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Home >> Hyundai >> 2018 >> Tucson Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 8 (Engine Cooling System - 2.0L) >> Thermostat >> Repair Procedures >> Inspection

Repair Procedures: Inspection

WARNING: This page is about a different variant/trim than selected.
  1. Immerse the thermostat in water and gradually heat the water.
    G12610624Courtesy 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 ± 2.7°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)