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Home >> Cadillac >> 2017 >> CT6 Plug-In >> Repair and Diagnosis >> Engine Mechanical >> Cooling System (Mechanical) >> Engine Cooling System >> Repair Instructions >> Radiator Replacement (LTG with HP9) >> Installation Procedure

Installation Procedure

  1. Engine Coolant Fan Shroud (2) @ Radiator Assembly (3)» Install
    Fig 1: Engine Coolant Fan Bolt
    GM4249415Courtesy of GENERAL MOTORS COMPANY
    CAUTION: Refer to Fastener Caution .
  2. Engine Coolant Fan Bolt (1)» Install and tighten [2x] 5.1 N.m (45 lb in)
  3. Engine Coolant Fan Module Radiator (1)» Install
    Fig 2: Engine Coolant Fan Module Radiator
    GM4496086Courtesy of GENERAL MOTORS COMPANY
  4. Electrical Connector @ Engine Coolant Fan Shroud» Connect
  5. Transmission Fluid Cooler Pipe Clip (1) @ Engine Coolant Fan Shroud» Install [4x] - Transmission Fluid Cooler Inlet and Outlet Pipe Replacement (LTG With HP9)
    Fig 3: Transmission Fluid Cooler Pipe Clips
    GM4425225Courtesy of GENERAL MOTORS COMPANY
  6. Radiator Outlet Hose (2) @ Radiator Assembly» Install - Radiator Outlet Hose Replacement (LTG with HP9) 
    Fig 4: Radiator Outlet Hose Clamp
    GM4495592Courtesy of GENERAL MOTORS COMPANY
  7. Radiator Inlet Hose (2) @ Radiator Assembly» Install - Radiator Inlet Hose Replacement (LTG with HP9) 
    Fig 5: Radiator Inlet Hose And Clamp
    GM4495363Courtesy of GENERAL MOTORS COMPANY
  8. Charge Air Cooler Radiator (1)» Install - Charge Air Cooler Radiator Replacement
    Fig 6: Charge Air Cooler Radiator
    GM4255262Courtesy of GENERAL MOTORS COMPANY
  9. Radiator Upper Bracket (2, 4)» Install - Radiator Upper Bracket Replacement (LGW LGX LTG) 
    Fig 7: Radiator Upper Bracket
    GM4248204Courtesy of GENERAL MOTORS COMPANY
  10. Air Conditioning Condenser Bracket (2)» Install - Air Conditioning Condenser Bracket Replacement
    Fig 8: Air Conditioning Condenser Bracket
    GM4495897Courtesy of GENERAL MOTORS COMPANY
  11. Front Bumper Fascia (4)» Remove - Front Bumper Fascia Replacement (Without UV3)Front Bumper Fascia Replacement (With UV3)
    Fig 9: Front Bumper Fascia
    GM4255021Courtesy of GENERAL MOTORS COMPANY
  12. Fill the cooling system. Refer to Cooling System Draining and Filling (Static LTG with HP9)  and/or Cooling System Draining and Filling (GE 47716 LTG with HP9) 
  13. Enable the high voltage system. Refer to High Voltage Enabling
  14. Start the engine and check for coolant leaks.