Engine - Coolant Temperature Sensor/Switch: Service and Repair
Engine Coolant Temperature (ECT) Sensor (G62)
Removing
• Engine cold.
- Remove the engine cover - arrows -.
- Briefly open the coolant reservoir cap to reduce the residual pressure in the coolant system.
- Disconnect the connector - 1 - from the ECT Sensor.
• Use a cloth to catch any leaking coolant.
- Remove retaining clip - 2 - and ECT Sensor.
Installing
Install in reverse order, paying attention to the following:
• Replace the O-ring.
• To prevent coolant loss, immediately insert new ECT Sensor in support.
- Check the coolant level => [ Check the coolant level. ] Service and Repair.