(for vehicles equipped with SOHC engines)
Warning:
- 1) Before starting this adjustment, the cylinder head bolts should be tightened.
- 2) If the clearance of the jet valve is not satisfactory, it will not only affect the exhaust gas composition, but may also cause engine malfunction. Therefore, it is important to accurately perform the adjustment as described below.
1. Start the engine and let it warm up until the coolant temperature reaches 80-95°C
2. Check the ignition timing and idle speed, adjusting them if necessary.
3. Remove the valve cover.
4. Remove the front upper cover of the camshaft drive toothed belt.
5. Turn the crankshaft clockwise and align the mark on the camshaft sprocket.
6. Make sure that the valve clearance shown in the diagram is the standard value.

7. If the valve clearance is within the standard value, loosen the lock nut of the rocker arm adjusting screw. Using a feeler gauge, adjust the valve clearance by turning the adjusting screw.
(The original version is stored on the website: www.HyundaiBook.ru)
8. Without allowing the rocker arm adjusting screw to turn, tighten the lock nut using a screwdriver.
9. Turn the crankshaft clockwise one revolution (360°).
10. Make sure that the valve clearance shown in the diagram is the standard value.
11. Repeat steps 8 and 9 to adjust the clearance of the remaining valves.

12. Apply a layer of sealant to the semicircular sealing areas indicated by the arrows in the figure.
13. Install the front upper timing belt cover.
14. Replace the valve cover.
15. Install the air hose and air tube.

