2000 grand am 3400 engine new water pump thermostat radiator still overheating from overflow tube when rad cap is off boils out tem gauge doesnt register hot before it boils out
2000 grandam keep boiling out of overflow have changed water pump therm rad heat core temp gaugedont raise?
Sounds like you may have a head gasket allowing compression from the cylinders to leak in to a water jacket thus giving you compression from the motor in you water system. This is why it blows out the water before the temperature comes up.
