Operation CHARM: Car repair manuals for everyone.

Thermostat, Engine Cooling

THERMOSTAT INSPECTION
1. 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.