1056B50 COOLANT TEMPERATURE SENSOR - R + R - Alfa - 147 - eLearn

3024834 - 1056B50 coolant temperature sensor - r + r

) Ensure that the ignition key is in the OFF postition, then disconnect the battery negative terminal.

	Name	Connector
-	Battery	A1B

1. Disconnect the electrical connection from the air flow meter.

	Name	Connector
1	Air flow meter	K41

Disconnect the electrical wiring for the flow meter from the fastening on the air intake sleeve.2. Disconnect the oil vapour recirculation pipe from the air intake duct.3. Undo the bolts (3a) and remove the air intakehouse (3b) complete with air flow meter (3c).

1. Disconnect the electrical connection from the engine coolant temperature sensor.

	Name	Connector
1	Engine temperature sender unit	K36

2. Undo and remove the engine coolant temperature sensor.

Recover the coolant which comes out in a suitable container.

Refitting ( Removing

) Place the engine coolant temperature sensor back in its housing and tighten it to the recommended torque.

	Fastening	Component	Ø	Value(daNm)
-	-	COOLANT TEMP SENSOR	M12	(Thermostat side) 2.7 ÷ 3.3

Connect the electrical connection to the engine coolant temperature sensor.Refit the air intake hose with air flow meter and secure with collars.Connect the oil vapour recirculation pipe to the air intake duct.Connect the electrical connection to the air flow meter and secure the electrical wiring to the fastening on the air intake sleeve.Connect the battery terminal (-).Refill the engine cooling system with coolant - 0010T20 coolant change .