Why does my car drink antifreeze?

Question

I have had an 88 Corsica and a 2000 Impala during the past 20 years and both cars constantly have drank up antifreeze like soft drinks. I bet my coolant light comes on at least once a week. There are no leaks anywhere, so what else could it be?

Answer 1

make sure your radiator cap is sealing correctly.

Answer 2

When the car is cold check the oil.   If the oil is gray color you have a blown head gasket and need a new car.

Either that or you have have a leak in the hoses.  If the hoses are old, replace them.  

Answer 3

Normally you should go a year or more without needing a drop of fluid, you have to have a leak somewhere in the system.

Answer 4

If there are no visible leaks, it is going out the exhaust.  You have a blown head gasket or, worse, a cracked block or head.

Answer 5

You better make sure the coolant isn't leaking into your engine. Coolant is a corrosive and can ruin your engine!  

Answer 6

it could be a head gasket.

Answer 7

because its thirsty

Answer 8

The 3.4L engine is very infamous for intake manifold gaskets leak coolant into the engine crankcase.Look at color of motor oil.