Question about 1989 Chevrolet Cavalier

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Car overheated and now leaks coolant

My car overheated and the belt broke. I replaced the belt and now when you start the car it leaks antifreeze and a a lot of it. I think it might be under the belt because the belt sprays it everywhere but I am not sure. ???

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It may be the water pump or the thermostat may be stuck closed. If the thermostat is staying closed it will cause back pressure to the radiator and hose on the top of the engine so water would probably be come out of the overflow tank. To check this open you hood t start the car. when the car is warmed up some take a towel and squeeze the top big black water intake hose going from the top of the radiator into the engine. If it is still very tight/hard the it is probably they thermostat replace it and see. With the leak being in the front it may be the water pump. at the front of the engine start and look for water to start coming out. Also look at All hose end connection for water. GOOD LUCK
SAMUEL

Posted on Jan 16, 2009

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Thats not a good sign. When a engine overheads, the heads tend to warp, especially aluminum heads.It could be something as simple as a hose or waterpump leaking, but because its associated with an overheat condition, I suspect a warped head. Most garages have a pressure tester where they can pressurize your coolant system and check for leaks without the engine running.

Posted on Jan 16, 2009

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After it cooled down, you were able to drive it for 70 miles - presumably on the highway/interstate/freeway, or another road that may not have a whole lot of stopping.

Then you started driving in town, most likely with stoplights or stop signs. The car overheated then and you weren't able to get it restarted (which is normal and is a safety feature on a lot of cars).

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You have a coolant leak and your car is overheating.

Coolant is a mix of antifreeze and water and tastes "sweet"(WARNING: DO NOT EAT!!).
Is your temperature gauge pointing in the "red"(needle pointing to the far right). The temperature guage is on your dash with a thermometer symbol.

After the car has cooled(a few hours) find the source of coolant leak(green fluid).
It is most likely a hose or a hole in your radiator(large aluminum box attached to the front of the car behind the grill).
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