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Home >> Hyundai >> 2018 >> Tucson Sport, 4WD >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Engine Cooling System - 1.6L) >> 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.
    G12608766Courtesy of HYUNDAI MOTOR AMERICA
  2. Check the valve opening temperature.

    Valve opening temperature: 

    82 ± 1.5°C (179.6 ± 2.7°F)

    Full opening temperature: 

    95°C (203°F)

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

  3. Check the valve lift.

    Valve lift: 

    8 mm (0.3 in) or more at 95°C (203°F)

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