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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 220 (Engine Mechanical - 2.0L (LSY) - Repair Instructions (1 Of 3)) >> Repair Instructions >> Camshaft Sprocket Bolt Replacement >> Removal Procedure

Removal 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. Disconnect the battery. Battery Negative Cable Disconnection and Connection
  2. Remove the oil fill cap.
  3. GM5335087

    Lift up on the front of the intake manifold cover (1).

  4. GM5335089

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

  5. GM5335764

    Oil Level Indicator (1) - Remove

  6. GM5136547

    Electrical Connector (1) @ Oil Level Indicator Tube (3) - Unclip

  7. Oil Level Indicator Tube Bracket Bolt (2) - Remove
  8. GM5068106

    Oil Level Indicator Tube (1) - Remove

  9. Oil Level Indicator Tube Seal (2) - Remove and DISCARD
  10. Raise and support the vehicle. Lifting and Jacking the Vehicle
  11. GM5460874

    Battery Negative Cable Nut (1) @ Starter Stud - Remove

  12. Engine Wiring Harness Retainer (2) - Disengage [2x]
  13. Auxiliary Generator Battery Jumper Cable (3) - Remove
  14. GM5460935

    Electrical Connector (1) - Disconnect

  15. GM5460947

    Battery Positive Cable Nut (1) @ Starter Solenoid - Remove

  16. Auxiliary Generator Battery Jumper Cable (2) - Remove
  17. GM5319715

    Starter Stud (1) - Remove

  18. Starter Bolt (2) - Remove [2x]
  19. Starter (3) - Remove
  20. GM5164169

    Install the EN-52476  Flywheel Lock and Alignment Tool (2) to the automatic transmission flexplate without the slide or timing pin engaged.

  21. Lower the vehicle.
  22. GM5080707

    Disconnect the evaporative emission canister purge tube quick disconnects (1). Plastic Collar Quick Connect Fitting Service

  23. Disconnect the evaporative emission canister purge tube (2) from the retainer (3).
  24. GM5562846

    Disconnect the 2 electrical connectors from the camshaft position actuator solenoids.

  25. Retainer (1) @ Timing Chain Upper Cover (2) - Unclip [6x]
  26. Engine Wiring Harness (3) - Reposition
  27. GM5439440

    Camshaft Position Actuator Valve Solenoid Bolt (1) - Remove [2x]

  28. Camshaft Position Actuator Valve Solenoid (2) - Remove
  29. Camshaft Position Actuator Magnet Gasket (3) - Remove and DISCARD
  30. GM5439441

    Camshaft Position Actuator Valve Solenoid Bolt (1) - Remove [2x]

  31. Camshaft Position Actuator Valve Solenoid (2) - Remove
  32. Camshaft Position Actuator Magnet Gasket (3) - Remove and DISCARD
  33. GM4997059

    Timing Chain Upper Cover BoltEngine Front Cover Bolt-M6 (3) - Remove

  34. Timing Chain Upper Cover Bolt-M5 (2) - Remove [11x]
  35. GM4997066

    Timing Chain Upper Cover (2) - Remove

  36. Timing Belt Front Upper Cover Seal (1) - Remove and DISCARD
  37. GM5285267

    Retainer (1) - Unclip [3x]

  38. Engine Wiring Harness (2) - Reposition
  39. GM5525924

    Camshaft Cover Opening Plug (1) - Remove [2x]

  40. GM5285281
    NOTE:

    Rotate the engine using the crankshaft balancer until the locking pins of the EN-52462-A  Camshaft Alignment Tool (1) drop into the slots in the camshafts.

    EN-52462-A  Camshaft Alignment Tool (1) - Install

  41. Insert the bolt (2) of the EN-52462-A  Camshaft Alignment Tool (1) into the camshaft carrier and tighten to secure the tool to the camshaft carrier.
  42. GM5002071

    Lock the EN-52462-A  Camshaft Alignment Tool (1) by rotating the levers in direction of arrow.

  43. GM5164169
    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 flexplate when torque is applied to the flexplate or crankshaft balancer bolt.

    Install the timing pin (3) by releasing the handle (1).

  44. GM5002066

    Install the EN-52461  Cam Phaser Torque Reaction Tool (2) to the 2 EN-52461 - 100  Adapter Cam Phaser Torque Reaction Tool (3).

  45. Hand tighten the 2 bolts (1, 4) of EN-52461  Cam Phaser Torque Reaction Tool.
  46. GM5002065

    Install the EN-52461  Cam Phaser Torque Reaction Tool (5) along with the 2 EN-52461  Cam Phaser Torque Reaction Tool (2, 3) to the camshaft carrier.

  47. Tighten the 2 bolts (1, 4) of EN-52461 - 100  Adapter Cam Phaser Torque Reaction Tool.
  48. Tighten the 2 bolts from the EN-52461  Cam Phaser Torque Reaction Tool to the 2 EN-52461  Cam Phaser Torque Reaction Tool that were hand tightened.
  49. GM5002079

    Install the EN-52461 - 1  Holder (1) to the holes in the camshaft sprocket.

  50. Check that the EN-52461 - 1  Holder (1) sits correctly in the hole of the camshaft sprocket.
  51. Loosen the specific camshaft sprocket bolt (2) for the side that is being replaced. To take tension off the actuator that is required for the specific camshaft bolt, use steps below.
      NOTE:

      Only do the side that is being replaced.

    1. Turn the exhaust side counter clockwise to 6 N.m (53 lb in) and tighten bolt (3) just enough to hold the EN-52461 - 1  Holder in place.
    2. Turn the intake side counter clockwise to 6 N.m (53 lb in) and tighten bolt (4) just enough to hold the EN-52461 - 1  Holder in place.
  52. GM5185359

    Install the EN-52436  Timing Chain Tensioner Retention Tool (1) at the timing chain (2) down far enough to hold pressure against the tensioner to hold it in place.

  53. GM5150021
    NOTE:

    Remove and DISCARD the one camshaft sprocket bolt that is required.

    Camshaft Sprocket Bolt (1) - Remove and DISCARD

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