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Home >> Chevrolet >> 2021 >> Blazer L >> Repair and Diagnosis >> Engine Mechanical >> Cooling Fan >> Engine Heating And Cooling System >> Repair Instructions >> Engine Coolant Flow Control Valve Replacement >> Removal Procedure
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Removal Procedure

  1. Drain the cooling system. Cooling System Draining and Filling (Static LCV, LGX) , or Cooling System Draining and Filling (GE 47716 LCV, LGX) , or Cooling System Draining and Filling (Static LSY) , or Cooling System Draining and Filling (GE 47716 LSY) 
  2. GM4963048Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Remove the throttle body and the intake manifold together as an assembly.

    Intake Manifold (1) - Remove - Intake Manifold Replacement

  3. GM5064940Courtesy of GENERAL MOTORS COMPANY

    Hose Clamp (1) - Disengage [2x] - Hose Clamp Replacement Guidelines - Spring Type 

  4. Thermostat Bypass Hose (2) @ Engine Coolant Flow Control Valve - Remove
  5. Radiator Inlet Hose (3) @ Engine Coolant Flow Control Valve - Remove
  6. GM5064953Courtesy of GENERAL MOTORS COMPANY

    Hose Clamp (1) - Disengage [3x] - Hose Clamp Replacement Guidelines - Spring Type 

  7. Engine Oil Cooler Coolant Inlet Hose (2) @ Engine Coolant Flow Control Valve - Remove
  8. Engine Coolant Air Bleed Hose (3) @ Engine Coolant Flow Control Valve - Remove
  9. Engine Coolant Air Bleed Hose (4) @ Engine Coolant Flow Control Valve - Remove
  10. GM5064991Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Engine Coolant Flow Control Valve - Disconnect

  11. GM5065243Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Engine Coolant Flow Control Valve - Disconnect

  12. Electrical Connector (2) @ Engine Coolant Temperature Sensor - Disconnect
  13. GM5065018Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Flow Control Valve Bolt (1) - Remove [4x]

  14. GM5065029Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Flow Control Valve (1) - Remove

  15. Water Outlet Seal (2) - Remove and DISCARD