I changed the radiator and thermostat completely filled it with coolant and it is over heat.
closed as unclear what you're asking by Gabriel Mongeon, Larry♦ Dec 18 '13 at 21:12
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Your engine does not have bleed screws on the radiator cooling system. To fully top up your system, fill the radiator with coolant. Run the engine at about 2500 RPM for a couple of minutes. With a large wet rag, soaked in water, to protect your hands from any steam, slowly but slowly undo the coolant filler cap. Top up again with coolant. Do this several times until it needs no more topping up.
One Old Hands trick we use in the motor trade is to remove a component such as the coolant temperature sensor. The choice of component would be: Below the engine thermostat housing but high up on the engine block. As you fill with coolant, air will be pushed out of the system through the hole for the removed component. Once coolant starts to come out of the hole, refit the component. This trick will remove most of the air trapped in the block and get hot water more quickly to the thermostat bulb to make the final bleeding easier and quicker.