Many engines of today seem to develop leaks in the intake manifold gasket. Chrysler is one of them. WHen this seal leaks, it takes in miniature ';gulps'; of coolant, and attempts to burn it through combustion. If you coolant level is dropping and you cannot find an externalt leak, then this is the most common. It is an easy fix if you are mechanically inclined. THere is probably a re-engineered gasket available from the dealer. Ask about these ';issues'; at the parts department. Good luck!!My car's coolant stays low--but there's no mixing with the oil--in the radiator tank, what's wrong?
You might want to check whether water is leaking into the combustion cylinders - typically due to a leaking head gasket. If water is getting lost but without a trace then it usually has gone into the cylinders where it gets vapourised %26amp; goes out the exhaust pipe as part of the engine's exhaust - in some cases without being noticed.
Another option is that sometimes a hose gets a very small hole that only shows when the engine is at full operating temperature %26amp; under load - so the water pump is pumping hard (high engine %26amp; thus pump revs). When the rubber hose is cooler of has less pressure the hole closes. I had that on my car %26amp; it took over 3 months to find due to the location of the leak - spraying a fine mist onto the exhaust in an out of sight space so there was nothing to see at all. In the end I did a pressure test on the engine when cold so I could feel along the hoses where they are out of sight without getting burned %26amp; also the water that leaked was not getting vapourised by the exhaust pipe since it was cold, so we found it. To do a pressure test you change the radiator cap for a test cap with a sap that has a valve to which a hand pump is attached. NOTE: DO NOT OVER PRESURISE! Your water system only operates a low pressure, no more than 14 psi - pump to more than that %26amp; you may blow your radiator = expensive!
Good hunting.
What kind of car is it? does it overheat? The first thing i would check is the intake manifold. The gasket is probably junk. This will cause coolant to leak into the cylinders and burn up with the fuel. A cracked head will allow coolant to disappear however it typically ends up in the oil. The other possibility depending on the car is an air pocket in the cooling system, this will work its way out, and give the appearance of low coolant. If you answer the kind of car you have i should be able to help you more.
first are you filling it at radiator then cranking it and toping it off as needed then filling over flow jug.. if so then replace radiator cap would be next check you hoses radiator for wet spots look under car for wet spots or have a shop pressure test or have a look at it while its on a lift sometimes its hard to see everywhere while on ground... a bad water pump wil leak a bad cap would let coolant be push into over flow jug most likey you have a leak just have not seen it yet
Sounds like theres a leak somewhere. Any signs of coolant on the ground where you park? Maybe take it to a radiator repare shop and have them pressure check it.
check the oil dipstick and the oil cap for white slime which will indicate the head gasket has gone
SOUNDS LIKE YOU HAVE A HEAD GASKET LEAK AND ITS GOING OUT YOUR EXHUAST
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