Aveo 2004-2005

Valve Covers

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Removal & Installation



  1. Disconnect the negative battery cable.
  2.  
  3. Remove the engine cover bolts and cover.
  4.  
  5. Disconnect the breather tube from the valve cover.
  6.  
  7. Disconnect the crankcase ventilation tube from the valve cover.
  8.  
  9. Disconnect the camshaft position (CMP) sensor connect.
  10.  
  11. Disconnect all of the necessary vacuum lines.
  12.  
  13. Disconnect the ignition wires from the spark plugs.
  14.  
  15. Remove the valve cover bolts.
  16.  
  17. Remove the valve cover
  18.  
  19. Remove the valve cover gasket from the valve cover.
  20.  
  21. Apply a small amount of gasket sealant to the corners of the front camshaft caps and the top of the rear valve cover to cylinder head seal.

    Click image to see an enlarged view

    Fig. Removal and installation of the valve cover

  22.  

To install:

  1. Install the new valve cover gasket to the valve cover.
  2.  
  3. Install the valve cover.
  4.  
  5. Install the valve cover bolts.
  6.  
  7. Tighten the valve cover bolts to 89 inch lbs. (10 Nm).
  8.  
  9. Connect the ignition wires from the spark plugs.
  10.  
  11. Connect all of the necessary vacuum lines.
  12.  
  13. Connect the CMP sensor connector

    Click image to see an enlarged view

    Fig. Connect the CMP sensor connector

  14.  
  15. Connect the crankcase ventilation tube to the valve cover
  16.  
  17. Connect the breather tube from the valve cover
  18.  
  19. Install the spark plug cover.
  20.  
  21. Install the spark plug cover bolts.
  22.  
  23. Tighten the engine cover bolts to 27 inch lbs. (3 Nm).
  24.  
  25. Connect the negative battery cable
  26.  

  1. Disconnect the negative battery cable.
  2.  
  3. Remove the engine cover bolts and cover.
  4.  
  5. Disconnect the breather tube from the valve cover.
  6.  
  7. Disconnect the crankcase ventilation tube from the valve cover.
  8.  
  9. Disconnect the camshaft position (CMP) sensor connect.
  10.  
  11. Disconnect all of the necessary vacuum lines.
  12.  
  13. Disconnect the ignition wires from the spark plugs.
  14.  
  15. Remove the valve cover bolts.
  16.  
  17. Remove the valve cover
  18.  
  19. Remove the valve cover gasket from the valve cover.

    Click image to see an enlarged view

    Fig. Removal and installation of the valve cover

  20.  

To install:

  1. Apply a small amount of gasket sealant to the corners of the front camshaft caps and the top of the rear valve cover to cylinder head seal.
  2.  
  3. Install the new valve cover gasket to the valve cover.
  4.  
  5. Install the valve cover.
  6.  
  7. Install the valve cover bolts.
  8.  
  9. Tighten the valve cover bolts to 89 inch lbs. (10 Nm).
  10.  
  11. Connect the ignition wires from the spark plugs.
  12.  
  13. Connect all of the necessary vacuum lines.
  14.  
  15. Connect the CMP sensor connector

    Click image to see an enlarged view

    Fig. Connect the CMP sensor connector

  16.  
  17. Connect the crankcase ventilation tube to the valve cover
  18.  
  19. Connect the breather tube from the valve cover
  20.  
  21. Install the spark plug cover.
  22.  
  23. Install the spark plug cover bolts.
  24.  
  25. Tighten the engine cover bolts to 27 inch lbs. (3 Nm).
  26.  
  27. Connect the negative battery cable
  28.  

 
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