My 2004 Buick LaSaber seems to be running very hot.
I opened the hood and noticed that there was very little antifreeze. I added to the cold line and it disappeared so I put in more. So now it's all filled up again but the antifreeze gage reads 72 when I start and within 2 or 3 minutes it reads nearly 200 degrees. At the same time the motor heat gage reads pasted the half way mark...then I shut it down. Could I have a bad water pump or thermostat ?? Some antifreeze keeps ending up on the driveway, but none is in the oil. Thanks for your help