM screws at locations A, B and C.


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