I changed the water pump rediator and thermostat but my car keeps over heating the water dosent circulate around.
Check your hoses see if when runnig they close up,if not loo for vents for letting are out of the system if ther is a air pocket inyour coolant system it willcause the engine to overheat make sure to run the heat when refilling coolant system. if this fails to solve your problem look for a gurgling sound coming from the rad or over flow tank look for this when engine is cold and runnig if you do hear this then you might have a blown head gasket.you can buy a blown headgasket detection kit from your local auto parts store if you do hear or see this symtom.
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How do you know the water "dosent" circulate? If its overheating the water is hot. This water would originate in the engine. If Its hot in the radiator, the pump circulated there and it's working.
A bad head gasket, or timing off can also cause the engine to overheat.
As can a faulty temp gauge. Measure the actual temp of the coolant.
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