Repair Procedures: Inspection: Notes

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 the cylinder block for flatness.

   Using a precision straight edge and feeler gauge, measure the warpage of the surface contacting with the cylinder head gasket.

   Flatness Of Valve Clearance Inspection And Adjustment Block Gasket Surface 

   Standard: Less than 0.05 mm (0.0020 in.),

   Less than 0.02 mm (0.0008 in.)/150x150

   Fig 1: Checking Flatness Of Valve Clearance Inspection & Adjustment Block Gasket Surface

   Courtesy of KIA MOTORS AMERICA, INC.
4. Inspect cylinder bore diameter

   Visually check the cylinder for vertical scratches.

   If deep scratches are present, replace the cylinder block.

5. Inspect cylinder bore diameter

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

   Standard diameter:  92.00 ~ 92.03 mm (3.6220 ~ 3.6232 in.)

   Fig 2: Measuring Cylinder Bore Diameter

   Courtesy of KIA MOTORS AMERICA, INC.
6. Check the cylinder bore size code on the cylinder block.
   Fig 3: Cylinder Bore Size Code On Cylinder Block

   Courtesy of KIA MOTORS AMERICA, INC.

   Class	Size code	Cylinder bore inner diameter
   A	A	92.00 ~ 92.01 mm (3.6220 ~ 3.6224in.)
   B	B	92.01 ~ 92.02 mm (3.6224 ~ 3.6228in.)
   C	C	92.02 ~ 92.03 mm (3.6228 ~ 3.6232in.)