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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 199 (Engine Mechanical - 3.6L (LF4) - Repair Instructions (4 Of 4)) >> Repair Instructions >> Engine Block Overhaul >> Assemble Procedure

Assemble Procedure

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  1. GM2887520

    Cylinder Head Locating Pin (1) - Install [4x]

  2. Oil Pan Locating Pin (2) - Install
  3. Crankshaft Position Sensor (3) - Install
    4. CAUTION:

    Refer to Fastener Caution .

  4. Crankshaft Position Sensor Bolt (4) - Install and tighten - Fastener Specifications
  5. Crankshaft Rear Oil Seal Housing Locating Pin (5) - Install [2x]
    6. NOTE:

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

  6. Engine Block Oil Gallery Plug (6) - Install and tighten
  7. GM5949029

    Engine Block Core Hole Plug (1) - Install [2x]

  8. Engine Block Oil Gallery Plug (2) - Install and tighten - Fastener Specifications
  9. Engine Block Oil Gallery Plug Seal (3) - Install NEW
  10. Piston Oil Nozzle (4) - Install [3x]
  11. Piston Oil Nozzle Bolt (5) - Install and tighten [3x] - Fastener Specifications
  12. Guide the connecting rod away from the crankshaft connecting rod journal to lubricate the crankshaft connecting rod bearing journal.
  13. Apply a liberal amount of crankshaft prelube to the crankshaft connecting rod bearing journal. Adhesives, Fluids, Lubricants, and Sealers
  14. Guide the connecting rod to the crankshaft connecting rod journal.
  15. Install the connecting rod end cap (4) on its original connecting rod (1) and ensure the bearing lock tangs are aligned on the same side of the rod.
  16. GM902805
    CAUTION:

    Do not lubricate the NEW connecting rod bolts. The NEW bolts have a pre-applied graphite lubricant. Applying lubricant to the connecting rod bolts will effect the clamp load when the connecting rod bolts are torqued. Improper clamp load can lead to component failure and extensive engine damage.

    CAUTION:

    This vehicle is equipped with torque-to-yield or single use fasteners. Install a NEW torque-to-yield or single use fastener when installing this component. Failure to replace the torque-to-yield or single use fastener could cause damage to the vehicle or component.

    Install the NEW connecting rod bolts (5) into the connecting rod cap (4).

  17. Tighten the connecting rod bolts (5). Fastener Specifications
  18. During and after installation, ensure each piston is positioned properly in the correct cylinder. The locating arrow on the top of each piston must be pointing toward the front of the engine.
  19. Repeat these procedures for the remaining piston/connecting rod assemblies using the EN-48589  Crankshaft Rotation Socket to rotate the crankshaft.
  20. GM5906817
    NOTE:
    • Install and align the crankshaft rear oil seal housing within 10 minutes of applying the sealer.
    • Ensure proper use of room temperature vulcanizing (RTV) sealant. Use of Room Temperature Vulcanizing (RTV) and Anaerobic Sealant
    • DO NOT allow any engine oil on the area where the crankshaft rear oil seal housing is to be installed.

    Apply a 3 mm (0.118 in) bead of RTV sealant around the perimeter of the NEW crankshaft rear oil seal housing (1). Adhesives, Fluids, Lubricants, and Sealers

  21. GM5906852

    Install the EN-51766  Crankshaft Rear Oil Seal Installation Tool (1) onto the rear of the crankshaft flange.

  22. GM4597222

    Crankshaft Rear Oil Seal Housing (2) - Install NEW

  23. Crankshaft Rear Oil Seal Housing Bolt (1) - Install and hand tighten
  24. GM5906852

    Remove the EN-51766  Crankshaft Rear Oil Seal Installation Tool (1) from the crankshaft flange.

  25. Crankshaft Rear Oil Seal Housing Bolt (1) - Tighten in sequence [5x] - Fastener Specifications
  26. GM1866869

    Oil Pump (2) - Install

  27. Oil Pump Bolt (1) - Install and tighten - Fastener Specifications
  28. GM4596865

    Crankshaft Sprocket (1) InstallRemove

  29. GM5877141

    Install the 2 EN-46109  Guide Pin (1).

