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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 257 (Heating, Ventilation, And Air Conditioning) >> Repair Instructions >> Air Conditioning Clutch Drive Plate Adjustment (LGY) >> Installation Procedure

Installation 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. GM5525592Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Use the original shim count as a starting point to determine the proper air gap for the air conditioning clutch plate.

    Install the air conditioning clutch shim(s) (3) as needed to achieve the appropriate air gap of 0.21 - 0.55 mm (0.008 - 0.021 in).

  2. Air Conditioning Compressor Clutch Drive Plate (2) - Install
  3. Air Conditioning Compressor Clutch Pulley Bolt (1) - Install and hand tighten
  4. GM5525606Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Measure the air gap between air conditioning clutch drive plate (1) and the air conditioning compressor pulley (3) using the appropriate feeler gauge (4).

  5. If the air gap is out of range remove the air conditioning clutch drive plate, and add or remove shims as need to achieve the appropriate air gap.
  6. Remove air conditioning clutch drive plate (1) and repeat steps 1, 2, 3 and 4 as necessary to adjust the air gap.
  7. CAUTION:

    Refer to Fastener Caution .

    NOTE:

    Refer to the procedure link for torque specification.

  8. Air Conditioning Compressor Clutch Pulley Bolt (2) - Tighten - Air Conditioning Clutch Replacement (LGY) 
  9. Ensure the air conditioning compressor clutch does not drag against the air conditioning compressor clutch pulley when the pulley is rotated.
  10. GM4245357Courtesy of GENERAL MOTORS COMPANY

    Accessory Drive Primary Belt (1) @ Air Conditioning Compressor - Install - Accessory Drive Primary Belt Replacement

  11. GM5521024Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Resonator-Left Side (2) - Install

  12. Positive Crankcase Ventilation Tube (1) - Connect - Plastic Collar Quick Connect Fitting Service
  13. GM5519726Courtesy of GENERAL MOTORS COMPANY

    Retaining Clip (4) - Engage

  14. Positive Crankcase Ventilation Tube (3) - Connect - Plastic Collar Quick Connect Fitting Service
  15. Charge Air Bypass Valve Hose (2) - Install
  16. Charge Air Bypass Valve Hose Clamp (1) - Engage - Hose Clamp Replacement Guidelines - Spring Type
  17. NOTE:

    Refer to the procedure link for torque specification.

  18. GM5519274Courtesy of GENERAL MOTORS COMPANY

    Install the air cleaner assembly. (1)

  19. GM5519273Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Refer to the procedure link for torque specification.

    Air Cleaner Bolt (2) - Install and tighten - Air Cleaner Assembly Replacement

  20. Return the battery cables (1) back to there original position.
  21. GM5315648Courtesy of GENERAL MOTORS COMPANY

    Install the engine wiring harness fuse block bracket (2) by engaging the 3 retaining tabs (1), to the body wiring harness junction block bracket (3).

  22. GM5315623Courtesy of GENERAL MOTORS COMPANY

    Engage the 2 retaining covers (2), and install the electrical connectors (1).

  23. GM5314788Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Junction Block (2) - Install - Engine Wiring Harness Junction Block Replacement

  24. GM5315620Courtesy of GENERAL MOTORS COMPANY

    Battery Positive Cable (3) - Install

  25. Auxiliary Generator Battery Jumper Cable (2) - Install
  26. NOTE:

    Refer to the procedure link for torque specification.

  27. Battery Positive Cable Nut (1) @ Engine Wiring Harness Fuse Block Bracket - Install and tighten - Engine Wiring Harness Junction Block Replacement
  28. GM5314636Courtesy of GENERAL MOTORS COMPANY

    Battery Distribution Engine Compartment Fuse Block (2) - Install - Battery Distribution Engine Compartment Fuse Block Replacement (LGY)

  29. GM5519224Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Refer to the procedure link for torque specification.

    Air Cleaner Outlet Duct Clamp (3) - Tighten - Auxiliary Air Cleaner Outlet Duct Replacement

  30. Wiring Harness Retainer (2) - Install [2x]
  31. Connect the electrical connector. (1)
  32. GM5519218Courtesy of GENERAL MOTORS COMPANY

    Radiator Air Side Upper Baffle Retainer (5) - Install [2x]

  33. NOTE:

    Refer to the procedure link for torque specification.

  34. Engine Wiring Harness Bolt (4) - Install and tighten [2x] - Air Cleaner Assembly Replacement
  35. Connect the electrical connector. (3)
  36. Wiring Harness Retainer (2) - Install
  37. NOTE:

    Refer to the procedure link for torque specification.

  38. Air Cleaner Outlet Duct Clamp (1) - Tighten - Air Cleaner Outlet Duct Replacement
  39. GM5412647Courtesy of GENERAL MOTORS COMPANY

    Engine Control Module Bracket (1) - Install

  40. GM5412645Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Refer to the procedure link for torque specification.

    Engine Control Module Bracket Bolt (1) - Install and tighten [4x] - Engine Control Module Bracket Replacement

  41. GM5413110Courtesy of GENERAL MOTORS COMPANY

    Engine Control Module (1) - Install

  42. Connect the battery negative cable. Battery Negative Cable Disconnection and Connection
  43. Recharge the refrigerant. Refrigerant Recovery and Recharging 
  44. Inspect for refrigerant leaks.