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

Coolant Temperature Sensor/Switch (For Computer): Service and Repair

ENGINE COOLANT TEMPERATURE SENSOR REMOVAL / INSTALLATION - 4.0L

1. Disconnect battery.
2. Partially drain the cooling system. See ENGINE COOLANT REPLACEMENT - 4.0L.
3. Disconnect engine coolant temperature (ECT) sensor connector.
4. Remove the clip and the ETC sensor. Discard the O-ring seal.
5. To install, reverse the removal procedure.
- Install a new O-ring seal.