10473381

1.

Check the cylinder head for cracks, damage and coolant leakage.

2.

Remove scale, sealing compound and carbon deposits completely. After cleaning oil passages, apply compressed aor to make certain that the passages are not clogged.

3.

Check the cylinder head surface for flatness using a straight edge in the direction of A, B, ...as shown.

If flatness exceeds service limit in any direction, replace the cylinder head, or lightly machine the cylinder head surface.

Cylinder head flatness

Standard value

1.3 L : Less than 0.03 mm (0.012 in.)

1.1 L : Less tha 0.05 mm (0.002 in.)

Limit

1.3 L : 0.08 mm (0.0031 in.)

1.1 L : 0.1 mm (0.004 in.)