Hyundai 20G-7, Руководство по обслуживанию

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CYLINDER HEAD ASSEMBLY
2-75
VALVE GUIDE REPLACEMENT
Because the valve guide is press-fitted, replace the valve guide
as the following procedures using a valve guide installer or
proper tool.
1. Remove the valve guide pressed toward cylinder block us-
ing a push rod of valve guide installer.
2. Cut the valve guide insert bore of the cylinder head to the
valve guide oversize.
3. Press-fit the valve guide using a valve guide installer or
proper tool. When using a valve guide installer, Use a valve
guide installer to press-fit the valve guide to the specified
height.
4. When installing, start from top of valve guide cylinder head.
Be sure that the intake valve guide is not same size with
the exhaust valve guide. (Intake valve guide : 46.0mm, ex-
haust valve guide : 54.5mm)
5. After installing the valve guide, insert a new valve and check
for perturbation.
6. When replacing the valve guide, check the valve for con-
tact and correct the valve seat if necessary.
Size
0.05 OS
0.25 OS
0.50 OS
Cylinder head bore size
11.05 ~ 11.068mm
11.25 ~ 11.268mm
11.50 ~ 11.518mm
Valve guide oversize
Size mark
5
25
50
09221-3F100A
09221-3F100B
L4GC119A