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

ENGINE COOLANT TEMPERATURE (ECT) SENSOR







Removal and Installation
1. Drain the engine cooling system.







2. CAUTION: The brake aspirator tube must be fully seated in the air cleaner outlet pipe or a vacuum leak will occur.

Disconnect the positive crankcase ventilation (PCV) and brake aspirator tubes from the air cleaner outlet pipe.

3. Disconnect the mass air flow (MAF) sensor electrical connector.
4. Loosen the air cleaner outlet tube clamp at the electronic throttle body.
- To install, tighten to 5 Nm (44 lb-in).

5. NOTE: No tools are needed to remove or install the air cleaner housing. Removal or installation should be carried out using hands only.

Remove the air cleaner housing cover and outlet tube assembly.

6. Disconnect the engine coolant temperature (ECT) sensor electrical connector.
7. Remove the hairpin clip and the ECT sensor.
8. To install, reverse the removal procedure.
- Use the alignment notches to correctly align the air cleaner housing cover to the air cleaner tray.
- Lubricate the O-ring seal with clean engine coolant.