Operations to be performed before removal and after installation of the pump
Drain and fill with coolant.
Remove (install) toothed timing belt and balancing mechanism.
Removal sequence
Remove the alternator tensioner.
Remove the coolant pump.
Remove the water pump gasket.
Remove the water pipe rubber o-ring.
Installing the water pipe rubber o-ring
Install the rubber o-ring into the groove on the water pipe.
Moisten the rubber o-ring and the inside of the coolant pump with water.
After that, insert the water pipe into the bore on the coolant pump.