194000407 - 1088D24 WATER PUMP RIGID COOLANT INLET PIPE - R.R.

Removing ( Refitting ) - Position the vehicle on a lift.- Make sure that the ignition key is in the OFF position, then disconnect the battery terminal (-).

	Description	Connector
-	Battery	See A001 BATTERY

1. Remove the sound insulation cover fastened to the engine by three pins. 1. Undo the coolant drain plug in the water pump and drain the coolant.

Collect the coolant in a suitable container.

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

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

2. Loosen the collar and disconnect the upper coolant input sleeve to the radiator, thermostat side.3. Loosen the bands and disconnect the coolant delivery and return pipes to the climate control system heater, thermostat side.4. Undo the engine coolant temperature sensor and remove it.

The engine coolant temperature sensor is removed to gain access to one of the thermostat fixing bolts.

5. Undo the bolts (5a) and remove the thermostat (5b) complete with water pump rigid fluid inlet pipe (5c) and O-rings (5d). 1. At the bench, separate the thermostat (1a) from the water pump rigid fluid inlet pipe (1b).2. Remove the seal. Refitting ( Removing ) 1. Tighten the coolant drain plug to the water pump to the recommended torque.

Apply sealant to the plug before fitting it.

Component	Fastening	dia	Value (daNm)	Validity
Drain plug on water pump	-	M20 x 1.5	(water pump side) 2.0	2.2

- Assemble the rigid coolant inlet pipe and water pump complete with a new seal.1. Place the thermostat (1a) complete with water pump rigid coolant inlet pipe (1b) and new O-rings (1c) back in its housing and secure it tightening the bolts (1d) to the recommended torque.

Apply (white) silicon grease to the O-rings.

Component	Fastening	dia	Value (daNm)	Validity
Thermostat unit	Bolt	M6 x 1	(engine crankcase side) 0.6 - 1.0	2.2

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

Component	Fastening	dia	Value (daNm)	Validity
Engine coolant temperature sensor	-	M12 x 1.5	(thermostat unit side) 2.1	2.2

3. Connect the coolant delivery and return pipes to the climate control system heater, thermostat side, and tighten the band.4. Connect the upper coolant input sleeve to the radiator, thermostat side, and tighten the band.5. Connect the electrical connection to the engine coolant temperature sensor. - Place the sound insulation cover back in its housing and secure it to the engine using the three pins.- Connect the negative battery terminal.    Op. 0010T20 ENGINE COOLANT - CHANGE- Remove the vehicle from the lift.