Engine - Coolant Temperature Sensor/Switch: Service and Repair
Engine Coolant Temperature (ECT) Sensor (G62)
Removing
• Engine cold.
- Open the cap on the coolant reservoir to release any pressure in the coolant system and then close it again.
- Remove the front engine cover - 1 - upward.
- Disconnect the connector - 1 -.
• Use a cloth to catch any leaking coolant.
- Remove retaining clip - 2 - and ECT Sensor.
• Ignore - arrow -.
Installing
Install in reverse order, paying attention to the following:
• Replace the O-ring.
• To prevent loosing coolant, install the new ECT Sensor right away into the front coolant pipe.
- Check the coolant level => [ Check the coolant level. ] Service and Repair.