Here are some hints that the water pump is NOT working properly:
A fuel pressure test can determine if the pump is working properly or not.
If it's by well, pump not working properly, or at all. Municipal water could be water main break.
because the water pump is not working properly....
there should be a pressure gauge on a pipe leaveing the pump, or if it dumps into a catch pan then watch the flow,
Check the coolant in the 96 Taurus. Check to insure that the thermostat is working properly, and that the water pump is working.
It could just be that the water pump is not properly working. Have you checked all the could-be causes for your car overheating if not then do so.
Air trapped in the system, defective water pump, blown head gasket or cracked head, cooling fan not working properly.Air trapped in the system, defective water pump, blown head gasket or cracked head, cooling fan not working properly.
If you have replaced the water pump then flush the radiator with CLR also check to see if the fan is working properly.
if your water pump fails, engine will overheat. You will have no heat in vehicle.
Check the 1991 Legacy for a stuck thermostat. Check to make sure that the water pump is working properly.
No circulation.
Low coolant Cooloant not circulating due to being "airbound" Thermostat stuck in the open position Heater control cable not working or not adjusted properly Bad water pump Low coolant Cooloant not circulating due to being "airbound" Thermostat stuck in the open position Heater control cable not working or not adjusted properly Bad water pump