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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 101 (Transmission Cooling System) >> Repair Instructions >> Transmission Fluid Cooler Inlet and Outlet Pipe Replacement (LF4 with MHU) >> Installation Procedure

Installation Procedure

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  1. GM5862788Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Inlet and Outlet Pipe (1) - Install

  2. Transmission Fluid Cooler Seal (2) - Install NEW
  3. Transmission Fluid Cooler Inlet and Outlet Pipe (1) - Connect
  4. CAUTION:

    Refer to Fastener Caution .

  5. Transmission Fluid Cooler Pipe Nut (3) - Install and tighten - Fastener Specifications 
  6. GM5867466Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Bracket Bolt (1) - Install and tighten - Fastener Specifications 

  7. GM5864353Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Inlet and Outlet Pipe (2) - Connect [2x]

  8. Retaining Clip (3) - Engage [2x]
  9. GM5864341Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Seal (3) - Install NEW

  10. Transmission Fluid Cooler Inlet and Outlet Pipe (2) - Connect
  11. Transmission Fluid Cooler Pipe Bolt (1) - Install and tighten - Fastener Specifications 
  12. GM5863966Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Bracket Bolt (1) - Install and tighten - Fastener Specifications 

  13. GM5863963Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Connector Bolt (1) - Install and tighten - Fastener Specifications 

  14. GM5862934Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Bracket Bolt (1) - Install and tighten - Fastener Specifications 

  15. GM5408645Courtesy of GENERAL MOTORS COMPANY

    Front Bumper Fascia (1) - Install - Front Bumper Fascia Removal and Installation (without Blackwing) , or Front Bumper Fascia Removal and Installation (with Blackwing) , or Front Bumper Fascia Removal and Installation (with Blackwing CFV, CFZ)

  16. Lower the vehicle.
  17. GM5862960Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Assembly (2) - Install

  18. Air Cleaner Bolt (1) - Install and tighten - Fastener Specifications
  19. Install all retainers and wiring harnesses to the air cleaner assembly as necessary.
  20. Connect the 2 mass airflow sensor electrical connectors.
  21. GM5864667Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Air Cleaner Outlet Duct (4) - Install

  22. Air Cleaner Outlet Duct Clamp (3) - Tighten - Fastener Specifications
  23. Air Cleaner Outlet Duct (2) - Install
  24. Air Cleaner Outlet Duct Clamp (1) - Tighten - Fastener Specifications
  25. GM5839407Courtesy of GENERAL MOTORS COMPANY

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

  26. Front Suspension Strut Upper Mounting Nut- Left Side and Right Side (2) - Install and tighten [4x] - Fastener Specifications
  27. Front End Sheet Metal Cross Brace Bolt- Left Side and Right Side (1) - Install and tighten [6x] - Fastener Specifications
  28. Install all wiring harness retainers to the front end sheet metal cross braces.
  29. GM5864524Courtesy of GENERAL MOTORS COMPANY

    Radiator Air Upper Baffle- Upper (3) - Install

  30. Radiator Air Upper Baffle Bolt (2) - Install and tighten [2x] - Fastener Specifications
  31. Radiator Air Upper Baffle Retainer (1) - Install [5x]
  32. GM5839233Courtesy of GENERAL MOTORS COMPANY

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

  33. Engine Control Module Bracket (2) - Install
  34. GM5839232Courtesy of GENERAL MOTORS COMPANY

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

  35. GM5839234Courtesy of GENERAL MOTORS COMPANY

    Engine Control Module (1) - Install

  36. Connect the electrical connectors.
  37. GM5861123Courtesy of GENERAL MOTORS COMPANY

    Radiator Surge Tank Outlet Pipe (3) - Install

  38. Radiator Surge Tank Inlet Hose Clamp (4) @ Engine Radiator - Engage - Hose Clamp Replacement Guidelines - Spring Type
  39. Radiator Surge Tank Inlet Hose Clip (2) @ Engine Control Module Bracket - Install
  40. Radiator Surge Tank Inlet Hose Clamp (1) @ Radiator Surge Tank Inlet Hose - Engage - Hose Clamp Replacement Guidelines - Spring Type
  41. Fill the cooling system to the proper level. Cooling System Draining and Filling (LSY GE 47716) , or Cooling System Draining and Filling (LSY Static Fill) , or Cooling System Draining and Filling (LSY with V03 Static Fill) , or Cooling System Draining and Filling (L3B Static Fill) , or Cooling System Draining and Filling (L3B GE 47716) , or Cooling System Draining and Filling (LSY with V03 GE 47716) , or Cooling System Draining and Filling (LF4 Static Fill) , or Cooling System Draining and Filling (LF4 GE 47716)
  42. Connect the negative battery cable. Battery Negative Cable Disconnection and Connection
  43. Check the transmission fluid level. Transmission Fluid Level and Condition Check
  44. Inspect for transmission fluid leaks. Fluid Leak Diagnosis
  45. Start the engine and check for coolant leaks.