Your cooling system is responsible for, well, just that. Cooling your engine. Combustion in your engine can reach to temperatures of 4,500 degrees F. Very very hot so it is crucial to keep your engine properly cooled to prevent irreversible damage to your engine. This includes coolant/antifreeze flushes, coolant hoses, radiator, thermostat, water pump, or heater core replacements. Coolant also has an antifreeze property, that prevents freezing during winter time. Healthy coolant means healthy cooling, and resistance to freezing. The engine cooling system, is also responsible for generating heat for your cabin heater. If you have no heat coming from your blower, this can also indicate a problem within your engine cooling system. All repairs are priced as such; Price of part, plus installation fee, plus fluid recycling (if applicable), plus old part recycling (if applicable), plus trip charge.