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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5
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THERMOSTAT INSPECTION [SKYACTIV-G 2.0]

1. Remove the thermostat. (See THERMOSTAT REMOVAL/INSTALLATION [SKYACTIV-G 2.0].)
2. Visually check that the thermostat valve is closed.
3. Place the thermostat in water.

WARNING:

  • During inspection, the thermostat and water are extremely hot and can cause severe burns. Do not touch the thermostat and water.

4. Heat the water and check the following:

  • Opening temperature and valve lift

    • If there is a malfunction, replace the thermostat.

    Thermostat initial-opening temperature

  • 86.5—89.5 °C {188—193 °F}

    Thermostat full-open temperature

  • TypeA : 95 °C {203 °F}

  • TypeB : 100 °C {212 °F}

    Thermostat full-open lift

  • TypeA : 8.5—11 mm {0.34—0.43 in}

  • TypeB : 8.5 mm {0.33 in} or more

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Free to use workshop manual for your 2015+ Mk4 'ND' Mazda MX-5

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