Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Thermostat: Testing and Inspection

THERMOSTAT INSPECTION [L3, AJ]
1. Visually inspect that the thermostat valve is closed.
2. Place the thermostat and a thermometer in water.

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


3. Heat the water and inspect the following.
^ If not as specified, replace the thermostat.