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To determine if a water pump on a Subaru is functioning properly, check for coolant circulation by observing the radiator or coolant reservoir; if the coolant is moving after the engine reaches operating temperature, the pump is likely working. Additionally, listen for any unusual noises such as grinding or whining, which could indicate a problem. Inspect for any leaks around the pump area, as these can signal a failure. If in doubt, a professional mechanic can perform a more thorough diagnosis.
What else can I help you with?
How can you tell if the water pump is pumping?
If the engine is warmed up, the thermostat has opened and coolant is circulating, the pump is pumping.
How do you tell a bad fuel pump in a ford diesel?
If its not pumping.
How can you tell if the water pump needs to be replaced or if its the themostat on your jag s-type?
It is rare for a water pump to stop pumping, even if they are leaking, they are still pumping as long as the belt is there and tight. I would change the thermostst first. There are a few water pumps out there that have a plastic impeller and I have seen them break apart but that is rare.
How t tell if water pump is bad?
Water pump shaft loose? Water pump leaking? Water circulating in coolant system?
How can you tell if the smog pump is defective on a 1979 Chevy pick up with a 350 engine?
take the line off of it and see if it is pumping air
How can you tell if your water pump is not working?
No circulation.
How can you tell if the water pump is bad on a 99 cadillac deville?
If a water pump is bad they usually leak coolant
Engine runs hot how can you tell if its a water pump?
my engine runs hot on my 2000 dodge caravan how can i tell if its the water pump i already change the thermostat does not help
How do you tell if your water pump needs to be replaced?
There is a small hole in the bottom that is designed to leak when the water pump bearing is goin out
What is the weep hole for?
if you are talking about the weep hole in the water pump. that hole will let water out when the seals in the water go bad. that will tell you to get the water pump replaced.
How can you tell if the water pump on a 2002 Daewoo Leganza is going out?
Leaking around water pump mounting or shaft Play in shaft
How do you tell if you have a bad water pump on a Nissan 200sx?
If the water pump is bad ussually the heater will stop giving hot air .
