3362535 - 1088C30 THERMOSTAT UNIT - R+R

Removing ( Refitting ) Position the vehicle on a lift.Raise the vehicle.    Op. 7055B54 UNDER ENGINE PROTECTION/GUARD - R.R.Lower the vehicle.    Op. 5530B56 BATTERY DRIP TRAY COVER - R.R.Make sure that the ignition key is in the OFF position, then disconnect the negative battery terminal.    Op. 5530B10 BATTERY - R+R    Op. 5530B52 BATTERY SUPPORT/DRIP TRAY - R.R    1016A40 COPERCHIO BOBINE accensione su testa cilindri - S.R.    Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R    1048A31 TUBO RIGIDO tra filtro aria e collettore di aspirazione - S.R.Undo the fixing bolt and move the bracket securing the return pipe from the heater aside.1. Disconnect the electrical connection from the engine coolant temperature sensor.

	Description	Connector
1	Engine temperature sending unit	K36

2. Disconnect the upper radiator coolant inlet hose from the thermostat unit.

Collect the coolant that comes out in a suitable container.

3. Disconnect the coolant supply pipe to the engine oil heat exchanger from the thermostat unit.4. Disconnect the recirculation pipe to the engine coolant tank from the thermostat unit.5. Undo the bolts fixing the thermostat unit to the cylinder head.6. Disconnect the supply pipe to the heater from the thermostat unit.Break the band joining the return pipe to the heater.7. Disconnect the return pipe to the water pump from the thermostat unit.8. Remove the thermostat unit complete with O-ring. Refitting ( Removing ) Fit the thermostat unit in place complete with O-ring.Connect the water pump return pipe to the thermostat unit.Connect the heater supply pipe to the thermostat unit.Join the two heater pipes using a new band.Tighten the bolts securing the thermostat to the cylinder head.

	Fastening	Component	Ø	Value(daNm)
-	Bolt	THERMOSTAT	M8	2.5

Connect the engine coolant tank supply pipe to the thermostat unit.Connect the engine oil heat exchanger coolant supply pipe to the thermostat unit.Connect the upper radiator coolant inlet hose to the thermostat unit.Connect the electrical connection to the engine coolant temperature sensor.

	Description	Connector
-	Engine temperature sending unit	K36

Position the heater return pipe mounting bracket and tighten the fixing bolt.    1048A31 TUBO RIGIDO tra filtro aria e collettore di aspirazione - S.R.    Op. 1056B82 INJECTION/IGNITION SYSTEM E.C.U. (ONE) - R + R    1016A40 COPERCHIO BOBINE accensione su testa cilindri - S.R.    Op. 5530B52 BATTERY SUPPORT/DRIP TRAY - R.R    Op. 5530B10 BATTERY - R+RConnect the negative battery terminal.    Op. 5530B56 BATTERY DRIP TRAY COVER - R.R.    Op. 0010T20 ENGINE COOLANT - CHANGE.Raise the vehicle.    Op. 7055B54 UNDER ENGINE PROTECTION/GUARD - R.R.Lower the vehicle.Remove the vehicle from the lift.