I'm going to presume you are talking about the motor driving the car's air ventilation and heating / cooling system inside the passenger compartment. Typically, it's located underneath the heat exchanger. Usually found right against the engine f...
A carbuncle is a cluster of boils, draining pus onto the skin. It is usually caused by bacterial infection, most commonly with Staphylococcus aureus or Streptococcus pyogenes, which can turn lethal.
Boils and carbuncles are skin infections usually caused by Staphylococcus aureus bacteria (staph). These staph infections form pockets in the skin that are filled with pus, a fluid that includes bacteria, dead skin cells and infection-fighting white blood cells. A boil, also called a furuncle, begins as a painful infection of a single hair follicle.