yes it could be faulty without leaking , the impellor on the back could of come away and not be pumping water around the engine , to check this take the radiator cap off and have a look if the water goes up and down when you excellorate the engine , if it does the must be a nother problem
swelling leaking
There are several signs of a faulty PCV valve. The most specific indicators are oil in the air filter or leaking around the seals and gaskets. More general signs are rough engine idle, decrease engine performance, decrease in acceleration, loss of power, and bad fuel economy.
your car is leaking oil!
Leaking and overheating from lack of pressure.
they are both libras
Roof leaking, wall leaking, soffit leaking from ice buildup on roof. First thing would be to go into attic and see if there is any signs of water, if there are no signs of water that means it is coming from the outside wall .
the water gets into the combustion chamber and comes out through the exhaust pipe as a vapor
Unpredictable engine performance and pulsating lights are some of the signs of a faulty voltage regulator. A dead battery is also a symptom of a faulty voltage regulator.
the game won't play or it will say insert disk
A faulty turbo is indicated by pure black smoke when engine revs are above idling revs and it can also be shown by poor machine performance.
A continious dull banging coming from the wheel when turning
if it is lowering oil and water both and is not leaking it may have a blown head gasket and it is going out the tailpipe