LEMON Manuals: Even more car manuals for everyone
Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 23 (Engine Mechanical - 2.7L (L3B) - Repair Instructions - Ct4 (2 Of 6)) >> Camshaft Sprocket Bolt Replacement >> Removal Procedure

Removal Procedure

WARNING: This page is about a different variant/trim than selected.
  1. Disconnect the battery. BATTERY NEGATIVE CABLE DISCONNECTION AND CONNECTION
  2. Remove the oil fill cap.
    GM5335087Courtesy of GENERAL MOTORS COMPANY
  3. Lift up on the front of the intake manifold cover (1).
    GM5335089Courtesy of GENERAL MOTORS COMPANY
  4. Intake Manifold Cover (1) @ Upper Intake Manifold Bracket (2) - Remove
    GM5335764Courtesy of GENERAL MOTORS COMPANY
  5. Oil Level Indicator (1) - Remove
    GM5136547Courtesy of GENERAL MOTORS COMPANY
  6. Electrical Connector (1) @ Oil Level Indicator Tube (3) - Unclip
  7. Oil Level Indicator Tube Bracket Bolt (2) - Remove
    GM5068106Courtesy of GENERAL MOTORS COMPANY
  8. 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
    GM5460874Courtesy of GENERAL MOTORS COMPANY
  11. Battery Negative Cable Nut (1) @ Starter Stud - Remove
  12. Engine Wiring Harness Retainer (2) - Disengage [2x]
  13. Auxiliary Generator Battery Jumper Cable (3) - Remove
    GM5460935Courtesy of GENERAL MOTORS COMPANY
  14. Electrical Connector (1) - Disconnect
    GM5460947Courtesy of GENERAL MOTORS COMPANY
  15. Battery Positive Cable Nut (1) @ Starter Solenoid - Remove
  16. Auxiliary Generator Battery Jumper Cable (2) - Remove
    GM5319715Courtesy of GENERAL MOTORS COMPANY
  17. Starter Stud (1) - Remove
  18. Starter Bolt (2) - Remove [2x]
  19. Starter (3) - Remove
    GM5164169Courtesy of GENERAL MOTORS COMPANY
  20. 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.
    GM5080707Courtesy of GENERAL MOTORS COMPANY
  22. 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).
    GM5562846Courtesy of GENERAL MOTORS COMPANY
  24. 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
    GM5439440Courtesy of GENERAL MOTORS COMPANY
  27. 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
    GM5439441Courtesy of GENERAL MOTORS COMPANY
  30. 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
    GM4997059Courtesy of GENERAL MOTORS COMPANY
  33. Timing Chain Upper Cover Bolt Engine Front Cover Bolt - M6 (3) - Remove
  34. Timing Chain Upper Cover Bolt - M5 (2) - Remove [11x]
    GM4997066Courtesy of GENERAL MOTORS COMPANY
  35. Timing Chain Upper Cover (2) - Remove
  36. Timing Belt Front Upper Cover Seal (1) - Remove and DISCARD
    GM5285267Courtesy of GENERAL MOTORS COMPANY
  37. Retainer (1) - Unclip [3x]
  38. Engine Wiring Harness (2) - Reposition
    GM5525924Courtesy of GENERAL MOTORS COMPANY
  39. Camshaft Cover Opening Plug (1) - Remove [2x]
    GM5285281Courtesy of GENERAL MOTORS COMPANY
    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.
  40. 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.
    GM5002071Courtesy of GENERAL MOTORS COMPANY
  42. Lock the EN-52462-A Camshaft Alignment Tool (1) by rotating the levers in direction of arrow.
    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 flexplate when torque is applied to the flexplate or crankshaft balancer bolt.
  43. Install the timing pin (3) by releasing the handle (1).
    GM5002066Courtesy of GENERAL MOTORS COMPANY
  44. 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.
    GM5002065Courtesy of GENERAL MOTORS COMPANY
  46. 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.
    GM5002079Courtesy of GENERAL MOTORS COMPANY
  49. 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.
    GM5185359Courtesy of GENERAL MOTORS COMPANY
  52. 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.
    GM5150021Courtesy of GENERAL MOTORS COMPANY
    NOTE: Remove and DISCARD the one camshaft sprocket bolt that is required.
  53. Camshaft Sprocket Bolt (1) - Remove and DISCARD
scientia non olet · About LEMON Manuals