Inspection & Repair: Notes

1. Remove scale, sealing compound and carbon deposits completely. After cleaning oil passages, apply compressed air to make certain that the passages are not clogged.
2. Visually check the cylinder head for cracks, damage or water leakage.
3. Check the cylinder head gasket surface for flatness with a straight edge and feeler as shown in illustration.
   Fig 1: Checking Cylinder Head Gasket Surface For Flatness With Straight Edge & Feeler

   Courtesy of KIA MOTORS AMERICA, INC.

Flatness of cylinder head gasket:

Standard dimension:

0.03 mm (0.0012 in) or lower.

Service limit: 0.2 mm (0.0079 in).