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Home >> GMC >> 2021 >> Yukon XL AT4 >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Bolted Exterior Body Panels And Closures >> Repair Instructions >> Front Fender Replacement (BVE Assist Step) >> Installation Procedure

Installation Procedure

  1. GM4999140Courtesy of GM

    Apply Structural foam 3M™ NVH Dampening Material or Sem Panel Vibration Control Material or equivalent to the front compartment side rail baffle (1).

  2. GM5604780Courtesy of GM

    Front Fender (1) - Install

  3. GM5604779Courtesy of GM
    CAUTION:

    Refer to Fastener Caution .

    Front Fender Bolt (1) - Install and tighten [4x] - Fastener Specifications 

  4. Front Fender Nut (2) - Install and tighten - Fastener Specifications 
  5. Headlamp Bolt (3) - Install and tighten - Fastener Specifications
  6. GM5604778Courtesy of GM

    Headlamp Bolt (1) - Install and tighten - Fastener Specifications

  7. Front Fender Bolt (2) - Install and tighten [3x] - Fastener Specifications 
  8. Front Fender Bolt (3) - Tighten - Fastener Specifications 
  9. GM5586893Courtesy of GM

    Position the rocker panel molding (1) to the vehicle and seat the upper rocker panel molding retainers into the body side outer panel.

  10. Seat the lower rocker panel molding retainers into the body side outer panel.
  11. GM5587629Courtesy of GM

    Rear Wheelhouse Liner Bolt (1) - Install and tighten [2x] - Fastener Specifications

  12. GM5586892Courtesy of GM

    Rocker Panel Molding Bolt (1) - Install and tighten - Fastener Specifications

  13. GM5527895Courtesy of GM

    Install the assist step (1) under the loosened bolts.

  14. GM5527820Courtesy of GM

    Assist Step Bolt (1) @ Rocker Panel - Install and tighten [6x] - Fastener Specifications

  15. GM5527483Courtesy of GM

    Assist Step Bolt (1) @ Rocker Panel - Tighten [3x] - Fastener Specifications

  16. GM5540987Courtesy of GM

    Front Bumper Fascia Guide (2) - Install

    17. NOTE:

    The final torque on the front bumper fascia guide bolt (1) is to be applied during the front bumper fascia removal and installation procedure.

  17. Front Bumper Fascia Guide Bolt (1) - Install and hand tighten [2x]
  18. GM5589691Courtesy of GM

    Front Bumper Fascia (1) - Install - Front Bumper Fascia Removal and Installation (with WTX) , or Front Bumper Fascia Removal and Installation (with RC1)

  19. GM5600777Courtesy of GM

    Front Fender Insulator (2) - Install

  20. Front Fender Insulator Retainer (1) - Install
  21. GM5513756Courtesy of GM

    Front Wheelhouse Liner (1) - Install

  22. GM5513753Courtesy of GM

    Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications

  23. GM5513751Courtesy of GM

    Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications

  24. GM5513749Courtesy of GM

    Front Wheelhouse Liner Retainer (2) - Install

  25. Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications
  26. GM5513747Courtesy of GM
    NOTE:

    Quantity of fasteners may vary based on option content.

    Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications

  27. GM5522093Courtesy of GM

    {If equipped} Front Tire Front Air Deflector Bolt (1) - Install and tighten - Fastener Specifications

  28. Install the front tire and wheel assembly. Tire and Wheel Removal and Installation (Aluminum Wheel)
  29. GM5532143Courtesy of GM

    Hood Rear Outer Air Inlet Seal (2) - Install [2x]

  30. Hood Rear Outer Air Inlet Seal Retainer (1) - Install
  31. GM5523134Courtesy of GM

    Air Inlet Grille Panel Extension (1) - Install [2x]

  32. Remove the double layer of masking tape around the perimeter of the painted surfaces.
  33. Using a 50/50 mixture of isopropyl alcohol and clean drinkable water with a clean towel, remove any left over adhesive residue from the masking tape.
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