Decatur is a small city located in northeastern Georgia, just 5 miles northeast of Atlanta. The city was founded in 1823 at the intersection of two Native American trails and named after US naval hero Stephen Decatur.
The main function of a head gasket is to hold engine compression while keeping oil and coolant circulation separate. Undetected blown head gaskets cause coolant and oil mixing, which could lead to severe engine damage, such as engine block cracking.
If you have had your 3.1L or 3.4L equipped GM car or mini-van for any length of time... you've come to find out that these engines are coolant-leak prone. Especially from the intake manifold gaskets (to learn more about this particular problem, see this article: Coolant Leaking From Intake Gaskets (GM 3.1L, 3.4L)).nowing the root causes of a blown head gasket (or head gaskets) is one of the key pieces of info you need to prevent this expensive repair. The two basic causes of a blown head gasket or head gaskets are: 1  Severe overheating. 2  Usually the result of the cooling system loosing coolant due to: 3  Water pump failure.