Coolant: What it Does and Why It's Important
Jan 05, · Your Cooling System is an Essential Part of Your Vehicle. Many drivers understand that their vehicle requires coolant, but some drivers aren’t sure which type to use—or what coolant is in the first place. Much like oil, coolant serves the basic function of transferring heat and adding antifreeze protection. Depending on your type of vehicle, you may need a coolant with specialized additives, a coolant formulated for specific manufacturers, or a coolant designed for high-mileage cars. Jul 07, · Car coolant, also known as antifreeze, protects engines from overheating. Coolant also lubricates the moving parts it comes into contact with, which protects damage to the water pump, head gasket, the cylinder and piston timing.
Coolant does raises the boiling point of the cooling system in summer, how to remove digital signature certificate in pdf the freezing point in winter, and protects the engine and cooling system from corrosion.
These functions keep the engine from overheating or freezing when driving in extreme climates. Coolant needs changing because chemicals in the coolant break down and become less effective over time. This use ends up generating rust and sludge, which can damage the cooling system. If the cooling system becomes damaged, you risk the possibility of the engine overheating—a much costlier mistake than paying for a coolant flush.
It would be convenient if every manufacturer used the same coolant, but they don't. Typically, older cars use IAT. It needs to be changed every two years or 24, miles, making it far inferior to newer formulas. One of those newer formulas is OAT.
General Motors vehicles use this formula and normally require a change after five years or 50, miles. Plenty of others like BMW and Volkswagen do the same thing. Not every manufacturer does this though. All GM cars use something called Dex-Cool from the factory. Ford meanwhile, uses Motorcraft.
Years ago coolant was always sold as pure coolant, and you'd have to dilute the fluid yourself with water. The pre-diluted stuff is more convenient of course, but you end up paying a lot more for less coolant. In addition to the OE options, auto parts stores will carry several different aftermarket brands of coolant.
Companies like Prestone, Pentafrost, Peak, and others all offer versions that they say work for specific brands or countries in general the country a car is made in is typically a good predictor for which coolant type it takes. The truth is, color is not a reliable predictor for what type of coolant you have. For example, OAT coolants are usually orange, yellow, red or purple. HOAT coolants are orange and yellow for the most part. Then the older IAT coolant is green.
But none of this helps if you forget the process in a few years time. So keep notes on the coolant you used and when, so you're prepared when your engine inevitably needs flushing a few years down the road. Type keyword s to search. Today's Top Stories. Everything a Fighter Pilot Wears in the Cockpit. Finding the Right Fluid. Lubo Ivanko Getty Images.
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What happens to an engine with no coolant?
Feb 25, · Coolant is a mixture of distilled water and ethylene glycol. Also referred to as antifreeze, its primary function is to absorb the extreme heat generated by a running engine. Coolant is introduced to the engine block and its components through a reservoir affixed to the radiator. When the engine is running, the coolant continuously circulates through the engine and back through the radiator. Jan 15, · Basically, coolant or antifreeze, which mixes with water in an engine’s cooling system is designed to both lower the freezing point and raise the boiling point of the system. This means, by adding coolant/antifreeze to your car’s cooling system you’re able to increase the temperature a vehicle can run at before the cooling system will boil. Engine coolant, also known as antifreeze, is mixed with water to keep the radiator from freezing in extreme cold and overheating in extreme heat. There are many different types of coolant, so it’s important to know what variety is right for your car or truck.
As the source of power for cars, engines get extremely hot. Without proper protection, an engine can wear down and even melt, which can cost thousands of dollars to replace. Car coolant, also known as antifreeze, protects engines from overheating. Coolant also lubricates the moving parts it comes into contact with, which protects damage to the water pump, head gasket, the cylinder and piston timing. Omar learned about car coolant as a UTI student himself. Wondering what is car coolant exactly?
Coolant transfers heat and adds antifreeze protection to an engine, so your car can stay running in optimal condition.
Internal combustion engines create energy by burning fuel. Part of this energy is harnessed by the engine and is used to move the vehicle forward. The remaining energy is converted into heat.
A portion of this heat leaves the engine through the exhaust. The rest remains in the engine block itself. A considerable amount of engine failures are related in some way to engine cooling problems. To protect the engine and to keep it running at the ideal temperature, engine coolant is used.
Engine coolant is used in conjunction with a liquid cooling system. The liquid cooling system is made up of several components. All automotive coolants are glycol-based. Common coolants consist of a mixture of ethylene glycol with additive packages and some water. Another glycol-based coolant consists of propylene glycol and water. The major difference between the two types is that propylene glycol is less toxic. Pure water has more heat-carrying ability than pure ethylene glycol, so water would be the best coolant to use if the only consideration in the selection of coolant was its ability to carry off heat.
But water presents other challenges. It forms rust on iron engine parts. The rust is then carried off to other cooling areas.
