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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 (B3L Assist Step) >> Removal Procedure

Removal Procedure

  1. GM5589691Courtesy of GM

    Front Bumper Fascia (2) - Remove - Front Bumper Fascia Removal and Installation (with WTX) , or Front Bumper Fascia Removal and Installation (with RC1)

  2. GM5523134Courtesy of GM

    Apply two layers of masking tape to the painted surface around the top edge of the air inlet grille panel extensions (1) to prevent paint damage.

  3. Using a suitable plastic trim tool, carefully release the air inlet grille panel extension clips.
  4. Air Inlet Grille Panel Extension (1) - Remove
  5. GM5532143Courtesy of GM

    Hood Rear Outer Air Inlet Seal Retainer (1) - Remove

  6. Hood Rear Outer Air Inlet Seal (2) - Remove
  7. Remove the front tire and wheel assembly. Tire and Wheel Removal and Installation (Aluminum Wheel)
  8. GM5513753Courtesy of GM

    Front Wheelhouse Liner Bolt (1) - Remove [3x]

  9. GM5513756Courtesy of GM

    Front Wheelhouse Liner (1) - Remove

  10. GM5600777Courtesy of GM

    Front Fender Insulator Retainer (1) - Remove

  11. Pull the front fender insulator (2) down and out from the front fender.
  12. GM4999140Courtesy of GM

    Using the appropriate tool, release the foam insulation on the front compartment side rail baffle (1) from the fender.

  13. GM5540987Courtesy of GM

    Front Bumper Fascia Guide Bolt (1) - Remove [2x]

  14. Front Bumper Fascia Guide (2) - Remove
  15. Extend the assist steps in the vehicle personal optimization chapter in the owners manual.
    16. NOTE:

    Closing the doors will not re-tract the assist steps.

  16. Scroll to Deploy Running Boards on the navigation screen.
  17. Open both front and rear side doors
  18. GM5586892Courtesy of GM

    Rocker Panel Molding Bolt (1) - Remove

  19. GM5587629Courtesy of GM

    Rear Wheelhouse Liner Bolt (1) - Remove [2x]

  20. GM5586893Courtesy of GM

    Using an appropriate trim tool, release the lower rocker panel molding retainers and pull the rocker panel molding (1) away from the body side outer panel.

  21. Using an appropriate trim tool, release the upper rocker panel molding retainers and pull the rocker panel molding (1) away from the body side outer panel.
  22. Rocker Panel Molding (1) - Remove
  23. GM5604778Courtesy of GM

    Headlamp Bolt (1) - Remove

    24. NOTE:

    Apply a double layer of masking tape to the windshield to prevent damaging the windshield.

  24. Front Fender Bolt (2) - Remove [4x]
  25. Front Fender Bolt (3) - Loosen
  26. GM5604779Courtesy of GM

    Front Fender Bolt (1) - Remove [4x]

  27. Front Fender Nut (2) - Remove
  28. Headlamp Bolt (3) - Remove
  29. GM5604780Courtesy of GM

    Front Fender (1) - Remove

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