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

Remove
1. Disconnect battery negative lead.







2. Remove spring clip and disconnect ECT sensor multiplug.
3. Position cloth around ECT sensor to absorb coolant spillage.
4. Remove ECT sensor.
5. Remove sealing washer and discard.

Refit
6. Clean sealing washer, sensor threads and sensor location.
7. Coat sensor threads with Loctite 577 and fit new sealing washer.
8. Fit ECT sensor. Tighten to 20 Nm.
9. Fit spring clip to multiplug and connect multiplug to ECT sensor.
10. Top up cooling system.
11. Run engine to normal operating temperature. Check for leaks around ECT sensor.