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Re: cooling,consistendly losing water, and engine over...
I am not sure where your leak is but i had a taurus once and i look all over trying to find it and it was the bottom of my anti-freeze over flow bottle that had a crack in it and if this the case find one at a good salvage yard try this website its www.junkyarddog.com and you be able to find one at a good deal.
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reservoirs are just that reservoirs. Once the radiator has been filled to the radiator cap and the cap is operational the heated expanded water will flow out to the reservoir . When the engine cools down the resultant low pressure in the radiator sucks open a valve in the radiator cap and sucks water back into the radiator the . If you have to always fill the radiator and it is blowing water out into the reservoir but not sucking it back then I would have the cap tested for operation or check for a leak in the cooling system or hose from the radiator to the reservoir.
Overheating can seriously damage a car's engine if left unchecked. Although overheating simply means that a car's engine temperature exceeds normal operating temperatures, the causes of overheating are varied. What follows is a brief list of some of the most common causes of engine overheating.
A car that overheats will often have a faulty radiator. A radiator is responsible for cooling hot engine coolant that picks up heat from inside a car's running engine. A radiator "radiates" the heat from engine coolant out into the outside air. A faulty radiator loses its "radiating" effects and allows engine coolant to become overheated, thus rendering it ineffective at adequately cooling and engine.
Faulty Water Pump
A faulty or malfunctioning water pump prevents adequate engine coolant flow and can cause a car to overheat. A water pump serves to pressurize and propel engine coolant throughout a car's engine and radiator to increase the heat-reducing capabilities of engine coolant. A faulty water pump loses its ability to adequately pump and propel engine coolant, and can cause a car to overheat.
Coolant System Leaks
A leaky engine coolant system reduces the level of circulating engine coolant, which increases engine temperature and leads to engine overheating. Radiators, water pumps, and coolant system hoses and seals--all of these coolant system parts can develop leaks, which can result in low coolant levels and engine overheating.
A car thermostat regulates the flow of engine coolant. A thermostat is a heat-sensitive valve that opens when a car engine reaches a set operating temperature and closes when a car engine is cold and warming up. If a thermostat gets stuck in the closed position, coolant will be prevented from reaching the engine, which will quickly lead to engine overheating and potential engine damage.
Low Engine Oil Level
Engine oil, in addition to lubricating an engine's internal parts, helps to keep engine operating temperatures reduced by eliminating friction within the engine. If engine oil levels are low, friction and heat build up inside an engine, a condition that causes increased engine operating temperatures and can lead to engine overheating.
There is a slow leak and the radiator is low on fluid
Let the vehicle cool down completely and then check the level in the radiator. I bet its pretty low. Top off the radiator with a 50/50 mix of coolant and water. start the vehicle and let it warm up with out the radiator cap on. Keep adding fluid as necessary. While waiting for it to warm up check around for any abvious coolant leaks. Things like hoses, radiator seams, water pump, water inlet/outlet gaskets. If no leaks are found it may be necessary to pressure test the cooling system and even then it might be a slow leak that only occurs when the vehicle is cold.
If the radiator is full than I would suspect that water pump is no longer working or creating enough flow. If the thermostat where stuck you would still get heat. If the water pump is not circulating coolant than you would get no heat and the car would overheat.
When an engine overheats, the scale and debris that resides in the engine water jackets, comes loose and is carried by the water into the radiator coming to rest in the top tank. This blocks off some of the cooling tubes and causes the engine to run hotter than it should, perhaps even boiling. Have the cooling syatem (engine plus radiator) reverse flushed st the radiator specialists. Have the thermostat checked and corrosion inhibitor added to the water. (or proprietry coolant added).I can give you the procedure for this if you want to do the work yourself.
it seems like the radiator of your car needs attention. check for coolant level in it, when its cold. if les add some coolant and then see if the problem persists. --than there are chances of chocking in the coolant pipes, may be they not reached to engine.. --Check the chock,, that it is not turned on. --May be sum loosing nut in engine.
First thing first, turn off the engine wait for 15 - 20 mints, open the radiator cap and fill it up to the top then start the engine and see if it needs more water adn add as needed, then wait till you ca see the water circulating in the radiator now instead of corculating if it starts boiling out shut the engine replace the thermostat and do the whole thing again.
unless there is water in the engine the gauge will not be able to show the actual temp of the engine, so always malke sure you have water / antifreeze