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Home >> Kia >> 2007 >> Rio Base, Automatic >> Repair and Diagnosis >> Engine Mechanical >> Lubrication System >> Engine Overhaul >> Engine Block >> Inspection >> Cylinder Block

Cylinder Block

  1. Remove the gasket material.

    Using a gasket scraper, remove all the gasket material from the top surface of the cylinder block.

  2. Clean the cylinder block

    Using a soft brush and solvent, thoroughly clean the cylinder block.

  3. Inspect the top surface of cylinder block for flatness. Using a precision straight edge and feeler gauge, measure the surface contacting the cylinder head gasket for warpage.

    Flatness of cylinder block gasket surface

    Standard: Less than 0.05mm (0.0020in)

    Fig 1: Measuring Surface Contacting Cylinder Head Gasket For Warpage
    G04803618Courtesy of KIA MOTORS AMERICA, INC.
  4. Inspect the cylinder bore.

    Visually check the cylinder for vertical scratches.

    If deep scratches are present, replace the cylinder block.

  5. Inspect the cylinder bore diameter.

    Using a cylinder bore gauge, measure the cylinder bore diameter at position in the thrust and axial direction.

    Standard diameter:

    1.6 CVVT: 76.50~76.53mm (3.0118~3.0130in)

    1.4 DOHC: 75.50~75.53mm (2.9724~2.9736in)

    Fig 2: Measuring Cylinder Bore Diameter At Position In Thrust And Axial Direction
    G04803619Courtesy of KIA MOTORS AMERICA, INC.
  6. Check the cylinder bore size code on the cylinder block bottom face.
    Fig 3: Identifying Cylinder Bore Size Code On Cylinder Block Bottom Face
    G04861806Courtesy of KIA MOTORS AMERICA, INC.
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