Question about 1996 Cadillac Eldorado

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My 96 Eldo Norstar is overheating only when I idle. Pressure is good. No leaks but it needs fluid every other day or so. What could be the problem?

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If you dont have external leaks.check crank case oil if it look like milk shake you have a head gasket leak or intake.you can lose coolant if you got a small intake leak the antifreeze leak in combustion chamber burn with gas.if all good .you have more water than antifreeze water will evaporate away causing low coolant then it will over heat.

Posted on Jun 16, 2009

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Hello, look on the left (driver side) front of the engine, you will see at the end of the closest to you, on the cylinder head, a pulley. This pulley runs your water pump, by a belt connection. Check and see if that belt is on.
If you are adding water, you should have it pressure tested, as it could be the water pump(which takes a special tool to replace) or a bad head gasket.

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