Six types of engine coolant are:. IAT engine coolant is green. It is made with ethylene glycol with silicate and phosphates added to prevent corrosion. As an older formula, it is not as efficient as some newer types of engine coolant. If your car requires IAT coolant, you will need to flush it and replace it approximately every two years or every 24, miles.
OAT engine coolant is made with a propylene glycol base. Organic acid technology OAT engine coolant is usually orange in color, but it can come in other colors like dark green. Always double-check the label to ensure you do not accidentally grab a color that is a different coolant type. OAT uses organic acid to help protect your engine from corrosion. As a more modern formulation, OAT coolant only needs to be drained and changed every five years or every 50, miles.
Hybrid organic acid technology is one of the three main categories of engine coolant, and it has several subcategories. HOAT coolant was traditionally yellow. You can find HOAT coolant in yellow, orange, green, pink and blue.
HOAT uses both silicates and organic acid to protect your engine and combat corrosion. It should be swapped out at the same interval as OAT coolant: every five years of every 50, miles. Phosphate-free HOAT is usually turquoise in color.
This NAP-free formula, made with ethylene glycol, contains organic and inorganic corrosion inhibitors to protect your engine. It does not contain phosphates, such as nitrite, nitrate and borate.
It is also a low-silicate formula. The coolant is usually either pink or blue. Due to heat transfer issues, Asian car manufacturers require the use of this type of coolant. Silicated HOAT is usually recognizable by its vibrant purple color. It uses silicates and organic acids to inhibit corrosive action in your engine. Its formula is free of nitrites, nitrates, phosphates, borates, amines and imidazole.
Instead, it uses silicate, organic technology. The coolant offers protection for five years or , miles in the case of light application. In the case of heavy applications, this formula protects for three years or , miles.
If you are committed to DIY engine coolant maintenance, make sure you keep track of your miles and your time. Proactive maintenance means a happier car, a happier driver and a happier wallet. Note, if your car has been retrofitted with newer or different parts, this could affect the type of coolant it needs. Always do your research to ensure your car is kept in the best running condition as possible. The best engine coolant for your car depends on the vehicle type, age and place of manufacture.
Know the make and model and year of your vehicle will help you select the right coolant. Choosing the wrong product can result in poor performance or worse instant engine failure. Follow these tips to make sure you make the right choice. Different colors of coolant correlate with different car compatibility. There are other brands designed for specific car types and country of origin, which can have a variety of colors that can be confusing. And because coolant-related problems happen inside the motor, you might not realize the damage being caused unless you look at the cooling passages and the internal heat-transfer surfaces of the engine.
The amount of time between coolant changes has been steadily increasing as engine technology improves. As recently as two decades ago, changing your coolant every two years was the standard recommendation. Then, about a decade ago, that span increased to five years. In fact, some vehicles are filled for life. But the one thing they all have in common is that they need to be protected. An error occurred while submitting your email address to the mailing list.
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Programs available at select locations. Department of Veterans Affairs VA. More information about education benefits offered by VA is available at the official U. Entry-level salaries may be lower. 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 June 2, 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 June 2, 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 June 2, 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 is an educational institution and cannot guarantee employment or salary. 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 June 2, 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 June 2, For details, contact the program representative at the campus you are interested in attending. 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.
See Table 1. Cars and Driving Car Servicing Car maintenance tips and advice. What if I have to continually top up the engine coolant? The main components of a car cooling system Radiator with pressurised cap Overflow bottle Thermostat Cooling fan Coolant is a mixture of water and chemicals designed to prevent corrosion inside the engine.
Cooling system checks should be part of routine maintenance Check your coolant level every time you refuel Never remove the radiator cap on a hot engine If your car has overheated, pull over and call for assistance.
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