Withdrawal
Drain the coolant.
Loosen the alternator drive belt, then remove the belt and crankshaft pulley.
Remove the vibration damper from the hub and disconnect the hoses from the thermostat housing.
Remove the TDC sensor and the camshaft drive belt protective cover.
Install special tool 11 5 010 on tensioning roller spring.
Remove the water pump by disconnecting the hose from it.
Installation
Check the main oil line plug for leaks and replace if necessary. A new plug should be placed on a sealant such as Loclite 270.
Install the water pump, replacing the gasket.
Remove special tool 11 5 010 from tensioning roller spring and fit toothed belt guard with lifting feet.
Install the TDC sensor, maintaining a gap of 0.2-2.0 mm between it and the vibration damper.
Connect the coolant hoses and install the vibration damper on the hub, making sure that the mounting pin is in the correct position.
Install the crankshaft pulley and put on the alternator drive belt.
Adjust the tension of the alternator drive belt.
Pour fluid into the expansion tank and bleed air from the cooling system.