What causes a 95 Mazda millenia to start over heating when driving when fan is still turning on and has new radiator?
could be a bad water pump or the thermostat. i would check the thermostat first for two reasons one its cheaper some where between 8 and 15 dollars and also more likely to fail
Why does turning on the heater cool down an overheating engine?
Turning on the heater allows the hot water and coolant to enter the heater core.The heater core is really just another radiator designed to extract the heat in the coolant and pass it on into the air surrounding it,in this situation the driving compartment,thus dropping the temperature of the coolant,thus cooling the over heating engine.
How to flush a Toyota previa radiator?
To flush a Toyota Previa radiator, first drain the antifreeze in the radiator into a bucket. This is done by turning the valve at the bottom of the radiator. Close the valve and add a radiator flush product purchased at an automotive parts store. Follow the directions on the bottle of flush. This usually means running the vehicle for a certain amount of time and then draining the radiator again.
If a 1996 Chevy Cavalier is over heating even after the water pump etc was replaced and the system was bled could it be a bad water pump?
Overheating can be caused by a blown head gasket or cracked head. Blown head gaskets are quite common on newer four cylinder American cars. Your radiador core can be blocked or radiator grille dirty and resricted , thermostat faulty , radiator cap not maintaining proper pressure . Check to see if cooling fan on radiator is turning when car is in operating temp, or if air conditioner is on. If it is not turning it…