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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 128 (Engine Controls And Fuel - 3.6L (LF4) - Repair Instructions (1 Of 3)) >> Repair Instructions >> Engine Coolant Temperature Sensor Replacement >> 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. GM4036113Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Temperature Sensor Seal (1) - Install NEW

  2. GM4036066Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Temperature Sensor (2) - Install

  3. Engine Coolant Temperature Sensor Retainer (1) - Install
  4. GM4036024Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Refer to Fastener Caution .

    Engine Coolant Thermostat Housing Bolt (2) - Install and tighten [2x] - Fastener Specifications

  5. Engine Coolant Temperature Sensor Electrical Connector (1) - Connect
  6. GM5870476Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    High pressure fuel feed pipes are one time use only. ALWAYS install a NEW high pressure fuel feed pipe if the pipe is removed OR the fittings are loosened.

    Fuel Feed Pipe (1) - Install NEW

    1. Slide fuel feed pipe fitting (2) back along fuel feed pipe (1) to reveal the formed end (3) of the fuel feed pipe.
    2. Carefully install the formed end (3) of the fuel feed pipe into the socket of the fuel pump (4).
    3. Hold the fuel feed pipe firmly in place and hand tighten the fuel feed pipe fitting nut (2) onto the threads of the fuel pump (4).
  7. Fuel Feed Pipe Fitting (2) @ Fuel Feed Pipe (1) - Tighten - Fastener Specifications
  8. GM4289104Courtesy of GENERAL MOTORS COMPANY

    Fuel Feed Pipe Bolt (1) - Install and tighten [2x] - Fastener Specifications

  9. GM4289077Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @ Fuel Feed Pipe Bracket (2) - Install [2x]

  10. GM5867529Courtesy of GENERAL MOTORS COMPANY

    Fuel Feed Pipe (1) - Connect - Metal Collar Quick Connect Fitting Service 

  11. GM5869727Courtesy of GENERAL MOTORS COMPANY
    WARNING:

    The noise cancelling foam component MUST be replaced if it has been exposed to engine fluids. Failure to replace the noise cancelling foam component that has been exposed to engine fluids may result in an engine fire resulting in catastrophic engine damage, and possible injury or death.

    Engine Rear Noise Shield (1) - Install

  12. GM4044075Courtesy of GENERAL MOTORS COMPANY

    Fuel Pipe Shield (1) - Install

  13. GM5869276Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness (3) - Install

  14. Retainer (2) - Install [3x]
  15. Engine Rear Noise Shield Bolt (1) - Install and tighten [2x] - Fastener Specifications
  16. GM4044046Courtesy of GENERAL MOTORS COMPANY

    Engine Rear Noise Shield Bolt (1) - Install and tighten - Fastener Specifications

  17. GM5524604Courtesy of GENERAL MOTORS COMPANY

    Install the plenum front panel (3) to the dash panel upper insulator (2).

    18. NOTE:

    This is a push nut.

  18. Plenum Panel Nut (1) - Install [9x]
  19. GM5865881Courtesy of GENERAL MOTORS COMPANY

    Plenum Front Panel (1) - Install

  20. GM5865879Courtesy of GENERAL MOTORS COMPANY

    Plenum Front Panel Bolt (1) - Install and tighten [4x] - Fastener Specifications

  21. Plenum Front Panel Nut (2) - Install and tighten [3x]

    - Fastener Specifications

  22. GM5422039Courtesy of GENERAL MOTORS COMPANY

    Plenum Front Panel Nut (1) - Install and tighten [3x] - Fastener Specifications

  23. Plenum Front Panel Bolt (2) - Install and tighten [3x] - Fastener Specifications
  24. Install the forward lamp wiring harness extension (3) into the plenum front panel.
  25. Connect the electrical connector.
  26. GM5499583Courtesy of GENERAL MOTORS COMPANY

    Air Inlet Deflector Water Deflector (1) - Install

  27. GM5499581Courtesy of GENERAL MOTORS COMPANY

    Air Inlet Deflector Water Deflector Retainer (1) - Install [2x]

  28. GM5420344Courtesy of GENERAL MOTORS COMPANY

    Install the windshield wiper system module (2) in the vehicle.

  29. Windshield Wiper System Module Bolt (1) - Install and tighten [2x] Fastener Specifications
  30. Connect the windshield wiper motor electrical connector.
  31. Connect the battery negative cable. - Battery Negative Cable Disconnection and Connection
  32. GM5420286Courtesy of GENERAL MOTORS COMPANY

    Windshield Wiper System Module Shield (1) - Install

  33. GM5417442Courtesy of GENERAL MOTORS COMPANY

    Air Inlet Grille Panel (2) - Install

    1. Install the air inlet grille panel (2) between both hood hinges.
    2. Connect the windshield washer nozzle hose to the windshield washer pump hose.
    3. Air Inlet Grille Panel Retainer (1) - Install [6x]
  34. GM5862927Courtesy of GENERAL MOTORS COMPANY

    Front Compartment Side Sight Shield (2) - Install

  35. Front Compartment Side Sight Shield Retainer (1) - Install [3x]
  36. GM5865291Courtesy of GENERAL MOTORS COMPANY

    Air Inlet Grille Panel Extension (2) - Install

  37. Air Inlet Grille Panel Retainer (1) - Install [2x]
  38. GM5421986Courtesy of GENERAL MOTORS COMPANY

    Install the hood rear outer air inlet seal (2) to the left and right side.

  39. Install the 2 hood rear outer air inlet seal retainer (1) to the left and right side.
  40. GM5417116Courtesy of GENERAL MOTORS COMPANY

    Air Inlet Grille Panel Extension (1) - Install [2x]

    1. Install the air inlet grille panel extension (1).
    2. Remove the masking tape from the top edge of the service part.
    3. Using a 50/50 mixture of isopropyl alcohol and clean drinkable water with a clean towel, remove any left over adhesive residue from the masking tape.
  41. GM5325063Courtesy of GENERAL MOTORS COMPANY

    Windshield Wiper Arm (3) - Install [2x]

    1. Clean the windshield wiper transmission pivot shaft splines with a soft wire brush before installing the windshield wiper arm (3).
    2. Position the windshield wiper arm (3) on the windshield wiper transmission pivot shaft.
    3. Windshield Wiper Arm Nut (2) - Install and tighten Fastener Specifications
    4. Windshield Wiper Arm Finish Cap (1) - Install
  42. GM5416557Courtesy of GENERAL MOTORS COMPANY

    If required, realign the windshield wipers to their respective alignment circles (1) on the windshield.

    1. Lubricate the windshield with clean washer fluid.
    2. Run the windshield wipers for two complete cycles then turn off the windshield wipers.
    3. Ensure the windshield wipers are in the full park position.
    4. Inspect the windshield wipers for proper position to the alignment circles (1) on the windshield.
  43. Pressurize the fuel system and inspect for leaks.
  44. Fill the cooling system. 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)
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