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Home >> Chevrolet >> 2021 >> Tahoe Z71 >> Repair and Diagnosis >> Body & Frame >> Exterior Body Panels >> Bolted Exterior Body Panels And Closures >> Repair Instructions >> Front Fender Replacement (B3L - Assist Step) >> Installation Procedure

Installation Procedure

  1. Apply Structural foam 3M™ NVH Dampening Material or Sem Panel Vibration Control Material or equivalent to the front compartment side rail baffle (1).
    GM4999140Courtesy of GENERAL MOTORS COMPANY
  2. Front Fender (1) - Install
    GM5577861Courtesy of GENERAL MOTORS COMPANY
  3. Front Fender Bolt (1) - Install and tighten [4x] - Fastener Specifications 
    GM5577860Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

  4. Front Fender Nut (2) - Install and tighten - Fastener Specifications 
  5. Headlamp Bolt (3) - Install and tighten - Fastener Specifications
  6. Headlamp Bolt (1) - Install and tighten - Fastener Specifications
    GM5577859Courtesy of GENERAL MOTORS COMPANY
  7. Front Fender Bolt (2) - Install and tighten [3x] - Fastener Specifications 
  8. Front Fender Bolt (3) - Tighten - Fastener Specifications 
  9. Position the rocker panel molding (1) to the vehicle and seat the upper rocker panel molding retainers into the body side outer panel.
    GM5586893Courtesy of GENERAL MOTORS COMPANY
  10. Seat the lower rocker panel molding retainers into the body side outer panel.
  11. Rear Wheelhouse Liner Bolt (1) - Install and tighten [2x] - Fastener Specifications
    GM5587629Courtesy of GENERAL MOTORS COMPANY
  12. Rocker Panel Molding Bolt (1) - Install and tighten - Fastener Specifications
    GM5586892Courtesy of GENERAL MOTORS COMPANY
  13. Assist Step (2) - Install
    GM5542940Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Position the assist step plates so they line up with the assist step bracket bolts.

  14. Assist Step Bracket Bolt (1) - Install and tighten [4x] - Fastener Specifications
  15. Electrical Connector (1)@Assist Step Lamp (2) - Connect
    GM5535939Courtesy of GENERAL MOTORS COMPANY
  16. Assist Step Insert (2) - Install
    GM5535923Courtesy of GENERAL MOTORS COMPANY
  17. Assist Step Shield Bolt (1) - Install and tighten [7x] - Fastener Specifications
  18. Assist Step Front Finish Cap (1) - Install
    GM5535639Courtesy of GENERAL MOTORS COMPANY
  19. Assist Step Finish Cap Bolt (2) - Install and tighten - Fastener Specifications
    GM5542586Courtesy of GENERAL MOTORS COMPANY
  20. Retainer (1) - Engage [3x]
  21. Assist Step Rear Finish Cap (2) - Install
    GM5535833Courtesy of GENERAL MOTORS COMPANY
  22. Assist Step Finish Cap Bolt (1) - Install and tighten - Fastener Specifications
  23. Front Bumper Fascia Guide (2) - Install
    GM5540987Courtesy of GENERAL MOTORS COMPANY
  24. 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.

  25. Front Bumper Fascia Guide Bolt (1) - Install and hand tighten [2x]
  26. Front Bumper Fascia (2) - Install - Front Bumper Fascia Removal and Installation (with RC1)Front Bumper Fascia Removal and Installation (with WTX)
    GM5537676Courtesy of GENERAL MOTORS COMPANY
  27. Front Fender Insulator (2) - Install
    GM5577805Courtesy of GENERAL MOTORS COMPANY
  28. Front Fender Insulator Retainer (1) - Install
  29. Front Wheelhouse Liner (1) - Install
    GM5513756Courtesy of GENERAL MOTORS COMPANY
  30. Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications
    GM5513753Courtesy of GENERAL MOTORS COMPANY
  31. Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications
    GM5513751Courtesy of GENERAL MOTORS COMPANY
  32. Front Wheelhouse Liner Retainer (2) - Install
    GM5513749Courtesy of GENERAL MOTORS COMPANY
  33. NOTE:

    Quantity of fasteners may vary based on option content.

  34. Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications
  35. Front Wheelhouse Liner Bolt (1) - Install and tighten [3x] - Fastener Specifications
    GM5513747Courtesy of GENERAL MOTORS COMPANY
  36. { If equipped }Front Tire Front Air Deflector Bolt (1) - Install and tighten - Fastener Specifications
    GM5522093Courtesy of GENERAL MOTORS COMPANY
  37. Install the front tire and wheel assembly. Tire and Wheel Removal and Installation (Steel Wheel)Tire and Wheel Removal and Installation (Aluminum Wheel)
  38. Hood Rear Outer Air Inlet Seal (2) - Install [2x]
    GM5532143Courtesy of GENERAL MOTORS COMPANY
  39. Hood Rear Outer Air Inlet Seal Retainer (1) - Install
  40. Air Inlet Grille Panel Extension (1) - Install [2x]
    GM5523134Courtesy of GENERAL MOTORS COMPANY
  41. Remove the double layer of masking tape around the perimeter of the painted surfaces.
  42. 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.