Engine - Coolant Temperature Sensor/Switch: Service and Repair
ENGINE COOLANT TEMP SENSORREMOVAL
WARNING: Risk of injury to skin and eyes from scalding with hot coolant. Risk of poisoning from swallowing coolant. Do not open cooling system unless coolant temperature is below 90°C. Open cap slowly to release pressure. Store coolant in suitable and appropriately marked container. Wear protective gloves, clothes and eye wear.
1. Disconnect negative battery cable.
2. Remove engine cover.
3. Partially drain coolant system.
4. Unplug coolant temperature sensor electrical connector.
NOTE: Capture any residual coolant that may flow.
5. Remove coolant temperature sensor (Fig. 7).
INSTALLATION
WARNING: Risk of injury to skin and eyes from scalding with hot coolant. Risk of poisoning from swallowing coolant. Do not open cooling system unless coolant temperature is below 90°C (194°F). Open cap slowly to release pressure. store coolant in suitable and appropriately marked container. Wear protective gloves, clothes and eye wear.
1. Position and install coolant temperature sensor (Fig. 7).
2. Connect coolant temperature sensor electrical connector (Fig. 7).
3. Refill coolant system to proper level with proper mixture of coolant.
4. Install engine cover.
5. Connect negative battery cable.
WARNING: Use extreme caution when engine is operating. Do not stand in a direct line with fan. do not put your hands near pulleys, belts or fan. Do not wear loose clothes.
6. Start engine and inspect for leaks.