Antifreeze and Engine Coolant
Radiators
Thermostats

Why is the water coming out the overflow hose when the car gets hot?

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2011-09-13 15:51:30
2011-09-13 15:51:30

The thermostat could be bad not opening when the temperature reaches the opeing stage and the water is boiling back over to the tank and over flowing....

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It's steam from boiling coolant (or water) coming out of the overflow hose connected to the top of the radiator just below the level of the cap.

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The hose that goes from the overflow to the bottom of the radiator on a 2002 Windstar is the bypass hose. It allows coolant from the overflow to return to the radiator as it cools.

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Spilling water from where? Then it has a leak or is overheating. Find the location of the leak.Mine needed a hose clamp on the overflow hose at the radiator,

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This is probably an overflow pipe from the cold water tank in the loft.

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That device is called the refill tube. This allows water to go down the overflow tube to refill the water closet bowl while the tank is filling.

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too much water added the overflow is designed to let out water.onece the radiator reaches the required pressure,the excess water is exhausted thru the overflow

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Actually, this is an overflow hose. The hose shouldn't connect to anything. When the radiator warms up the fluid level in the reservoir tank may rise. If it gets too high, then the coolant will pour out of this overflow hose. If this is happening too often, you may have a blockage in your radiator.

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On a 2003 Bonneville, the hose to the water pump that is the heater inlet hose is the top hose coming from the radiator. This is also the hose that holds the thermostat.

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the reason for water coming out from under the dash is that a hose could have broke or you have a problem with your heater. your heater works off of the water in the radaitor and since it gets hot from the motor well it serculates threw the heater and that's who your heater works

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water pump (has a pin hole overflow if goes bad) , water hose connection, overheating, damage to the radiator causing a crack?

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Open the radiator drain and let drain into a catch basin. Run water through the radiator by filling through the radiator cap with a hose till the water coming out is clear. Fill through the overflow bottle if there is not a radiator cap present.

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unhook the overflow hose from the fuel filler hose and put a syphon hose through it to the tank. I used a 3/8 hose.

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Pressure builds within the hose and water shoots out farther and with higher pressure... Think showerhead....

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That is the overflow hose. It comes out at the level of the cap to allow for any extra coolant to escape.

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If there is coolant coming from it and it isn't a hose.

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I would start with checking all the hose clamps and hoses to make sure they are properly tightened and not damaged. Also check that the thermostat housing is not leaking along with the water pump. Especially if any of these were replaced when the radiator was replaced. Also check to see if drain cock is closed. Also make sure the overflow hose is correctly routed to the overflow tank. You might just have to run the engine and open the hood and see where the leak is coming from. Good luck.

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it gets cold and the molecules fit together like a puzzle.

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you should find it attached to the radiator & the water pump. if it is missing, that's where you should put the new one. radiator at the front of the vehicle, engine behind it, water pump on front of engine, with hose, or short metal tube coming out of the bottom of it. the radiator will also have a hose or short metal tube coming out of the bottom of it also,(the radiator should also have another hose coming from it at the top)

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We probably don't have the same model, but I would get overflow problems until I cut the hose (where water was supposed to go out of) and made it expel it's water in a huge bucket on the floor. Gravity does what its' supposed to.

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That smoke is steam. You have a leak in the radiator or a hose. Take it to a mechanic.

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Follow the main radiator hose located by the overflow tank. It should be where this hose attaches to the engine.

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Take a 3/4" clear plastic hose about 30ft long + or - hold the two ends together fill with water 3ft from top or overflow. Hold one end of the hose water level at the desired height of the structure The opposite end of the hose will be level to the exact same at the other end 6 ,10 ,15 or 20ft away for example. The hose Dock

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Your water flow comes out of the engine through the upper hose, into the radiator. The lower hose is cooler because the radiator has done its job; it cooled the water!

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of course there has to be a hose from some part of the cooling system to the over flow tank otherwise whats the point of having a overflow tank (looks lol)


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