Hyundai Sonata 1991 Shop Manual page 21

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MAINTENANCE SERVICE
7.
Check that valve clearance indicated in the diagram is at the
standard value.
Exhaust
Jet valve clearance
Hot engine
0.25 mm (O.OO98 in.)
Cold engine
0.17 mm (O.OO67 in.)
8.
If valve clearance is off the standard value, loosen rocker arm
adjusting screw locking nut. Use feeler gauge and adjust
valve clearance by turning adjusting screw.
9.
Secure rocker arm adjusting screw with screw driver so that
it will not rotate and tighten locking nut.
No.1
No.2 No.3
No.4
Intake
10. Rotate the crankshaft one complete turn clockwise (360
degree).
11. Check that valve clearance indicated in the diagram is at the
standard value.
12. Repeat steps. 8. and 9. to adjust the valve clearance of
remaining valves.
.Exhaust
No. 1
No.2
No.3
No.4
Intake
13. Apply a coating of the sealant to the places on the
semi-circular packing shown by arrows in the figure.
14. Install the timing belt front upper cover.
15. Install the rocker cover.
16. Install the air intake hose and air intake pipe.
Cylinder
head
Apply a coating of
specified sealant
10-9

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