Inspection [09/2022 - ]: Procedure
WARNING: This page is about a different car, the 2025 Toyota GR Corolla, 2024 Toyota GR Corolla, and 2023 Toyota GR Corolla. However, it is still accessible from the selected car via links, so may be relevant.
- INSPECT WATER INLET WITH THERMOSTAT SUB-ASSEMBLY WARNING:
- Do not put your hands into the water that has been heated for the inspection.
- Touching the heated water could result in burns.
HINT:
The valve opening temperature is inscribed on the water inlet with thermostat sub-assembly.
- Immerse the water inlet with thermostat sub-assembly in water and then gradually heat the water.
- Check that the valve of the water inlet with thermostat sub-assembly opens at the specified temperature.
Standard Valve Opening Temperature
80 to 84°C (176 to 183°F)
If the result is not as specified, replace the water inlet with thermostat sub-assembly.
- Check the valve lift.
*a Valve Lift Standard Valve Lift
8.0 mm (0.315 in.) or more at 95°C (203°F)
If the result is not as specified, replace the water inlet with thermostat sub-assembly.
- Check that the valve is fully closed when the water inlet with thermostat sub-assembly is at low temperatures (below 77°C (171°F)).
If it is not fully closed, replace the water inlet with thermostat sub-assembly.