Question about 1995 Buick Century

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Going through lots of coolant

My car is going through a lot of coolant. It was originally low on oil but after adding oil it still has been going through a lot. Not sure if it has a leak somewhere or what.

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If your car is eating Oil and Coolant, you need to change your head gasket. To buy a head gasket Set costs about 75 bucks. To hire someone to replace them: about 800 bucks. Your car aint eating all that up. You have a leak somewhere.

Posted on Nov 30, 2008

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Ususally when the heater blows hot air only when the car is at hight RPM is because low coolant in the system. It sounds like a bad thermostat . In the worst case you need to do a diagnostic check to the head gasket. Because the first thing to get blowen out when the car over heat are the head gasket.

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All fluids, tires, etc, checked out.


The check engine light doesn't monitor those things, it's an emissions warning. monitors a host of things that are emissions related. You need to have it checked by a technician. The most common cause is a loose (or defective) gas cap. Make sure it clicks when you fill up. As for being 1/4 qt low on oil, don't add that small of an amount. Only add if it's a full quart low. If you check it soon after the engine has been running it'll show low because there's still a lot of oil upstairs in the engine. The dipstick measures what's down low in the oil pan. Also don't add anything to the radiator; only add to the overflow jar. It's marked high and low; those are actually temperature dependent marks, it should be at the high mark when the engine is warm and low when the engine is cold. Coolant expands and contracts with temperature. Don't add straight H2O either; that should be 50-50 coolant/water. They'll do that when you get the oil changed.

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1 Answer

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