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Home >> Chevrolet >> 2020 >> Malibu LS >> Repair and Diagnosis >> External Pages >> Different car >> Section 18 (Engine Mechanical - 1.5L (LFV)) >> Repair Instructions - On Vehicle >> Cylinder Head Replacement >> Removal Procedure

Removal Procedure

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  1. Drain the engine oil. Engine Oil and Oil Filter Replacement 
  2. Drain the coolant. Cooling System Draining and Filling (GE-47716) , or Cooling System Draining and Filling (Static)
  3. GM5389674Courtesy of GENERAL MOTORS COMPANY

    Engine Wiring Harness Retainer (1) - Unclip [3x]

  4. Engine Wiring Harness (2) - Reposition away
  5. GM5389702Courtesy of GENERAL MOTORS COMPANY

    EN-36857  Engine Lift Bracket (1) @ Cylinder Head - Install

  6. EN-51768  Engine Support Fixture Adapter (2) - Install
  7. GM5387653Courtesy of GENERAL MOTORS COMPANY

    Install the EN-51007  Global Engine Support Fixture (1) as shown.

  8. Camshaft Timing Chain Replacement  - Remove
  9. Intake Manifold Replacement  - Remove
  10. Compressor Air Intake Turbocharger Replacement  - Remove
  11. GM4231531Courtesy of GENERAL MOTORS COMPANY

    Disconnect the fuel feed pipe retainers (1) and pipe (2). Fuel Feed Pipe Replacement (At Tank) , or Fuel Feed Pipe Replacement (Engine to Tank)

  12. Fuel Pump Replacement - Remove
  13. Water Outlet Replacement (LFV) - Remove
  14. GM5389925Courtesy of GENERAL MOTORS COMPANY

    Install the EN-36857  Engine Lift Bracket (1) to the engine block, then install the EN-51768  Engine Support Fixture Adapter (2).

  15. Install the engine support fixture hook (3) to the newly installed EN-36857  Engine Lift Bracket (1).
  16. Remove the engine support fixture hook from the EN-36857  Engine Lift Bracket mounted to the cylinder head.
  17. GM5389702Courtesy of GENERAL MOTORS COMPANY

    EN-51768  Engine Support Fixture Adapter (2) - Remove

  18. EN-36857  Engine Lift Bracket (1) - Remove
  19. GM3989816Courtesy of GENERAL MOTORS COMPANY

    Loosen the cylinder head fasteners in sequence shown.

  20. GM3989633Courtesy of GENERAL MOTORS COMPANY
    NOTE:

    Remove any broken bolts using the EN-38188  Cylinder Head Broken Bolt Extractor Kit.

    Remove and DISCARD the cylinder head bolts. (1) [10x]

  21. GM3988989Courtesy 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.

    Remove the cylinder head. (1)

  22. Remove and DISCARD the cylinder head gasket. (2)
  23. NOTE:

    A nylon bristle brush should be used to clean the bolt holes. 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. Remove any broken cylinder head bolts using the EN-38188  Cylinder Head Broken Bolt Extractor Kit.
  26. If replacing the cylinder head, transfer parts as necessary. Cylinder Head Disassemble 
  27. If reinstalling the cylinder head, clean and inspect as needed. Cylinder Head Cleaning and Inspection 
  28. 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.

    NOTE:
    • When cleaning the engine block 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.
    • Use a gasket scraper to clean the cylinder head and 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.
    • Do not use a tap to clean the cylinder head bolt holes
  29. Clean the mating surfaces at the engine block.