By bore do you mean weep hole? If so, the seal is leaking. Replace the pump.
Water pump shaft loose? Water pump leaking? Water circulating in coolant system?
Replace water pump.
Time to replace the pump.
The way you stop your water pump from leaking on a Ford Transit Lorry depends on why it is leaking. The most common fix is to replace the gasket on the water pump.
Usually a leaking hose into or out of the water pump (depending on its location), or the water pump gasket.
Water leaking from the seal
You replace it.
The seals in the pump are leaking and the pump needs to be replaced.
That is the water pump weep hole. The water pump has failed.
if you have a leaking water pump gasket i thing bay a new one is better
If it's leaking under the front of the water pump, it's probably the water pump.