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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 >> Dash Panel Outer Insulator Replacement (without LM2) >> Removal Procedure

Removal Procedure

  1. Recover the refrigerant. Refrigerant Recovery and Recharging
  2. Drain the coolant. Cooling System Draining and Filling (GE 47716 L84, L87) , or Cooling System Draining and Filling (Static L84, L87) , or Cooling System Draining and Filling (Static LM2) , or Cooling System Draining and Filling (GE 47716 LM2)
  3. GM5571687Courtesy of GM

    Plenum Front Panel Outer Reinforcement (1) - Remove - Plenum Front Panel Outer Reinforcement Removal and Installation 

  4. GM5587727Courtesy of GM

    Heater Outlet Hose Retainer (2) - Disengage

  5. Heater Outlet Hose (1) - Remove
  6. Heater Outlet Hose Retainer (4) - Disengage
  7. Heater Inlet Hose (3) - Remove
  8. GM5587729Courtesy of GM

    Retainer (1) - Disengage [2x]

  9. Auxiliary Heater Inlet and Outlet Hose (2) @ Heater Core - Remove [2x]
  10. GM5598956Courtesy of GM

    Air Conditioning Evaporator Thermal Expansion Valve Hose Nut (1) - Remove

  11. Air Conditioning Refrigerant Heat Exchanger (2) - Remove
  12. Air Conditioning Evaporator Thermal Expansion Valve Seal-Large (3) - Remove and DISCARD
  13. Air Conditioning Evaporator Thermal Expansion Valve Seal-Small (4) - Remove and DISCARD
  14. Raise and support the vehicle. Lifting and Jacking the Vehicle
  15. Remove the left front tire and wheel assembly. Tire and Wheel Removal and Installation (Aluminum Wheel)
  16. GM5522093Courtesy of GM

    {If equipped} Front Tire Front Air Deflector Bolt (1) - Remove

  17. GM5513747Courtesy of GM

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

  18. GM5513749Courtesy of GM
    NOTE:

    Quantity of fasteners may vary based on option content.

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

  19. Front Wheelhouse Liner Retainer (2) - Remove
  20. GM5513751Courtesy of GM

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

  21. GM5513753Courtesy of GM

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

  22. GM5513756Courtesy of GM

    Front Wheelhouse Liner-Left Side (1) - Remove

  23. GM5000477Courtesy of GM

    Exhaust Heat Shield Retainer (1) - Remove [2x]

  24. GM5000480Courtesy of GM

    Exhaust Heat Shield Retainer (1) - Remove

  25. GM5000533Courtesy of GM

    Exhaust Heat Shield Retainer (1) - Remove

  26. GM5000535Courtesy of GM
    NOTE:

    Remove the exhaust heat shield through the wheel opening.

    Exhaust Heat Shield (1) - Remove

  27. Lower the vehicle.
  28. GM5748463Courtesy of GM

    Dash Panel Outer Insulator Retainer- Right Side (1) - Remove [3x]

  29. GM5748461Courtesy of GM

    Dash Panel Outer Insulator Retainer- Left Side (1) - Remove

  30. GM5748457Courtesy of GM

    Pull the dash panel outer insulator (1) slightly forward and upward to remove.