what fails if coolant gets into exhaust
It is the job of the Head Gasket to make sure that none of these respective parties: Engine Oil/âSharksâ, Coolant/âJetsâ, and air, fuel and exhaust/ârest of the partyâ ever mix with each other. When the head gasket leaks or fails â then one or more of these elements can mix â which leads to a myriad of issues. Here are a few examples: Low combustion pressure â poor performance. Exhaust gets into the coolant â leads to overheating. Coolant gets into the oil â poor lubrication and possible engine damage.