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Home >> Cadillac >> 2021 >> CT4 V, RWD >> Repair and Diagnosis >> Engine Mechanical >> Mechanical >> Engine Mechanical - 2.7L (L3B) - Repair Instructions - Ct4 (2 Of 6) >> Timing Chain Guide Replacement (Tensioner Side) >> Installation Procedure

Installation Procedure

  1. GM5515484Courtesy of GENERAL MOTORS COMPANY

    Timing Chain Guide (2) - Install

    2. CAUTION:

    Refer to Fastener Caution .

  2. Timing Chain Guide Bolt (1) - Install and tighten - Fastener Specifications
  3. GM5512284Courtesy of GENERAL MOTORS COMPANY

    Timing Chain Tensioner (2) - Install

  4. Timing Chain Tensioner Bolt (1) - Install and tighten [2x] - Fastener Specifications
  5. GM5257435Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Lubricate under the washer surface.

    Lubricate the camshaft position actuator valve solenoid bolts (1) with clean engine oil where indicated. Adhesives, Fluids, Lubricants, and Sealers

  6. GM5257330Courtesy of GENERAL MOTORS COMPANY

    Install and hand tighten the NEW camshaft position actuator valve solenoid bolts (1).

  7. GM5274568Courtesy of GENERAL MOTORS COMPANY

    EN-52436  Timing Chain Tensioner Retention Tool (1) @ Timing Chain (2) - Remove

  8. GM5257414Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    Hold the camshaft position actuator firmly and squarely during camshaft position actuator valve solenoid bolt removal/installation. Failure to do so may result in damage to the inside of the camshaft position actuator.

    NOTE:

    Pressure must be applied towards the engine on the EN-52461  Camshaft Torque Reaction Tool at points (3) prior to and during any time the following two conditions are simultaneously met.

    • The camshaft position actuator valve solenoid bolt is loosened or removed.
    • The EN-52461  Camshaft Torque Reaction Tool bolts (2, 3) are loosened.

    Shift the slack in the timing chain to be taken up by the timing chain tensioner.

    1. Loosen the EN-52461  Camshaft Torque Reaction Tool bolt (2).
    2. Use a wrench to turn the EN-52461  Camshaft Torque Reaction Tool (1) counter-clockwise 6 N.m (53 lb in), then hold.
    3. Tighten the EN-52461  Camshaft Torque Reaction Tool bolt (2) to lock the intake actuator securely in place.
    4. Remove the wrench from EN-52461  Camshaft Torque Reaction Tool (1).
    5. Loosen the EN-52461  Camshaft Torque Reaction Tool bolt (3).
    6. Use a wrench to turn the EN-52461  Camshaft Torque Reaction Tool (4) counter-clockwise 6 N.m (53 lb in), then hold.
    7. Tighten the EN-52461  Camshaft Torque Reaction Tool bolt (3) to lock the intake actuator securely in place.
    8. Remove the wrench from EN-52461  Camshaft Torque Reaction Tool (4).
  9. GM5257299Courtesy of GENERAL MOTORS COMPANY

    Tighten the NEW camshaft position actuator valve solenoid bolts (1). Fastener Specifications

  10. GM5257293Courtesy of GENERAL MOTORS COMPANY

    Loosen the EN-52461  Camshaft Torque Reaction Tool bolts (2) to un-lock the actuators.

  11. Disengage the tangs of the EN-52461  Camshaft Torque Reaction Tool (1) from the intake and exhaust camshaft position actuator slots.
  12. GM5257213Courtesy of GENERAL MOTORS COMPANY

    Remove the 2 EN-52461  Camshaft Torque Reaction Tool bolts (3).

  13. EN-52461  Camshaft Torque Reaction Tool (1) @ EN-52461-200  Camshaft Torque Reaction Tool 2.7L Adapter (2) - Remove
  14. GM5256386Courtesy of GENERAL MOTORS COMPANY

    Remove the 2 EN-52461-200  Camshaft Torque Reaction Tool 2.7L Adapter bolts (3).

