Auto Parts and Repairs
Antifreeze and Engine Coolant
Radiators
Chevy Suburban

Why would the coolant go out of your radiator if it has no leaks?

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Wiki User
2005-10-25 04:46:34
2005-10-25 04:46:34

It may appear to be coming from the radiator. A leak is a leak, and it can cause serious prolems inside your engine. It could be a house, a gasket, the water pump, or you may have missed a radiator leak. Over heating can cause this too, and that presents other problems. Lastly, your radiator cap may be failing. That's a cheap first step. Don't let this go for long, keep fluid in your system at all times.

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It probably has a leak. Here's something to check - the radiator has a tube coming out to the reservoir, so when it gets hot and expands the coolant goes into the reservoir and should go back into the radiator when it cools, but if your reservoir has a crack and the coolant leaks out, well it's gone and can't go back into the radiator - this would cause a lot of loss of coolant.

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Coolant goes in the radiator or you can also fill the radiator resevoir.

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form_title=Replace the Coolant Fluids form_header=The fluids in the cooling system need to be replaced regularly. When was the last time you go your coolant flushed?=_ If the thermostat needs to be replaced, would you like me to install a new one?= () Yes () No Have you noticed any leaks in your radiator?= () Yes () No

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Probably low on coolant. Have coolant system checked for leaks.

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Get something for the coolant to go into like a bucket. Remove the lower radiator hose from the radiator and also remove the radiator cap to help and drain into bucket.

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An overflow tank is a bottle that holds coolant that expands and leaves the radiator under driving conditions. The Coolant will go back into the radiator as needed.

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Not much info to go on. First thing to do is pull over and check the coolant level in the coolant reservoir. If the reservoir is empty look for obvious leaks and repair as necessary. Never open radiator cap when engine is hot. If you don't see any obvious leaks have vehicle towed to a garage for diagnoses.

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In the radiator and the overflow bottle.

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Low coolant? Cooling fan not working? Radiator restricted or plugged? Water pump not circulating coolant? Defective radiator cap? Low coolant? Cooling fan not working? Radiator restricted or plugged? Water pump not circulating coolant? Defective radiator cap?

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any radiator fixit that you buy in a store is a temporary fix usually makes the problem worse you can take radiator to a radiator shop where they can tell you if it is repairable or u need a new one now here is also a fix that will work but try not to laugh go into your kitchen and get the ground black pepper . that's right the stuff you put on your food pour this into radiator top off radiator and run engine this will stop leaks without gooing up anything else i know you are laughing but it does work when time comes to change coolant, this will just run out when u dump the old coolant

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Next step after this would be to replace the radiator pressure cap, check ALL hoses for deterioration and leaks, check the coolant resevior bottle for leaks, and all connections to it. Check the drain plug and make sure it's snug in the bottom of radiator. Also, you may need a new water pump. Good Luck! I agree about the water pump, even if it seems as if it is working it will give poor circulation and cause overheating when pressurized until the bearings finally go out completely. but check the pressure cap first it is the most obvious and cheapest option, if it is bad when the system builds pressure and heat it will allow coolant to pass freely into the reservoir, but not draw it back in.

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I have a 91 Ford escort that has two caps. one is on the radiator itself and one next to it that says coolant only. how do I know where the antifreeze goes? does a mixture of coolant and water go in the radiator or does only water go in radiator and coolant in the other one? I have never seen an engine with this. could you help explain it?

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When considerig a radiator it is a good idea to go with the manufacturers brand. Aftermarket products are prone to leaks and failure.

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The coolant leaves the radiator by way of the lower radiator hose then enters the water pump in most automotive engines.

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I would have to guess that your radiator has a hole in it. Look andd see if your transmission lines go to a tank on the radiator. If this is the case then the radiator will have to be replaced. You transmission line is leaking oil into the coolant. Is there also coolant in the transmission? This is the only way that I can see this happening. Now if you were just having coolant in the transmission then I would say that there was a head gasket issue. well I hope this helps you.

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Engine coolant expands when heated. Heated coolant needs a reservoir to come and go as needed.

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It is worn and needs to be replaced. It is collapsing when the water pump draws coolant.

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**I meant to add that the radiator cap is not to be found on this vehicle. Can it go into the coolant fill tank?

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Yes- coolant reservoir is designed to accept excess coolant - As coolant heats up it will expand and flow to the coolant recovery tank (reservoir) and as it cools (contracts) it will be sucked back into the radiator

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Probably low on coolant, check the reservoir.

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Engine coolant in an Alero is used in the radiator. A diagram and instructions for how to properly use the coolant can be found on the package instructions. An owner manual will also assist in proper use of coolant.

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To replace the thermostat in you 1984 Chevy Celebrity: 1. Drain enough coolant out of the radiator to avoid a coolant spill when you take the water outlet off. It should not be necessary to drain the radiator unless you plan to change coolant. Wear gloves to keep coolant off of your skin. 2. Remove the bolts that hold the coil mount on and move the coil out of the way. If you take any wires loose make note of where they go so they can be put back. 3. Remove the bolts that hold the water outlet on. It is not necessary to take the upper radiator hose off of the outlet, but it may be convenient to do so, 4. The thermostat is behind the water outlet. Remove the old thermostat. Clean the mounting surfaces of both the water outlet and the thermostat housing so you can get a good seal. 5, Put the new thermostat in place, reattach the water outlet and upper radiator hose if you took it off. Refill the radiator with coolant and check for leaks. If there are no leaks put the coil back on and reconnect any wires that were removed. Start the engine and check further for leaks and thermostat operation. Top off coolant as necessary.

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Check the coolant level. Not just the bottle but in the radiator too. The 3400 motor is known for leaking coolant at the intake manifold.

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it is possible to have a small leak on the head gasket ,enough to let the coolant still leak into the clyinders and will account for a gallon to go weekly,and still show no signs of white smoke in the exhaust,also might want to check around the radiator fill neck to make sure it does not show a sign of cracks,this can cause coolant to vaporize out of the radiator and you will never see it leaking.....


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