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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 325 (Engine Mechanical - 2.0L (LSY) - Repair Instructions) >> Repair Instructions >> Timing Chain Tensioner Replacement >> 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. Clean all sealing surfaces.
  2. GM5442548Courtesy of GENERAL MOTORS COMPANY

    Timing Chain Tensioner (1) - Install

    3. CAUTION:

    Refer to Fastener Caution .

  3. Timing Chain Tensioner Bolt (2) - Install [2x] 15 N.m (11 lb ft)
  4. GM5002065Courtesy of GENERAL MOTORS COMPANY

    Loosen the 2 bolts (1, 4) of EN-52461-100  Adapter Cam Phaser Torque Reaction Tool (5).

  5. Remove the EN-52461  Cam Phaser Torque Reaction Tool (5) along with the 2 EN-52461-100  Adapter Cam Phaser Torque Reaction Tool (2, 3) from the engine.
  6. GM5442955Courtesy of GENERAL MOTORS COMPANY

    EN-955-10A  Locking Pin (1) - Remove

  7. Clean all sealing surfaces.
  8. Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
  9. GM4998009Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • The engine front cover sealing surface must be free of contamination prior to applying the sealer.
    • Install and align the engine front cover to engine block within 10 minutes of applying the sealer.
    • The engine front cover must be fastened to final torque specification within 15 minutes of applying the sealer.

    Apply approximately a 4 mm (0.16 in) thick bead of sealant (1) to the engine front cover. Adhesives, Fluids, Lubricants, and Sealers

  10. Crankshaft Balancer Bolt - Remove and DISCARD
  11. GM5108952Courtesy of GENERAL MOTORS COMPANY

    Install the EN-52440  guide (2) to the crankshaft.

  12. Install the engine front cover (1) backwards using the 2 tabs to size the seal.
  13. GM4998004Courtesy of GENERAL MOTORS COMPANY

    Remove the engine front cover (1) after the seal is sized.

  14. EN-52483  Guide Pins (2) - Install
  15. Engine Front Cover (1) - Install
  16. EN-52440  Crankshaft Oil Seal Ring Guide Front (3) - Remove
  17. GM4997994Courtesy of GENERAL MOTORS COMPANY

    Engine Front Cover Bolt (1) - Install and hand tighten [7x]

  18. Remove the EN-52483  Guide Pins
  19. Engine Front Cover Bolt (1) - Install and hand tighten [2x]
  20. GM4998008Courtesy of GENERAL MOTORS COMPANY

    Engine Front Cover Bolt (1) - Tighten in sequence [9x] - Engine Front Cover Replacement 

  21. GM5149274Courtesy of GENERAL MOTORS COMPANY

    Remove the EN-52462-A  Camshaft Tool (1) by rotating the levers in direction of arrows.

  22. GM5285281Courtesy of GENERAL MOTORS COMPANY

    Loosen and disengage the bolt (2) from EN-52462-A  Camshaft Alignment Tool (1).

  23. EN-52462-A  Camshaft Alignment Tool (1) - Remove
  24. GM5285270Courtesy of GENERAL MOTORS COMPANY

    Clean and apply sealant to the camshaft cover opening plug (1) [2x]. Adhesives, Fluids, Lubricants, and Sealers

    25. NOTE:

    Refer to the procedure link for torque specification.

  25. Camshaft Cover Opening Plug (1) - Install [2x] - Camshaft Timing Chain Replacement (LSY, RWD, with V03) , or Camshaft Timing Chain Replacement (LSY, without V03) 
  26. GM5431909Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness (1) @ Camshaft Carrier - Install

  27. GM4997073Courtesy of GENERAL MOTORS COMPANY
    NOTE:
    • The timing chain upper cover sealing surface must be free of contamination prior to applying the sealer.
    • Install and align the timing chain upper cover to engine block within 10 minutes of applying the sealer.
    • The timing chain upper cover must be fastened to final torque specification within 15 minutes of applying the sealer.
    • Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant

    Apply approximately a 5 mm (0.2 in) thick bead of sealant (2) on both sides between the camshaft housing and the cylinder head. Adhesives, Fluids, Lubricants, and Sealers .

