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Home >> Chevrolet >> 2020 >> Express 2500 LS, 6.0L Eng VIN G >> Repair and Diagnosis >> External Pages >> Different car >> Section 55 (Heating, Ventilation, And Air Conditioning System) >> Repair Instructions >> Heater Core Replacement (C60) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2019 GMC Savana 3500, 2019 GMC Savana 2500, 2019 Chevrolet Express 3500, and 2019 Chevrolet Express 2500. However, it is still accessible from the selected car via links, so may be relevant.
  1. Recover the refrigerant. Refrigerant Recovery and Recharging 
  2. Drain the coolant. Cooling System Draining and Filling (Static Fill LWN) , or Cooling System Draining and Filling (GE 47716 LWN) , or Cooling System Draining and Filling (Static LC8, LV1, L96) , or Cooling System Draining and Filling (GE47716 LC8, LV1, L96)
  3. GM4840951Courtesy of GENERAL MOTORS COMPANY

    Coolant Recovery Reservoir (1) - Remove - Coolant Recovery Reservoir Replacement (LV1) , or Coolant Recovery Reservoir Replacement (L96, LC8)

  4. GM4842735Courtesy of GENERAL MOTORS COMPANY

    Air Conditioning Accumulator (2) @ Air Conditioning Evaporator - Remove - Air Conditioning Accumulator Replacement 

  5. GM4824123Courtesy of GENERAL MOTORS COMPANY

    Plenum Drain Tube (2) - Remove - Plenum Drain Tube Replacement (Without LWN) , or Plenum Drain Tube Replacement (With LWN)

  6. GM4593464Courtesy of GENERAL MOTORS COMPANY

    Heater Inlet Hose (3) @ Heater Core Inlet Tube - Remove - Heater Inlet Hose Replacement (LWN with C69) , or Heater Inlet Hose Replacement (LWN Auxiliary Heater Inlet Hose) , or Heater Inlet Hose Replacement (LWN Water Pump Inlet Pipe to Heater Inlet and Outlet Pipe) , or Heater Inlet Hose Replacement (LWN without K08 Engine Coolant Thermostat to Heater Inlet and Outlet Pipe) , or Heater Inlet Hose Replacement (LWN without C69) , or Heater Inlet Hose Replacement (LV1 without C69) , or Heater Inlet Hose Replacement (LV1 Auxiliary Air Conditioning Evaporator Front Tube to Heater Core Inlet Tube with C69) , or Heater Inlet Hose Replacement (L96, LC8 Heater Water Flow Control Valve to Heater Core Inlet Tube) , or Heater Inlet Hose Replacement (L96, LC8 Water Pump Housing to Heater Water Flow Control Valve) , or Heater Inlet Hose Replacement (L96 Heater Core Inlet Tube to Auxiliary Heater Inlet and Outlet Pipe) 

  7. GM4593578Courtesy of GENERAL MOTORS COMPANY

    Heater Outlet Hose (2) @ Heater Core Outlet Tube - Remove - Heater Outlet Hose Replacement (LWN with C69) , or Heater Outlet Hose Replacement (LWN Auxiliary Heater Outlet Hose) , or Heater Outlet Hose Replacement (LWN Water Pump Inlet Pipe to Heater Inlet and Outlet Pipe) , or Heater Outlet Hose Replacement (LWN without C69) , or Heater Outlet Hose Replacement (LV1 Water Pump to Heater Core Outlet Tube without C69) , or Heater Outlet Hose Replacement (LV1 Auxiliary Air Conditioning Evaporator Front Tube to Heater Core Outlet Tube with C69) , or Heater Outlet Hose Replacement (L96, LC8 Heater Water Flow Control Valve to Heater Core Outlet Tube) , or Heater Outlet Hose Replacement (L96, LC8 Water Pump Housing to Heater Water Flow Control Valve) , or Heater Outlet Hose Replacement (L96 Auxiliary Heater Inlet and Outlet Pipe to Heater Core Outlet Tube) 

  8. GM4824438Courtesy of GENERAL MOTORS COMPANY

    Instrument Panel Knee Bolster-Right Side (1) - Remove - Instrument Panel Knee Bolster Replacement (Right Side)

  9. GM4826318Courtesy of GENERAL MOTORS COMPANY

    Instrument Panel Knee Bolster Bracket (1) - Remove - Instrument Panel Knee Bolster Bracket Replacement (Left Side) , or Instrument Panel Knee Bolster Bracket Replacement (Right Side)

  10. GM4846560Courtesy of GENERAL MOTORS COMPANY

    Front Floor Console Extension Panel (2) - Remove - Front Floor Console Extension Panel Replacement

  11. GM4854159Courtesy of GENERAL MOTORS COMPANY

    Engine Cover (1) - Remove - Engine Cover Replacement

  12. GM4859290Courtesy of GENERAL MOTORS COMPANY

    Remove the right side floor front air outlet center duct (2). Floor Front Air Outlet Center Duct Replacement - Right Side 

  13. Reposition vacuum hose harness.
  14. Reposition the instrument panel electrical wiring harness.
  15. Reposition the mobile telephone wiring electrical harness.
  16. GM4870570Courtesy of GENERAL MOTORS COMPANY

    Cut the heater core cover at the cut line indicated by the arrows using the appropriate tool.

  17. GM4870558Courtesy of GENERAL MOTORS COMPANY

    Heater Core Cover Screw (1) - Remove [7x]

  18. GM4870545Courtesy of GENERAL MOTORS COMPANY

    Heater Core Cover (1) - Remove

  19. GM4870561Courtesy of GENERAL MOTORS COMPANY

    Heater Core Clip Screw (1) - Remove

  20. Heater Core Clip (2) - Remove
  21. GM4870528Courtesy of GENERAL MOTORS COMPANY

    Heater Core (1) - Remove

  22. Transfer components as necessary.
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