How can you tell if there is a blown head gasket on a 2002 Chevy Impala?

Answer 1

Is there white smoke coming from the tailpipe? That is one telltale sign what engine check the over flow tank for bubbles when running color of the in side of tail pipe different ways to tell in general.1. compression back throught the radiator causes bubbles in radiator when you take the cap off..2.loss of water 3. loss of compression in one or two cylinders or could be missing in one or two cylinders or water could possibly be seen in your oil by checking your dip stick If it's blowing the coolant out of the radiator, that's a good sign that the head gasket is blown. If there is any additonal doubt, you can purchase a tester to detect Carbon Monoxide in the coolant.