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Home >> Cadillac >> 2021 >> CT4 Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different car >> Section 366 (Engine Mechanical - 6.2L (LT4) - Repair Instructions) >> Repair Instructions >> Cylinder Head Replacement - Right Side >> Removal Procedure

Removal 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. Disconnect the battery negative cable. Battery Negative Cable Disconnection and Connection
  2. Drain the cooling system. Cooling System Draining and Filling (LT4 Static Fill) , or Cooling System Draining and Filling (LT4 GE 47716)
  3. Drain the charge air cooling system. Charge Air Cooling System Draining and Filling (LT4)
  4. GM4545764Courtesy of GENERAL MOTORS COMPANY

    Supercharger Belt Tensioner Bracket (3) - Remove - Supercharger Belt Tensioner Bracket Replacement 

  5. Remove the compressor air intake supercharger. Compressor Air Intake Supercharger and Gasket Replacement 
  6. Fuel Injection Fuel Rail Assembly-Bank 2 - Remove - Fuel Injection Fuel Rail Assembly Replacement - Bank 2
  7. Engine Coolant Manifold - Remove - Engine Coolant Manifold Replacement (LT4)
  8. Remove the valve rocker arms and push rods. Valve Rocker Arm and Push Rod Replacement 
  9. GM5868321Courtesy of GENERAL MOTORS COMPANY

    Exhaust Manifold (1) - Remove - Exhaust Manifold Replacement - Right Side (LT4)

  10. GM5877702Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Retainer (1) - Remove

  11. Engine Wiring Harness (2) - Reposition
  12. GM5876846Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    After removal, place the cylinder head on 2 wood blocks in order to prevent damage to the sealing surfaces.

    Cylinder Head Bolt (1) - Remove and DISCARD [10x]

  13. Cylinder Head (2) - Remove
  14. Cylinder Head Gasket (3) - Remove and DISCARD
  15. Clean, inspect and overhaul the cylinder head as needed. Cylinder Head Overhaul