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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 220 (Engine Mechanical - 2.0L (LSY) - Repair Instructions (1 Of 3)) >> Repair Instructions >> Timing Chain Guide Replacement (Upper) >> 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. Remove the oil fill cap.
    2. NOTE:

    Leave the oil filter in place, or oil will continue to drip.

  2. Drain the engine oil. Engine Oil and Oil Filter Replacement (RWD) , or Engine Oil and Oil Filter Replacement (AWD)
  3. Disconnect the battery. Battery Negative Cable Disconnection and Connection
  4. GM5335087

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

  5. GM5335089

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

  6. GM5080707

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

  7. Disconnect the evaporative emission canister purge tube (2) from the retainer (3).
  8. GM5285267

    Retainer (1) - Unclip [3x]

  9. Engine Wiring Harness (2) - Reposition
  10. GM5525924

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

  11. 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

  12. 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.
  13. GM5002071

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

  14. GM5562846

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

  15. Retainer (1) @ Timing Chain Upper Cover (2) - Unclip [6x]
  16. Engine Wiring Harness (3) - Reposition
  17. GM5439440

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

  18. Camshaft Position Actuator Valve Solenoid (2) - Remove
  19. Camshaft Position Actuator Magnet Gasket (3) - Remove and DISCARD
  20. GM5439441

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

  21. Camshaft Position Actuator Valve Solenoid (2) - Remove
  22. Camshaft Position Actuator Magnet Gasket (3) - Remove and DISCARD
  23. GM4997059

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

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

    Timing Chain Upper Cover (2) - Remove

  26. Timing Belt Front Upper Cover Seal (1) - Remove and DISCARD
  27. GM5002066

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

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

    Install the EN-52461  Cam Phaser Torque Reaction Tool (5) along with the 2 EN-52461 - 100  Adapter Cam Phaser Torque Reaction Tool (2, 3) to the camshaft carrier.

  30. GM5002066

    Tighten the 2 bolts (1, 4) of EN-52461  Cam Phaser Torque Reaction Tool.

  31. GM5002079

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

  32. Check that the EN-52461 - 1  Holder (1) sits correctly in the hole of the camshaft sprocket.
  33. To take tension off the actuators and loosen timing chain. 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.
  34. Turn the exhaust side clockwise to 6 N.m (53 lb in)) and tighten bolt (3) just enough to hold the EN-52461 - 1  Holder in place.
  35. GM5334146

    Timing Chain Guide (1) - Remove

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