Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSFORD1999EXPLORER 4WD V6-4.0L VIN EREPAIR AND DIAGNOSISPOWERTRAIN MANAGEMENTCOMPUTERS AND CONTROL SYSTEMSCOOLANT TEMPERATURE SENSOR/SWITCH (FOR COMPUTER)SERVICE AND REPAIR
1999 Ford Explorer 4WD V6-4.0L VIN E
Coolant Temperature Sensor/Switch (For Computer): Service and Repair
1999 Ford Explorer 4WD V6-4.0L VIN ESECTION Service and Repair
REMOVAL
1. Disconnect the battery ground cable.
2. Partially drain the cooling system.
3. Remove the Engine Coolant Temperature (ECT) sensor.
1 Remove the ECT sensor electrical connector.
2 Remove the ECT sensor.
INSTALLATION
1. Install the ECT sensor.
^ Install the ECT sensor.
^ Connect the ECT electrical connector.
2. Fill the cooling system.
3. Connect the battery ground cable.
1. Disconnect the battery ground cable.
2. Partially drain the cooling system.
3. Remove the Engine Coolant Temperature (ECT) sensor.
1 Remove the ECT sensor electrical connector.
2 Remove the ECT sensor.
INSTALLATION
1. Install the ECT sensor.
^ Install the ECT sensor.
^ Connect the ECT electrical connector.
2. Fill the cooling system.
3. Connect the battery ground cable.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.