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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 (with LM2) >> Removal Procedure

Removal Procedure

  1. Recover the refrigerant. Refrigerant Recovery and Recharging
  2. Drain the coolant. Cooling System Draining and Filling (Static LM2)Cooling System Draining and Filling (GE 47716 LM2)
  3. Air Cleaner Outlet Duct Clamp (1) - Loosen [2x]
    GM5150211Courtesy of GENERAL MOTORS COMPANY
  4. Air Cleaner Outlet Front Duct (2) - Remove
  5. Plenum Front Panel Outer Reinforcement (1) - Remove - Plenum Front Panel Outer Reinforcement Removal and Installation 
    GM5571687Courtesy of GENERAL MOTORS COMPANY
  6. Air Cleaner Outlet Duct Clamp (1) - Loosen
    GM5150241Courtesy of GENERAL MOTORS COMPANY
  7. Air Cleaner Outlet Duct (2) - Remove
  8. Heater Outlet Hose Retainer (2) - Disengage
    GM5587727Courtesy of GENERAL MOTORS COMPANY
  9. Heater Outlet Hose (1) - Remove
  10. Heater Outlet Hose Retainer (4) - Disengage
  11. Heater Inlet Hose (3) - Remove
  12. Retainer (1) - Disengage [2x]
    GM5587729Courtesy of GENERAL MOTORS COMPANY
  13. Auxiliary Heater Inlet and Outlet Hose (2)@Heater Core - Remove [2x]
  14. Air Conditioning Evaporator Thermal Expansion Valve Hose Nut (1) - Remove
    GM5598956Courtesy of GENERAL MOTORS COMPANY
  15. Air Conditioning Refrigerant Heat Exchanger (2) - Remove
  16. Air Conditioning Evaporator Thermal Expansion Valve Seal-Large (3) - Remove and DISCARD
  17. Air Conditioning Evaporator Thermal Expansion Valve Seal-Small (4) - Remove and DISCARD
  18. Raise and support the vehicle. Lifting and Jacking the Vehicle
  19. Front Wheelhouse Liner Bolt- Right Side (1) - Remove [3x]
    GM5513751Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

  20. Front Wheelhouse Liner Bolt- Right Side (1) - Remove [3x]
    GM5513753Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Left side shown, right side similar.

  21. Front Wheelhouse Front Liner- Right Side (1) - Reposition
    GM5744362Courtesy of GENERAL MOTORS COMPANY
  22. Dash Panel Outer Insulator Retainer (2) - Remove
  23. Lower the vehicle.
  24. Dash Panel Outer Insulator Retainer- Right Side (1) - Remove [2x]
    GM5744361Courtesy of GENERAL MOTORS COMPANY
  25. Dash Panel Outer Insulator Retainer- Left Side (1) - Remove [2x]
    GM5744360Courtesy of GENERAL MOTORS COMPANY
  26. Pull the dash panel outer insulator (1) slightly forward and upward to remove.
    GM5744363Courtesy of GENERAL MOTORS COMPANY