Sonata GL V6-2.5L (1999)
2. Run the engine at idle and put a finger on the open end of the PCV valve and make sure that intake manifold vacuum is felt.
NOTE: The plunger inside the PCV valve will move back and forth.
3. If vacuum is not felt, clean the PCV valve and ventilation hose in cleaning solvent, or replace if necessary.
INSTALLATION
Install the positive crankcase ventilation valve and tighten to the specified torque.
Tightening torque: PCV valve 8-12 Nm (80-120 kg.cm, 6-8 lb.ft)
