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2002 caddilac deville has a major over heating problem, replaced radiator, thermostat, and put dye in it to see if any water leaks can be found, no leaks can be seen externally, no steam coming from the exhaust and no water in the oil, any ideas as to why i am losing over a gallon of water everytime i drive my vehicle
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he could be right about the heads but he may have put the thermostat in wrong and instead of opening it is blocking the coolant flow causing the overheating
The time span quoted is about right for a thermostat to start opening
Sounds like you have blown a head gasket. Do not run the engine like this or you will seize it up . anti freeze will freeze the pistons and you will need a new engine. Hope you have not ruined it now.
White smoke is a sign of water in the piston area.
If you have water in the oil then you most likely have a blown head gasket or worse a cracked head. This will also cause excessive heating of the engine. I wouldn't drive it , it needs to go to the shop.
When the motor heats up it is expanding thus stopping the leak. You need to have it checked by someone or put in some radiator dye from your local auto parts store and use a black light to determine where the leak is. Is is not hard to warp a hot engine lacking coolant and then we are talking major work to fix it. You could use some radiator stop leak found at your local auto part store such as a product called BARS LEAK which could cure the problem or make it worse by plugging the flow of coolant.You really need to know where the leak is at and get it fixed.
Water pump, radiator doesn't have good flow. radiator is dirty on the outside. These are 3 possibilities The pumps impeller can become loose, it will give you enough water movement at idle, but under a load it starts to spin on the shaft. and the hotter it gets the more it will spin on the shaft.
you may have too much coolant in it... oddly enough,. I've seen entire cooling systems (and even the engine get replaced) and it still over heated -- when in fact it was an all of a sudden the car required a larger radiator -- and the (freaky) problem was fully solved,. in your case it may be a larger holding/ overflow tank?
Replace the bad radiator hose first. Â Second- get you special formulated anti-freeze dye from the auto store and pour it into the radiator. Â Third- make sure you got all the air pockets out of your system, cause the coolant system won't work with air pockets in it. Â Fourth- Check for leaks by looking for the colored dye. Â If it's not the radiator hose, then could possibly be a pin hole in your radiator. Â Would suggest replacing all the radiator hoses at the same time while you got the coolant system disconnected, cause you don't want to have to come back and replace another hose in a few months.
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