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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 279 (Engine Cooling System - Repair Instructions) >> Repair Instructions >> Engine Coolant Thermostat Housing Inlet Pipe Replacement (LSY) >> Removal Procedure

Removal Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT5. However, it is still accessible from the selected car via links, so may be relevant.
  1. Drain the cooling system. Cooling System Draining and Filling (LSY GE 47716) , or Cooling System Draining and Filling (LSY Static Fill) 
  2. GM5080699Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct (1) - Remove - Air Cleaner Outlet Duct Replacement

  3. GM5324124Courtesy of GENERAL MOTORS COMPANY

    Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type 

  4. Turbocharger Coolant Feed and Return Pipe (2) @Engine Coolant Thermostat Housing Inlet Pipe - Remove - Turbocharger Coolant Feed and Return Pipe Replacement (LSY) 
  5. GM5122477Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Temperature Sensor Electrical Connector (1) @Engine Coolant Thermostat Housing Inlet Pipe - Disconnect

  6. GM5251871Courtesy of GENERAL MOTORS COMPANY

    Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type 

  7. Engine Coolant Thermostat Housing Pipe Bolt (2) - Remove [3x]
  8. GM5251989Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Thermostat Housing Inlet Pipe (1) - Remove

  9. Water Inlet Gasket (2) - Remove and DISCARD
  10. Transfer components as necessary.