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Home >> Cadillac >> 2021 >> CT4 Sport, RWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 366 (Engine Mechanical - 6.2L (LT4) - Repair Instructions) >> Repair Instructions >> Cylinder Head Replacement - Left 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 1 - Remove - Fuel Injection Fuel Rail Assembly Replacement - Bank 1
  7. Remove the valve rocker arms and push rods. Valve Rocker Arm and Push Rod Replacement 
  8. GM5868321Courtesy of GENERAL MOTORS COMPANY

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

  9. GM5875794Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Bolt (1) - Remove [2x]

  10. Engine Wiring Harness (2) - Reposition [2x]
  11. GM5874914Courtesy 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 - M12 x 102 (1) - Remove and DISCARD

  12. Cylinder Head Bolt - M12 x 134 (2) - Remove and DISCARD [9x]
  13. Cylinder Head (3) - Remove
  14. Cylinder Head Gasket (4) - Remove and DISCARD
  15. Clean, inspect and overhaul the cylinder head as needed. Cylinder Head Overhaul