  15. EN-52461-200  Camshaft Torque Reaction Tool 2.7L Adapter (2) - Remove [2x]
  16. Rotate both handles (4) of the EN-52462-A  Camshaft Alignment Tool towards the front of the engine.
  17. GM5256287Courtesy of GENERAL MOTORS COMPANY

    Loosen and disengage the EN-52462-A  Camshaft Alignment Tool bolt (2) from camshaft carrier.

  18. EN-52462-A  Camshaft Alignment Tool (1) - Remove
  19. GM5255373Courtesy of GENERAL MOTORS COMPANY

    Clean and apply sealant to the 2 camshaft cover core hole plugs (1). Adhesives, Fluids, Lubricants, and Sealers

  20. Camshaft Cover Core Hole Plug (1) - Install and tighten [2x] - Fastener Specifications
  21. GM5022287Courtesy of GENERAL MOTORS COMPANY

    Engine Front Cover Locating Pin (1) - Install [2x]

  22. Timing Chain Upper Cover Seal (2) - Install NEW
  23. GM5512168Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure that the sealing surface is clear of oil, grease and old sealant material.

    NOTE:

    Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant

    NOTE:

    The timing chain upper cover must be installed within 8 minutes of the RTV sealant application.

    Apply room temperature vulcanizing (RTV) sealant at the seam between the camshaft housing and the cylinder head where indicated. Adhesives, Fluids, Lubricants, and Sealers

  24. GM5022287Courtesy of GENERAL MOTORS COMPANY

    Timing Chain Upper Cover (3) - Install

  25. Timing Chain Upper Cover Bolt (4) - Install and hand tighten [9x]
  26. Timing Chain Upper Cover Bolt (5) - Install and hand tighten
  27. Timing Chain Upper Cover Bolt (4, 5) - Tighten in sequence [10x] - Fastener Specifications
  28. GM5020482Courtesy of GENERAL MOTORS COMPANY

    Camshaft Position Actuator Magnet Gasket (3) - Install NEW [2x]

  29. Camshaft Position Actuator Magnet (2) - Install [2x]
  30. Camshaft Position Actuator Magnet Bolt (1) - Install and tighten [4x] - Fastener Specifications
  31. GM5512093Courtesy of GENERAL MOTORS COMPANY

    Retainer (1) - Install

  32. GM5512092Courtesy of GENERAL MOTORS COMPANY

    Positive Crankcase Ventilation Tube (4) - Connect - Plastic Collar Quick Connect Fitting Service

  33. Engine Wiring Harness (3) - Reposition
  34. Retainer (2) - Install [5x]
  35. Electrical Connector (1) - Connect [2x]
  36. GM5021096Courtesy of GENERAL MOTORS COMPANY

    Engine Front Cover Locating Pin (1) - Install [2x]

  37. EN-52483  Cover Installation Guide Pins - Install
  38. GM5045208Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure that the sealing surface is clear of oil, grease and old sealant material.

    NOTE:

    Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant

    NOTE:

    The engine front cover must be installed within 8 minutes of applying the RTV sealant application.

    Apply a bead of room temperature vulcanizing sealant (1) as shown. Adhesives, Fluids, Lubricants, and Sealers

  39. GM5021096Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Leave the seal protector that ships installed onto the NEW engine front cover on.

    Install the engine front cover (2) until the seal protector is flush with the end of the crankshaft.

  40. Press the center of the engine front cover in, allowing the crankshaft to push out the seal protector.
  41. DISCARD the seal protector.
  42. Once the engine front cover is completely seated, inspect the seal around the crankshaft to ensure it has not folded over itself.
  43. EN-52483  Cover Installation Guide Pins - Remove
  44. Engine Front Cover Bolt (1) - Install and hand tighten [10x]
  45. Fig 1: Identifying Engine Front Cover Bolts With Tightening Sequence
    GM5021113Courtesy of GENERAL MOTORS COMPANY

    Engine Front Cover Bolt (1) - Tighten in sequence [14x] - Fastener Specifications

  46. Crankshaft Balancer Bolt - Remove and DISCARD
  47. GM5164169Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    The timing pin (3) is installed into the flexplate for engine timing procedures, it can be damaged if torque is applied to the flexplate with the timing pin engaged. The pin must be placed in the retracted position before torque is applied to the flexplate.

