Removal and installation of the coolant temperature sensor, K7M engine
Removing the coolant temperature sensor
1. Disconnect connector (1) coolant temperature sensor.
2. Unscrew the coolant temperature sensor.
Installing the coolant temperature sensor
Caution: Contact surfaces must be clean, dry and free of grease to ensure proper sealing (prevent fingerprints).
1. Using a cleaning agent, clean and degrease the coolant sensor mounting surface on the cylinder block.
2. Install the coolant temperature sensor with a new gasket and tighten to 22 Nm.
3. Fill and bleed the engine cooling system.
Removal and installation of the coolant temperature sensor, K4M engine
Removing the coolant temperature sensor
1. Remove the air resonator.
2. Disconnect the coolant temperature sensor connector (3).
3. Remove the coolant temperature sensor.
Installing the coolant temperature sensor
Note: Apply one to two drops of Frenetanche to the threads of the coolant temperature sensor (only if the sensor is reused).
1. Use a cleaning agent to clean and degrease the mounting surfaces of the coolant temperature sensor on the cooling chamber.
2. Install the coolant temperature sensor and tighten to 30 Nm.
3. Connect the coolant temperature sensor connector.
4. Install the air resonator.
5. Fill and bleed the engine cooling system.