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

ENGINE COOLANT TEMPERATURE (ECT) SENSOR







Removal

1. CAUTION: Make sure the ignition switch is in the OFF position prior to working on the electronic engine controls.

Turn the ignition switch to the OFF position.

2. Drain the engine cooling system.







3. Remove the retainers and the air deflector.







4. Remove the power steering reservoir bracket retainers.







5. Remove the power steering fluid indicator and retainers. Remove the power steering reservoir bracket. Install the power steering indicator and position aside.







6. Disconnect the coolant hoses from the air cleaner outlet pipe.







7. NOTE: Air cleaner side shown, engine side similar.

Loosen the clamps and remove the air cleaner outlet pipe.







8. NOTE: If there is any oil residue, clean both connecting ports and the inside surface of the charge air cooler pipe to prevent the pipe from blowing off.

Loosen the clamps and remove the charge air cooler (CAC) pipe.

9. Disconnect the engine coolant temperature (ECT) electrical connector.
10. Remove the ECT sensor and discard the O-ring seal.

Installation

1. NOTE: Apply clean engine oil to the new O-ring seal prior to installation.

Using a new O-ring seal, install the ECT sensor.
- Tighten to 18 Nm (13 lb-ft).

2. Connect the ECT sensor electrical connector.







3. Position the CAC pipe and tighten the clamps.
- Tighten to 12 Nm (9 lb-ft).







4. NOTE: Air cleaner side shown, engine side similar.

Position the air cleaner outlet pipe and tighten the clamps.







5. Connect the coolant hoses to the air cleaner outlet pipe.







6. Position the power steering reservoir bracket and install the power steering fluid indicator and the retainers.







7. Install the power steering reservoir bracket retainers.







8. Position the air deflector and install the retainers.
9. Fill and bleed the engine cooling system.