Hyundai Sonata 1991 Shop Manual page 76

VALVES AND VALVE SPRINGS
CAUTION
Do not reuse old valve stem seals.
NOTE
Incorrect installation of seal will adversely affect lip and
eccentricity, resulting in oil leakage down valve guides.
1. Install spring seats.
2. Using special tool (09222-32100), lightly tap seal into
place. Seal is installed in specified position, using special
tool.
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Valve
stem seal
Y20JCOA
INSTALLATION
Spring seat
~~- Stem seal
~~~f=TI~~-
Spring
retainer
Spri
ng_-C"I;=F=f'j~~....J
Enamel~
coated
side
3. Apply engine oil to each valve. Insert valves into guides.
Avoid insertion valve into seal with excessive force.
After insertion, check to see if valve moves smoothly.
4. Valve springs should be installed with the enamel coated
side toward the valve spring retainer.
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5. Using special tool
(09222-21001),
or suitable tool, com-
press spring and install retainer lock. After installation of
valves, make certain that retainer locks are positively
installed.
CAUTION
When spring is compressed with Valve Spring Compressor
or suitable tool, check to see that valve stem seal is not
pressed against the bottom of retainer.
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6. To install the jet valve assembly, apply engine oil to the
O-ring, jet body threads and seat surface.
CAUTION
Be sure to use a new o-ring.
Apply engine oil
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