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Home >> Buick >> 2024 >> Envision Preferred >> Repair and Diagnosis >> Engine Mechanical >> Cooling Fan >> Engine 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) 
  2. GM5063831Courtesy of GENERAL MOTORS COMPANY

    Charge Air Cooler Outlet Air Hose (2) - Remove - Charge Air Cooler Outlet Air Hose Replacement

  3. Intake Manifold - Remove - Intake Manifold Replacement
  4. GM5064940Courtesy of GENERAL MOTORS COMPANY

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

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

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

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

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

  12. GM5065243Courtesy of GENERAL MOTORS COMPANY

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

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

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

  15. GM5065029Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Flow Control Valve (1) - Remove

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