Repair Procedures: Inspection

WARNING: This page is about a different car, the 2014 Hyundai Veloster and 2013 Hyundai Veloster. However, it is still accessible from the selected car via links, so may be relevant.

Check the plated parts of the disc & hub assembly (A) for color changes, peeling or other damage. If there is damage, replace the clutch set.
Check the pulley (B) bearing play and drag by rotating the pulley by hand. Replace the clutch set with a new one if it is noisy or has excessive play/drag.

Fig 1: Checking Plated Parts Of Disc & Hub Assembly And Pulley Bearing Play And Drag
Courtesy of HYUNDAI MOTOR AMERICA
Check operation of the magnetic clutch. Connect the compressor side terminals to the battery (+) terminal and the ground battery (-) terminal to the compressor body. Check the magnetic clutch operating noise to determine the condition.
1. Do not spill the refrigerant oil on the vehicle; it may damage the paint; if the refrigerant oil contacts the paint, wash it off immediately.
2. Adjust the drive belt
3. Charge the system and test its performance.
  
  Fig 2: Charging System Using Battery
  Courtesy of HYUNDAI MOTOR AMERICA