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

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



Engine Coolant Temperature Sensor Replacement

Removal Procedure

1. Open the hood.
2. Raise the vehicle by its full height.




3. Drain the coolant.

* Place a drain pan underneath.
* Install a suitable hose to the drain connection (2).
* Open the coolant drain screw (1).
* Drain the coolant.
* Close the coolant drain screw.

4. Lower the vehicle by its full height.




5. Remove the coolant temperature sensor.

* Disconnect the wiring harness plug (2).
* Disconnect the retaining clamp (1).




Installation Procedure

1. Install the coolant temperature sensor.

* Lock the retaining clamp.
* Install the wiring harness plug.

2. Fill and bleed the cooling system. Refer to Cooling System Draining and Filling (Service and Repair) .
3. Close the hood.