  28. Check that the 2 Pins (1) are in the camshaft housing or in the timing chain upper cover.
  29. GM4997066Courtesy of GENERAL MOTORS COMPANY

    Timing Chain Upper Cover Seal (1) - Install NEW

  30. Timing Chain Upper Cover (2) - Install
  31. GM4997059Courtesy of GENERAL MOTORS COMPANY

    Engine Front Cover Bolt (3) - Install

  32. Timing Belt Upper Cover Bolt (2) - Install [11x]
    33. NOTE:

    Refer to the procedure link for torque specification.

  33. Tighten the engine front cover bolt (3) and, Timing belt upper cover bolts (2) [11x] in sequence. Timing Chain Upper Cover Replacement 
  34. GM5439441Courtesy of GENERAL MOTORS COMPANY

    Camshaft Position Actuator Magnet Gasket (3) - Install NEW

  35. Camshaft Position Actuator Valve Solenoid (2) - Install
  36. Camshaft Position Actuator Valve Solenoid Bolt (1) - Install [2x] - Camshaft Position Actuator Valve Solenoid Replacement - Intake
  37. GM5439440Courtesy of GENERAL MOTORS COMPANY

    Camshaft Position Actuator Magnet Gasket (3) - Install NEW

  38. Camshaft Position Actuator Valve Solenoid (2) - Install
  39. Camshaft Position Actuator Valve Solenoid Bolt (1) - Install [2x] - Camshaft Position Actuator Valve Solenoid Replacement - Exhaust
  40. GM5562846Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness (3) - Reposition

  41. Retainer (1) @ Timing Chain Upper Cover (2) - Engage [6x]
  42. Connect the 2 electrical connectors to the camshaft position actuator valve solenoids.
  43. Raise and support the vehicle. Lifting and Jacking the Vehicle
  44. 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 timing pin must be placed in the retracted position using the handle (1) and twisting to locked position. The slide part (4) to be installed to the flex plate when torque is applied to the flexplate or crankshaft balancer bolt.

    Retract the timing pin (3) using the handle (1) of the EN-52476  Flywheel Lock and Alignment Tool (2).

  45. Ensure to engage the slide (4) of the EN-52476  Flywheel Lock and Alignment Tool (2) into the automatic transmission flexplate.
  46. Lower the vehicle.
  47. GM4998850Courtesy of GENERAL MOTORS COMPANY

    Crankshaft Balancer (2) - Install

    48. NOTE:

    Refer to the procedure link for torque specification.

  48. Crankshaft Balancer Bolt (1) - Install NEW - Crankshaft Balancer Replacement 
  49. GM5129786Courtesy of GENERAL MOTORS COMPANY

    Accessory Drive Primary Belt (1) - Install NEW - Accessory Drive Primary Belt Replacement 

  50. Raise and support the vehicle. Lifting and Jacking the Vehicle
  51. 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 timing pin must be placed in the retracted position using the handle (1) and twisting to locked position. The slide part (4) to be installed to the flex plate when torque is applied to the flexplate or crankshaft balancer bolt.

    EN-52476  Flywheel Lock and Alignment Tool (2) - Remove

  52. Starter - Install - Starter Replacement (LSY)
  53. GM5080707Courtesy of GENERAL MOTORS COMPANY

    Evaporative Emission Canister Purge Tube (2) - Install

  54. Connect the quick disconnects (1) and install the retainer (3). Plastic Collar Quick Connect Fitting Service
  55. GM5335089Courtesy of GENERAL MOTORS COMPANY

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

  56. GM5335087Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Ensure the engine sight shield retainers fully engage the intake manifold cover studs.

    Push down on the front of the intake manifold cover (1).

  57. Check and top off engine oil as required.
    1. Adhesives, Fluids, Lubricants, and Sealers
    2. Approximate Fluid Capacities
  58. Install the oil fill cap.
  59. Connect the battery. Battery Negative Cable Disconnection and Connection
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