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Home >> Hyundai >> 2018 >> Kona Limited, FWD >> Repair and Diagnosis >> External Pages >> Different car >> Section 348 (Engine Cooling System - 2.0L) >> Thermostat (ECT) >> Repair Procedures >> Inspection >> Thermostat

Repair Procedures: Inspection: Thermostat

WARNING: This page is about a different car, the 2023 Kia Seltos. However, it is still accessible from the selected car via links, so may be relevant.
  1. Immerse thermostat in water heated to over 95°C (203°F), then heat for at least 3 minutes to check valve lift.
    G13482557Courtesy of KIA MOTORS AMERICA, INC.
    NOTE:
    • Do not use water below 95°C (203°F).
    • Do not directly heat unit as this will damage thermostat.
  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 115°C (239°F)