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Removal Procedure

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Special Tools

Equivalent regional tools: Special Tools 

  1. Cooling System Draining and Filling (Static) , or Cooling System Draining and Filling (GE 47716) - Drain
  2. GM4244908Courtesy of GENERAL MOTORS COMPANY

    Camshaft Cover (2) - Remove - Camshaft Cover Replacement 

  3. Fuel Pump Replacement - Remove
  4. Intake Manifold Replacement  - Remove
  5. Exhaust Manifold Replacement (LTG) - Remove
  6. GM4848480Courtesy of GENERAL MOTORS COMPANY

    Engine Front Cover (8) - Remove - Engine Front Cover Replacement 

  7. Camshaft Position Actuator and Camshaft Replacement - Intake  - Remove
  8. Camshaft Position Actuator and Camshaft Replacement - Exhaust  - Remove
  9. GM5240650Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @Exhaust Camshaft Position Sensor (2) - Disconnect

  10. GM5240659Courtesy of GENERAL MOTORS COMPANY

    Electrical Connector (1) @Intake Camshaft Position Sensor (2) - Disconnect

  11. Disconnect all of the hoses from the water outlet. Water Outlet Replacement (LTG)
  12. GM5240741Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Clip Bracket Bolt (1) - Remove

  13. Ground Cable (2) - Reposition away
  14. GM3789765Courtesy of GENERAL MOTORS COMPANY

    Install the EN-36857  Engine Lift Bracket (2) and fastener (1) into the engine block.

  15. NOTE:

    Support the engine as necessary from underneath while repositioning the engine support fixture.

  16. Reposition the engine support fixture lift hook from the engine lift bracket (3) to the EN-36857  Engine Lift Bracket (2)
  17. GM2726776Courtesy of GENERAL MOTORS COMPANY

    Cylinder Head Bolt - Remove and DISCARD

  18. GM2726774Courtesy of GENERAL MOTORS COMPANY
    CAUTION:

    In order to prevent damage to the valves and injectors during cylinder head removal, set the cylinder head on blocks.

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

  19. Cylinder Head (2) - Remove
  20. Cylinder Head Gasket (3) - Remove and DISCARD
  21. Replace or transfer locating pins as necessary.
  22. Use the following procedures when cleaning the cylinder head and cylinder block surfaces:
    • Be careful not to gouge or scratch the gasket surfaces. Do not gouge or scrape the combustion chamber surfaces. The feel of the gasket surface is important, not the appearance. There will be indentations from the gasket left in the cylinder head after all of the gasket material is removed. These small indentations will be filled in by the new gasket.
    • Use a gasket scraper to clean the cylinder head and cylinder block gasket surfaces. Do not scratch or gouge any surface.
    • Do not use any other method or technique to clean these gasket surfaces.
  23. NOTE:

    Do not use a tap to clean the cylinder head bolt holes.

  24. Clean the old sealer/lube and dirt from the bolt holes.
  25. Clean the bolt holes with a nylon bristle brush.
  26. WARNING:

    Wear safety glasses to avoid injury when using compressed air or any cleaning solvent. Bodily injury may occur if fumes are inhaled or if skin is exposed to chemicals.

  27. When cleaning the cylinder head bolt holes use a suitable commercial spray liquid solvent and compressed air from an extended-tip blow gun to reach the bottom of the holes.
  28. Remove any broken long cylinder head bolts using the EN 38188  kit.
  29. If replacing the cylinder head, transfer all parts as necessary. Cylinder Head Disassemble 
  30. Cylinder Head - Clean and inspect - Cylinder Head Cleaning and Inspection