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




Thermostat Opening Temperatures

Starts to open (4.0L) 90-94°C (194-201°F)
Fully Open (4.0L) 106°C (223°F)

Starts to open (4.6L) 86.7-90.63°C (188-195°F)
Fully Open (4.6L) 98.7-101.7°C (208-215°F)

Starts to open (5.4L) 80-84°C (176-184°F)
Fully Open (5.4L) 95°C (203°F)