Thermostat Inspection [MZI-3.7]

WARNING: This page is about a different car, the 2009 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.

Inspect the thermostat for the following
WARNING:
- During inspection, the thermostat and water are extremely hot and can cause severe burns. Do not touch the thermostat and water.
- The valve should not open under normal temperature.
- Opening temperature and valve lift
  - If there is a malfunction, replace the thermostat
    Thermostat initial-opening temperature
    
    79.5-83.3°C {176-181°F}
    
    Thermostat full-open temperature
    
    94.5°C {202°F}
    
    Thermostat full-open lift
    
    More than 8.1 mm {0.32 in}