Operation CHARM: Car repair manuals for everyone.

Thermostat: Testing and Inspection

THERMOSTAT INSPECTION
1. Inspect the thermostat for the following.

Warning: During inspection, the thermostat and water are extremely hot and they can cause burns. Do not touch the thermostat and water.





- The valve should not open under normal temperature.
- Opening temperature and valve lift
- If there is malfunction, replace the thermostat.