    Set the timing pin feature in the retracted position from the engaged position by pulling back and twisting the handle (1) 90 degrees.

  48. Engage the EN-52476  Flywheel Holding Tool (2) to the flex plate.
  49. GM5003927Courtesy of GENERAL MOTORS COMPANY

    Crankshaft Balancer (2) - Install

  50. Crankshaft Balancer Bolt - Install NEW and tighten - Fastener Specifications
  51. GM5164169Courtesy of GENERAL MOTORS COMPANY

    EN-52476  Flywheel Holding Tool (2) - Remove

  52. GM5417288Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Generator Battery Jumper Cable (2) - Install

  53. Battery Positive Cable Nut (1) @ Starter Solenoid - Install and tighten - Fastener Specifications
  54. Electrical Connector (4) - Connect
  55. Starter (3) - Install
  56. GM5417249Courtesy of GENERAL MOTORS COMPANY

    Starter Bolt (2) - Install and tighten [2x] - Fastener Specifications

  57. Starter Stud (1) - Install and tighten - Fastener Specifications
  58. GM5417233Courtesy of GENERAL MOTORS COMPANY

    Auxiliary Generator Battery Jumper Cable - Install

  59. Install and tighten the auxiliary generator battery jumper cable terminal nut (1). Fastener Specifications
  60. Retainer (3) - Engage
  61. GM5396466Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Seal (2) - Install NEW [2x]

  62. Engine Oil Cooler (1) - Install
  63. GM5396459Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Bolt (1) - Install and tighten [4x] - Fastener Specifications

  64. GM5396452Courtesy of GENERAL MOTORS COMPANY

    Engine Oil Cooler Coolant Inlet Hose (3) @ Engine Oil Cooler - Install

  65. Engine Oil Cooler Coolant Outlet Hose (2) @ Engine Oil Cooler - Install
  66. Hose Clamp (1) - Engage [2x] - Hose Clamp Replacement Guidelines - Spring Type
  67. Lower the vehicle.
  68. GM5138580Courtesy of GENERAL MOTORS COMPANY

    Drive Belt Tensioner (4) - Install

  69. Drive Belt Tensioner Bolt (3) - Install and tighten [2x] - Fastener Specifications
  70. Belt Idler Pulley (2) - Install
  71. Belt Idler Pulley Bolt (1) - Install and tighten - Fastener Specifications
  72. GM5003904Courtesy of GENERAL MOTORS COMPANY

    Belt Idler Pulley (1) - Install and tighten - Fastener Specifications

  73. Fig 2: Identifying Accessory Drive Primary Drive Belt Routing (L3B)
    GM5156329Courtesy of GENERAL MOTORS COMPANY

    Position the accessory drive primary belt onto all of the pulleys except one idler pulley.

  74. Use a suitable tool to rotate the drive belt tensioner (1) counterclockwise and hold.
  75. Accessory Drive Primary Belt (2) - Install
  76. Release the drive belt tensioner, inspect the accessory drive primary belt (2) to ensure it is centered on all pulleys.
  77. GM5456829Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure the intake manifold cover insulator retainers fully engage the intake manifold cover studs.

    Intake Manifold Cover Insulator (1) - Install

  78. GM5456746Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Cover Bolt (1) - Install and tighten - Fastener Specifications

  79. GM5432174Courtesy of GENERAL MOTORS COMPANY

    Intake Manifold Cover (1) @ Upper Intake Manifold Bracket (2) - Install

  80. GM5432171Courtesy of GENERAL MOTORS COMPANY

    Push down on the front of the intake manifold cover (2).

  81. Intake Manifold Cover Bolt (1) - Install and tighten [2x] - Fastener Specifications
  82. Install the oil fill cap.
  83. Fill the engine oil to the proper level with NEW engine oil. Engine Oil and Oil Filter Replacement
  84. Fill the cooling system. Cooling System Draining and Filling (L3B Static Fill) , or Cooling System Draining and Filling (L3B GE 47716)
  85. Connect the negative battery cable. Battery Negative Cable Disconnection and Connection
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