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, Engine Cooling

Standard Valve Opening Temperature 80 to 84°C (176 to 183°F)
Standard Valve Lift 10 mm (0.394 in) or more at 95°C (203°F).
Fully Closed below 77°C (171°F).