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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Engine Heating And Cooling - Repair Instructions (1 Of 2)) >> Repair Instructions >> Thermostat Bypass Hose Replacement - Thermostat Bypass Pipe to Engine Coolant Flow Control Valve (L3B) >> Installation Procedure

Installation Procedure

WARNING: This page is about a different car, the 2022 Cadillac CT4. However, it is still accessible from the selected car via links, so may be relevant.
  1. GM5412619

    Thermostat Bypass Hose (2) - Remove - Install

  2. Hose Clamp (1) - Engage [2x] - Hose Clamp Replacement Guidelines - Spring Type 
  3. Fill the cooling system. Refer to Cooling System Draining and Filling (L3B Static Fill) , or Cooling System Draining and Filling (L3B GE 47716) 
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