Method for Adjusting Valve Clearance on Sonata

1 Answers
GriffinDella
07/29/25 9:50am
Method for adjusting valve clearance on Sonata is introduced as follows: 1. Rotate the crankshaft to align the timing mark on the pulley with the reference line: This indicates the completion of the compression stroke for cylinder 1 or 4. If it's cylinder 1, you can adjust the valve clearance for valves 1, 2, 4, and 6, counting from the front of the engine. 2. Insert a feeler gauge of the specified thickness between the valve stem and rocker arm: Pull it back and forth gently. When you feel slight resistance, the thickness is just right. 3. Loosen the lock nut during adjustment: Turn the adjusting screw, insert the feeler gauge into the gap, and pull it back and forth. If you feel resistance, the clearance is correct. Secure the adjusting screw and recheck once. If the clearance changes, readjust. 4. After adjusting the valves, rotate the crankshaft one more turn: Align the mark on the flywheel again with the reference line on the flywheel housing window.
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