The resulting corrosion interferes with heat transfer even before the build-up plugs the radiator and fills the cooling system with sediment. Coolant helps reduce corrosion and engine rust. Coolant also provides resistance to freezing. That protects your engine from cracking and experiencing increased pressure. Inorganic acid technology IAT coolant is the conventional coolant that was used on older vehicles for many years.
This type of coolant needs to be changed more frequently because it tends to lose its qualities faster. This coolant can come in either a green or yellow color. There are several brands of organic acid technology OAT coolant. They are available in several different colors, ranging from dark green and orange, to pink and blue.
HOAT is a popular coolant used in a majority of new vehicles. Choosing the wrong product can result in poor performance or engine failure. That depends on your vehicle. Generally, the coolant system should be flushed and changed at least every 50, miles. Some newer models may require coolant servicing at every 10, miles.
If you notice the coolant has foreign objects floating in it or looks rusty or colorless, it should be flushed and refilled. The wrong coolant can lead to component damage and corrosion, which can negatively impact a vehicle long-term.
The effects are sometimes latent, meaning it can be a year before plugging, deposits and corrosion damage causes a problem. A malfunctioning coolant system can cause a radiator to be badly corroded or full of plugging internal deposits.
People might think a radiator failed, when really the incorrect coolant was used. Students of all skill levels in the program learn the knowledge they need to become an entry-level auto technician for a variety of employers. With a clear intention and the right mindset needed to carry it out, a rewarding career is inevitable. Contact UTI for automotive school information online or call to talk with a representative.
Want to pursue a career that's in demand? Becoming a technician in the automotive field might be right for you. The need for qualified technicians has continued to grow, but don't take our word for it. Click here to learn about some of the top skills employers look for when hiring automotive technicians.
Thinking about becoming an auto tech? Learn about how long it takes to become an automotive technician, salary, job outlook and more. This rate excludes graduates not available for employment because of continuing education, military service, health, incarceration, death or international student status. The rate includes graduates who completed manufacturer-specific advanced training programs and those employed in positions that were obtained before or during their UTI education, where the primary job duties after graduation align with the educational and training objectives of the program.
UTI is an educational institution and cannot guarantee employment or salary. Individual circumstances and wages depend on personal credentials and economic factors. Work experience, industry certifications, the location of the employer and their compensation programs affect wages. Awards vary due to specific conditions, criteria and state. Bureau of Labor Statistics, Employment Projections , www. Job openings include openings due to growth and net replacements.
Special conditions may apply. Talk to potential employers to learn more about the programs available in your area. Department of Veterans Affairs VA.
More information about education benefits offered by VA is available at the official U. UTI programs prepare graduates for careers in industries using the provided training, primarily as automotive technicians. Some UTI graduates get jobs within their field of study in positions other than as a technician, such as service writer, smog inspector and parts manager.
North Carolina salary information: The U. The Bureau of Labor Statistics does not publish entry-level salary data. Bureau of Labor Statistics, U. Automotive Service Technicians and Mechanics, viewed September 14, UTI programs prepare graduates for careers in industries using the provided training, primarily as welding technicians.
Some UTI graduates get jobs within their field of study in positions other than as a technician, such as certified inspector and quality control. Welders, Cutters, Solderers, and Brazers, viewed September 14, UTI programs prepare graduates for careers in industries using the provided training, primarily as collision repair technicians. Some UTI graduates get jobs within their field of study in positions other than as a technician, such as appraiser, estimator and inspector.
Automotive Body and Related Repairers, viewed September 14, UTI programs prepare graduates for careers in industries using the provided training, primarily as diesel technicians. Some UTI graduates get jobs within their field of study in positions other than as a diesel truck technician, such as maintenance technician, locomotive technician and marine diesel technician. MMI programs prepare graduates for careers in industries using the provided training, primarily as motorcycle technicians.
Some MMI graduates get jobs within their field of study in positions other than as a technician, such as service writer, equipment maintenance, and parts associate. Motorcycle Mechanics, viewed September 14, MMI is an educational institution and cannot guarantee employment or salary. MMI programs prepare graduates for careers in industries using the provided training, primarily as marine technicians.
Some MMI graduates get jobs within their field of study in positions other than as a technician, such as equipment maintenance, inspector and parts associate. Motorboat Mechanics and Service Technicians, viewed September 2, UTI programs prepare graduates for careers in industries using the provided training, primarily as CNC machining technicians.
Some UTI graduates get jobs within their field of study in positions other than as a technician, such as CNC operator, apprentice machinist, and machined parts inspector.
For program outcome information and other disclosures, visit www. The projected average number of annual job openings, by job classification is: Automotive Service Technicians and Mechanics, 61, The projected average number of annual job openings, by job classification is: Welders, Cutters, Solderers, and Brazers, 43, The projected average number of annual job openings, by job classification is: Bus and Truck Mechanics and Diesel Engine Specialists, 24, Universal Technical Institute of Illinois, Inc.
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