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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 57 (Engine Heating And Cooling - Repair Instructions (1 Of 2)) >> Repair Instructions >> Auxiliary Water Pump Outlet Upper Hose Replacement (LF4) >> 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. GM5862986

    Install the retainer (1) into the auxiliary water pump outlet upper hose (2).

  2. Auxiliary Water Pump Outlet Upper Hose (2) @ Charge Air Cooler- Left Side - Install
  3. Radiator Outlet Hose Clip (3) @ Auxiliary Radiator Bracket - Install
  4. GM5862963

    Auxiliary Water Pump Outlet Upper Hose (1) Auxiliary Radiator Inlet Pipe @ - Install

  5. Auxiliary Water Pump Inlet Hose Clamp (2) - Engage - Hose Clamp Replacement Guidelines - Spring Type 
  6. Radiator Outlet Hose Clip (3) @ Engine Cooler Fan - Install
  7. GM5862960

    Air Cleaner Assembly (2) - Install

    8. CAUTION:

    Refer to Fastener Caution .

  8. Air Cleaner Bolt (1) - Install and tighten - Fastener Specifications
  9. Install all retainers and wiring harnesses to the air cleaner assembly as necessary.
  10. Connect the 2 mass airflow sensor electrical connectors.
  11. GM5864667

    Auxiliary Air Cleaner Outlet Duct (4) - Install

    12. CAUTION:

    Refer to Component Fastener Tightening Caution .

  12. Air Cleaner Outlet Duct Clamp (3) - Tighten - Fastener Specifications
  13. Air Cleaner Outlet Duct (2) - Install
  14. Air Cleaner Outlet Duct Clamp (1) - Tighten - Fastener Specifications
  15. GM5839407
    NOTE:

    Left side shown, right side similar.

    Front End Sheet Metal Cross Brace- Left Side and Right Side (3) - Install [2x]

  16. Front Suspension Strut Upper Mounting Nut- Left Side and Right Side (2) - Install and tighten [4x] - Fastener Specifications
  17. Front End Sheet Metal Cross Brace Bolt- Left Side and Right Side (1) - Install and tighten [6x] - Fastener Specifications
  18. Install all wiring harness retainers to the left and right side front end sheet metal cross braces.
  19. GM5864524

    Radiator Air Upper Baffle- Upper (3) - Install

  20. Radiator Air Upper Baffle Bolt (2) - Install and tighten [2x] - Fastener Specifications
  21. Radiator Air Upper Baffle Retainer (1) - Install [5x]
  22. GM5839233

    Transmission Control Module (1) @ Engine Control Module Bracket (2) - Install

  23. Engine Control Module Bracket (2) - Install
  24. GM5839232

    Engine Control Module Bracket Bolt (1) - Install and tighten [3x] - Fastener Specifications

  25. GM5839234

    Engine Control Module (1) - Install

  26. Connect the electrical connectors.
  27. GM5861123

    Radiator Surge Tank Outlet Pipe (3) - Install

  28. Radiator Surge Tank Inlet Hose Clamp (4) @ Engine Radiator - Engage - Hose Clamp Replacement Guidelines - Spring Type 
  29. Radiator Surge Tank Inlet Hose Clip (2) @ Engine Control Module Bracket - Install
  30. Radiator Surge Tank Inlet Hose Clamp (1) @ Radiator Surge Tank Inlet Hose - Engage - Hose Clamp Replacement Guidelines - Spring Type 
  31. Connect the negative battery cable. Battery Negative Cable Disconnection and Connection
  32. Fill the cooling system to the proper level. Refer to Cooling System Draining and Filling (LF4 Static Fill) , or Cooling System Draining and Filling (LF4 GE 47716) 
  33. Start the engine and check for coolant leaks.
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