Repair Procedures: Inspection

Inspect the CVVT assembly.
1. Check that the CVVT assembly will not turn.
2. Apply vinyl tape to the retard hole except the one indicated by the arrow in the illustration.
  [Intake]
  
  Fig 1: Locating CVVT Assembly Retard Hole (Intake)
  Courtesy of HYUNDAI MOTOR AMERICA
  
  [Exhaust]
  
  Fig 2: Locating CVVT Assembly Retard Hole (Exhaust)
  Courtesy of HYUNDAI MOTOR AMERICA
3. Wrap tape around the tip of the air gun and apply air of approx. 150 kpa (1.5 kgf/cm² , 21 psi) to the port of the camshaft.
  (Perform this in order to release the lock pin for the maximum delay angle locking.)
  
  NOTE: When the oil splashes, wipe it off with a shop rag.
4. Under the condition of (3), turn the CVVT assembly to the advance angle side (the arrow marked direction in the illustration) with your hand.
  Depending on the air pressure, the CVVT assembly will turn to the advance side without applying force by hand.
  
  Fig 3: Turning CVVT Assembly To Advance Angle Side
  Courtesy of HYUNDAI MOTOR AMERICA
5. Except the position where the lock pin meets at the maximum delay angle, let the CVVT assembly turn back and forth and check the movable range and that there is no interference.
  Standard: Movable smoothly in the range about 25°
6. Turn the CVVT assembly with your hand and lock it at the maximum delay angle position (clockwise).