  30. GM5877152
    NOTE:

    Apply a 3 mm (0.118 in) bead of RTV sealant on the oil pan (1). Adhesives, Fluids, Lubricants, and Sealers

  31. Apply a 5 mm (0.197 in) bead of RTV sealant on the oil pan (2). Adhesives, Fluids, Lubricants, and Sealers
  32. GM3239519

    Oil Pan (4) - Install

  33. Oil Pan Bolt (1, 2, 3) - Install and hand tighten
  34. Remove the 2 EN-46109  Guide Pin (1).
  35. Oil Pan Bolt (1, 2, 3) - Tighten in sequence - Fastener Specifications
  36. GM3707163

    Fuel Injection Fuel Rail Noise Shield (1) - Install

  37. GM2202034

    Cylinder Head Gasket (1) - Install NEW

  38. GM2202033

    Cylinder Head (3) - Install

  39. Cylinder Head Bolt (2) - Install NEW and hand tighten
  40. Cylinder Head Bolt (1) - Install NEW and hand tighten [8x]
  41. Cylinder Head Bolt (1, 2) - Tighten in sequence [9x] - Fastener Specifications
  42. GM2202036

    Cylinder Head Gasket (1) - Install NEW

  43. GM2202035

    Cylinder Head (3) - Remove

  44. Cylinder Head Bolt (1) - Install NEW and hand tighten [2x]
  45. Cylinder Head Bolt (2) - Install NEW and hand tighten [8x]
  46. Cylinder Head Bolt (1, 2) - Tighten in sequence [10x] - Fastener Specifications
  47. GM5132951

    Fuel Injection Fuel Rail Noise Shield (1) - Install

  48. GM2917161

    Vacuum Pump (2) - Install

  49. Vacuum Pump Bolt (1) - Install and tighten - Fastener Specifications
  50. GM4017630

    Install a 5/8 inch washer (2) onto the EN-38836  Pilot Bushing Installer/Clutch or equivalent. The washer serves as a stop against the crankshaft face and will assist in installing the bearing to the proper depth.

  51. Install the new pilot bearing (1) onto the tool.
  52. GM4454238

    Install a NEW pilot bearing (1) into the crankshaft using the EN-38836  Pilot Bushing Installer/Clutch or equivalent.

  53. Inspect the clutch pilot bearing for proper installation. A properly installed clutch pilot bearing will be installed until flush to the rear of the crankshaft.
  54. GM4598413

    {with Automatic Transmission}

    1. Install the automatic transmission flex plate (2).
    2. If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:
      1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
      2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
      3. Remove loose debris from internal and external threads using compressed air.
      4. Apply liquid thread locking adhesive in a strip along half of the length of the external threads, starting at the tip, just prior to installation.
      5. Ensure there are no gaps in the thread locking adhesive once applied to the component. Adhesives, Fluids, Lubricants, and Sealers
    3. Automatic Transmission Flex Plate Bolt (1) - Install NEW [8x] - Fastener Specifications
  55. GM4017624

    {with Manual Transmission}

      NOTE:

      Note the position and direction of the engine flywheel before removal. The flywheel does not use a locating pin for alignment. Mark or scribe the end of the crankshaft and the flywheel before component removal. The existing manual transmission engine flywheel must be installed to the original position and direction.

    1. Install the manual transmission flywheel (1).
    2. If NEW threaded components are being installed, loosen the adhesive using a metal pick or similar tool before proceeding. If threaded components are reused, prepare the threaded components using the following steps:
      1. Remove any loose cured adhesive from the external threads of the components using a lint free cloth.
      2. Thread the cleaned components into the internal mating threads and remove to loosen trapped cured adhesive.
      3. Remove loose debris from internal and external threads using compressed air.
      4. Apply liquid thread locking adhesive in a strip along half of the length of the external threads, starting at the tip, just prior to installation.
      5. Ensure there are no gaps in the thread locking adhesive once applied to the component. Adhesives, Fluids, Lubricants, and Sealers
    3. Flywheel Bolt (2) - Install NEW [8x] - Fastener Specifications
    4. Note the location of the manual transmission flywheel balance weights, if applicable.
  56. GM4017620

    Remove the EN-46106  Flywheel Holding Tool (1).

  57. Timing Chain - Install - Camshaft Timing Chain Component Removal and Installation
  58. GM2202029

    Engine Front Cover (1) - Install - Engine Front Cover Removal and Installation

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