Remove spark plugs.
Release the valves from crackers by compressing the valve springs with a tool.
Remove the spring plates, springs, exhaust valve rotators and intake valve spring washers.
Remove oil seals from guide bushings.
Note. When installing new slinger caps, put a guide cap on the valve stem, and then insert the slinger cap.
Check clearance between valve guide bushings and valve stems and, if necessary, replace valves by reaming holes in guide bushings to the nearest repair size (see subsection «Design and specifications»).
Check the condition of the valve seats and valve faces and grind them if necessary.
Check the warping of the mating surface of the cylinder head and, if necessary, grind it, observing the height of the cylinder head and the volume of the combustion chambers specified in subsection «Design and specifications».
Assemble the head in the reverse order of disassembly.
Cylinder block and cylinder head:
A - engines «13N», «13S», «14NV»;
B - engines «16S», «16SV», «C16NZ»;
B - engines «18E», «18SE «;
G - engines «20NE», «C20NE», «20SEH».
1 - cylinder block;
2 - flywheel;
3 - cylinder head gasket;
4 - cylinder head;
5 - camshaft bearing housing.
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