my coolant level keeps dropping but only when it is running and i am not getting any puddles under my car
Best to do/get a pressure test done. Most cars only leak when the engine is warm and the cooling system is up to pressure. If you can't see any external leaks, it maybe an internal leak such as intake manifold gasket.
Keep checking the oil. A real common issue is the intake manifold gaskets failing and the water goes into the valley and mixes with the oil. Look under the oil cap for cream! Other thing it could be is a head gasket! Remove spark plugs and inspect for black and wetness. The effected cylinder spark plug will look different if there is a problem with water entering cylinder It's free to remove the plugs, then if nothing found, remove manifold, but the gaskets are expensive. See images of failed gaskets;
it seems to be a common occurence with the buicks, one theory i heard is that they cannot handle 98 octane fuel? i think my gasket is going and i hardly ever use 98...
well i have never used 98 think it must of been that last bloody own i have found so many dodgy things done
