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

Engine coolant temperature sensor (ECT)

Special tools:
951 2957 Coolant Reservoir 951 2957 Coolant Reservoir
951 2955 Cover 951 2955 Cover

Note! The illustrations in this service information are used for different model years and/or models. Some variation may occur. However, the essential information in the illustrations is always correct.

Preparatory work

Draining coolant
Raise the vehicle. Remove the splash guard under the engine. Open the engine nipple.
Drain the coolant into a container. Close the nipple.
Install the splashguard under the engine. Lower the car.

Removing components
Remove the air cleaner (ACL) module. Service and Repair

Removal

Removing the engine coolant temperature (ECT) sensor




Disconnect the temperature sensor connector. Pull the retaining clip straight out. Pull up the temperature sensor.

Installation

Installing the engine coolant temperature sensor

Install:
- new sealing ring
- the temperature sensor
- the retaining clip. Connect the connector for the temperature sensor.

Finishing

Installing components
Install the air cleaner (ACL) module. Service and Repair

Checks
Top up with coolant. Use filling equipment: 951 2957 Coolant Reservoir 951 2957 Coolant Reservoir and cover: 951 2955 Cover 951 2955 Cover.
Test drive the engine. Check for any leakage.