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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 >> 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)Cooling System Draining and Filling (Static L84, L87)
  3. Plenum Front Panel Outer Reinforcement (1) - Remove - Plenum Front Panel Outer Reinforcement Removal and Installation 
    GM5571687Courtesy of GENERAL MOTORS COMPANY
  4. Heater Outlet Hose Retainer (2) - Disengage
    GM5587727Courtesy of GENERAL MOTORS COMPANY
  5. Heater Outlet Hose (1) - Remove
  6. Heater Outlet Hose Retainer (4) - Disengage
  7. Heater Inlet Hose (3) - Remove
  8. Retainer (1) - Disengage [2x]
    GM5587729Courtesy of GENERAL MOTORS COMPANY
  9. Auxiliary Heater Inlet and Outlet Hose (2)@Heater Core - Remove [2x]
  10. Air Conditioning Evaporator Thermal Expansion Valve Hose Nut (1) - Remove
    GM5598956Courtesy of GENERAL MOTORS COMPANY
  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 (Steel Wheel)Tire and Wheel Removal and Installation (Aluminum Wheel)
  16. { If equipped }Front Tire Front Air Deflector Bolt (1) - Remove
    GM5522093Courtesy of GENERAL MOTORS COMPANY
  17. Front Wheelhouse Liner Bolt (1) - Remove [3x]
    GM5513747Courtesy of GENERAL MOTORS COMPANY
  18. Front Wheelhouse Liner Bolt (1) - Remove [3x]
    GM5513749Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Quantity of fasteners may vary based on option content.

  19. Front Wheelhouse Liner Retainer (2) - Remove
  20. Front Wheelhouse Liner Bolt (1) - Remove [3x]
    GM5513751Courtesy of GENERAL MOTORS COMPANY
  21. Front Wheelhouse Liner Bolt (1) - Remove [3x]
    GM5513753Courtesy of GENERAL MOTORS COMPANY
  22. Front Wheelhouse Liner-Left Side (1) - Remove
    GM5513756Courtesy of GENERAL MOTORS COMPANY
  23. Exhaust Heat Shield Retainer (1) - Remove [2x]
    GM5000477Courtesy of GENERAL MOTORS COMPANY
  24. Exhaust Heat Shield Retainer (1) - Remove
    GM5000480Courtesy of GENERAL MOTORS COMPANY
  25. Exhaust Heat Shield Retainer (1) - Remove
    GM5000533Courtesy of GENERAL MOTORS COMPANY
  26. Exhaust Heat Shield (1) - Remove
    GM5000535Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Remove the exhaust heat shield through the wheel opening.

  27. Lower the vehicle.
  28. Dash Panel Outer Insulator Retainer- Right Side (1) - Remove [3x]
    GM5748463Courtesy of GENERAL MOTORS COMPANY
  29. Dash Panel Outer Insulator Retainer- Left Side (1) - Remove
    GM5748461Courtesy of GENERAL MOTORS COMPANY
  30. Pull the dash panel outer insulator (1) slightly forward and upward to remove.
    GM5748457Courtesy of GENERAL MOTORS COMPANY