FixVault

Repair procedures: Inspection

WARNING: This page is about a different car, the 2013 Hyundai Elantra GT. However, it is still accessible from the selected car via links, so may be relevant.
  1. Immerse the thermostat in water and gradually heat the water.
    Fig 1: Checking Thermostat
    G09885608Courtesy of HYUNDAI MOTOR AMERICA
  2. Check the valve opening temperature.

    If the valve opening temperature is not as specified, replace the thermostat.

    Valve opening temperature: 

    88 ± 1.5°C (190.4 ± 34.7°F)

    Full opening temperature:  100°C (212°F)

  3. Check the valve lift.

    If the valve lift is not as specified, replace the thermostat.

    Valve lift:  8 mm (0.3 in.) or more at 100°C (212°F)