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Home >> GMC >> 2021 >> Yukon XL AT4 >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 5.3L (L84) Or 6.2L (L87) - Repair Instructions ( 6 Of 12) >> Repair Instructions >> Camshaft Position Actuator Solenoid Valve Replacement >> Removal Procedure

Removal Procedure

  1. Drain the cooling system. Cooling System Draining and Filling (GE 47716 L84, L87) , or Cooling System Draining and Filling (Static L84, L87) .
  2. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection (KL9)
  3. GM5001375Courtesy of GENERAL MOTORS COMPANY

    Air Cleaner Outlet Duct Bracket Bolt (1) - Remove

  4. Remove the engine wiring harness from the air cleaner outlet duct bracket.
  5. GM5551440Courtesy of GENERAL MOTORS COMPANY

    Positive Crankcase Ventilation Fresh Air Tube (1) - Disconnect - Plastic Collar Quick Connect Fitting Service

  6. Air Cleaner Outlet Duct Clamp (2) - Loosen [ 2x ]
  7. Air Cleaner Outlet Duct (3) - Remove
  8. GM5572790Courtesy of GENERAL MOTORS COMPANY

    Retaining Tab (1) - Disengage [ 2x ]

  9. Engine Wiring Harness Junction Block Cover (2) - Remove
  10. Battery Positive Cable Nut (3) - Remove
  11. Starter Solenoid Cable (4) - Remove
  12. GM5572883Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Junction Block Bolt (2) - Loosen [ 4x ]

  13. Retaining Tab (1) - Disengage [ 4x ]
  14. Engine Wiring Harness Junction Block (3) - Remove
  15. GM5573073Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) - Remove [ 4x ]

  16. GM5573198Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Fuse Block Bracket Bolt (2) - Remove [ 2x ]

  17. Retaining Tab (1) - Disengage
  18. Engine Wiring Harness Fuse Block Bracket (3) - Remove
  19. GM5568620Courtesy of GENERAL MOTORS COMPANY

    Radiator Surge Tank Outlet Hose Clip (2) - Remove [ 2x ]

  20. Radiator Surge Tank Outlet Hose (3) - Position aside
  21. GM5568866Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Radiator Inlet Hose Clip (2) - Remove

  22. Radiator Inlet Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type
  23. Radiator Inlet Hose (3) @ Engine Radiator - Remove and position aside
  24. GM5568870Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Some components not shown for graphic clarity.

    Wiring Harness Retainer (1) - Remove [ 2x ]

  25. Electrical Connector (3) - Disconnect
  26. Wiring Harness (2) - Position aside
  27. GM5568871Courtesy of GENERAL MOTORS COMPANY

    Wiring Harness Retainer (2) - Remove [ 2x ]

  28. Electrical Connector (1) - Disconnect
  29. Wiring Harness (3) - Position aside
  30. GM5568873Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Hose Clip (1) - Release

  31. GM5568876Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Retainer (2) - Remove [ 2x ]

  32. Engine Oil Cooler Pipe Bracket Bolt (3) - Remove
  33. Engine Oil Cooler Hose (1) @ Engine Radiator - Remove [ 2x ]
  34. GM5569435Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Bolt (1) - Remove

  35. Transmission Fluid Cooler Pipe Clip (2) - Remove [ 2x ]
  36. GM5569584Courtesy of GENERAL MOTORS COMPANY

    Transmission Fluid Cooler Pipe Clip (1) - Release

  37. GM5001393Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Fan Bracket Bolt (1) - Remove [ 2x ]

  38. GM5001394Courtesy of GENERAL MOTORS COMPANY

    Engine Cooler Fan (1) @ Engine Radiator - Remove

  39. GM5606792Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The accessory drive primary belt is not reusable.

    Some components not shown for graphic clarity.

    Using a suitable tool, cut the accessory drive primary belt (1).

  40. Accessory Drive Primary Belt (1) - Remove and DISCARD
  41. GM5606811Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The accessory drive auxiliary belt is not reusable.

    Using a suitable tool, cut the accessory drive auxiliary belt (1).

  42. Accessory Drive Auxiliary Belt (1) - Remove and DISCARD
  43. GM5573641Courtesy of GENERAL MOTORS COMPANY

    Battery Positive Cable Nut (1) - Remove

  44. Starter Solenoid Cable (2) - Remove
  45. Electrical Connector (3) - Disconnect
  46. GM5573707Courtesy of GENERAL MOTORS COMPANY

    Generator Bolt (1) - Remove

  47. Generator Bolt (2) - Remove
  48. GM5575803Courtesy of GENERAL MOTORS COMPANY

    Generator (1) - Remove

  49. GM5587614Courtesy of GENERAL MOTORS COMPANY

    Hose Clamp (1) - Disengage [ 2x ] - Hose Clamp Replacement Guidelines - Spring Type

  50. Heater Inlet Hose (2) @ Water Pump - Remove
  51. Heater Water Auxiliary Pump Hose (3) @ Water Pump - Remove
  52. GM5587609Courtesy of GENERAL MOTORS COMPANY

    Hose Clamp (1) - Disengage - Hose Clamp Replacement Guidelines - Spring Type

  53. Radiator Outlet Hose (2) @ Water Pump - Remove
  54. GM5587615Courtesy of GENERAL MOTORS COMPANY

    Hose Clamp (1) - Disengage [ 2x ] - Hose Clamp Replacement Guidelines - Spring Type

  55. Engine Coolant Air Bleed Hose (2) @ Water Pump - Remove
  56. Radiator Inlet Hose (3) @ Water Pump - Remove
  57. GM5587616Courtesy of GENERAL MOTORS COMPANY

    Engine Coolant Temperature Sensor Electrical Connector (1) - Disconnect

  58. GM5584962Courtesy of GENERAL MOTORS COMPANY

    Air Conditioning Compressor Bolt (1) - Remove

  59. Air Conditioning Compressor Nut (2) - Remove
  60. Air Conditioning Compressor Stud (3) - Remove
  61. GM5584980Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    It is not necessary to recover and recharge the refrigerant to perform this repair.

    Air Conditioning Compressor (1) - Remove and position aside

  62. GM4994474Courtesy of GENERAL MOTORS COMPANY

    Water Pump Housing Bolt (1) - Remove [ 6x ]

  63. GM5587617Courtesy of GENERAL MOTORS COMPANY

    Water Pump (1) - Remove

  64. Water Pump Gasket (2) - Remove and DISCARD [ 2x ]
  65. GM5613297Courtesy of GENERAL MOTORS COMPANY

    Disconnect the camshaft position actuator magnet electrical connector (1) from the camshaft position actuator magnet.

  66. Camshaft Position Actuator Magnet Bolt (2) - Remove [ 3x ]
  67. GM5613298Courtesy of GENERAL MOTORS COMPANY

    Camshaft Position Actuator Magnet (2) - Remove

  68. Camshaft Position Actuator Magnet Gasket (1) - Remove and DISCARD
  69. GM5613308Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    The camshaft position actuator solenoid valves must be kept parallel to the engine front cover during removal and installation. The camshaft position actuator solenoid valves can be damaged if they become wedged or stuck during this process.

    Install EN-52287  Balancer Holding Kit (3) and EN-956-1  Extension Bar (2) to the crankshaft balancer (4).

  70. Hold EN-52287  Balancer Holding Kit (3) and EN-956-1  Extension Bar (2) and Remove and Discard the camshaft position actuator solenoid valve (1).
  71. Remove EN-52287  Balancer Holding Kit (3) and EN-956-1  Extension Bar (2) from the crankshaft balancer (4).