Daewoo Nubira User Manual page 465

1C – 70IDOHC ENGINE MECHANICAL
28. Compress the valve springs with the valve spring
compressor KM–348 and the adapter KM–653.
29. Remove the valve retainers.
30. Remove the valve spring compressor KM–348 and
the adapter KM–653.
31. Remove the valve spring caps.
32. Remove the valve springs. Maintain the original
position of the valve springs for installation.
33. Remove the valves. Maintain the original position of
the valves for installation.
34. Remove the valve stem seals.
Cylinder Head Inspection
1. Clean the sealing surfaces.
2. Inspect the cylinder head gasket and mating sur-
faces for leaks, corrosion and blow–by.
3. Inspect the cylinder head for cracks.
4. Inspect the length and width of the cylinder head
using a feeler gauge and a straight edge.
5. Check the sealing surfaces for deformation and
warpage. The cylinder head sealing surfaces must
be flat within 0.025 mm (0.001 inch) maximum.
DAEWOO V–121 BL4