199000589 - 1088C40 THERMOSTAT- R + R

Removing ( Refitting ) - Position the vehicle on a lift.    Op. 7055B54 UNDER ENGINE PROTECTION/GUARD - R.R.     Op. 0010T20 ENGINE COOLANT - CHANGE     Op. 1016A10 SOUND-PROOFING COVER - R.R 1. Detach the timing sensor electrical connection.

	Description	Connector
1	Timing sensor	See K047 TIMING SENSOR

2. Disconnect the electrical connections for the ignition coils.

	Description	Connector
2	Ignition coil	See A030 IGNITION COIL

3. Undo the bolt securing the earth lead.4. Undo the cable loom duct retaining bolt and move it to one side.     Op. 1072B53 AIR CHAMBER REINFORCEMENT BRACKET - R.R.    Op. 1080D34 ENGINE OIL VAPOUR SEPARATOR - R + R     Op. 1048B58 TURBOCHARGER AIR BY-PASS VALVE - R.R. 1. Undo the nuts (1a) and remove the bracket (1b). 1. Disconnect the connector for the coolant supply pipe to the engine oil heat exchanger, thermostat side.2. Loosen the band and disconnect the radiator coolant supply pipe, thermostat side.3. Disconnect the degassing pipe rapid connector.4. Detach the electrical connection for the coolant temperature sensor.

	Description	Connector
4	Engine coolant temperature sensor/sender unit	See K036 ENGINE COOLANT TEMPERATURE SENSOR/SENDER UNIT

5. Loosen the band and disconnect the heater coolant supply pipe, thermostat side.6. Undo the bolts (6a) and remove the thermostat (6b). 1. Remove the O-ring from the cylinder head.2. Remove the gaskets from the heater coolant supply pipe connector. Refitting ( Removing ) - Fit a new O-ring in the special groove in the cylinder head.- Fit news gaskets on the connector for the heater coolant supply pipe connector.- Refit the thermostat in its seat and tighten the bolts to the recommended torque.

Component	Fastening	dia	Value (daNm)	Validity
Thermostat	Bolt	M6	0.9 ÷ 1.1	1.4 16v

- Connect the coolant supply pipe to the heater, thermostat side and tighten the band.- Connect the electrical connection for the coolant temperature sensor.- Connect the degassing pipe quick coupling.- Connect the coolant supply pipe to the radiator, thermostat side and tighten the band.- Tighten the connector for the engine oil heat exchanger coolant supply pipe to the recommended torque.

Component	Fastening	dia	Value (daNm)	Validity
Water supply pipe to engine oil heat exchanger	Connector	M16	3.0 ÷ 3.6	1.4 16v TJet

The connector should be tightened keeping the pipe still. Any movements of more than 3° affect the seal of the connector.

- Fit the bracket in position and tighten the nuts.     Op. 1048B58 TURBOCHARGER AIR BY-PASS VALVE - R.R.    Op. 1080D34 ENGINE OIL VAPOUR SEPARATOR - R + R     Op. 1072B53 AIR CHAMBER REINFORCEMENT BRACKET - R.R. - Place the cable loom duct in position and tighten the bolt.- Tighten the bolt securing the earth lead.- Connect the electrical connections for the ignition coils.- Secure the electrical connection for the timing sensor.     Op. 1016A10 SOUND-PROOFING COVER - R.R     Op. 0010T20 ENGINE COOLANT - CHANGE     Op. 7055B54 UNDER ENGINE PROTECTION/GUARD - R.R. - Remove the vehicle from the lift.