8/15/2023 0 Comments Coolant engine factory![]() But by far the simplest and easiest thing to do is to use Prestone High-Performance Coolant/Antifreeze. Well, you could it take to a mechanic who will be able to work out which type of coolant is currently in the engine. So what do you do if you need to top up your car’s cooling system? Given the very real danger of adding the wrong type of coolant to the reservoir, it isn’t worth taking the risk unless you’re absolutely sure. For instance if you buy a used car, it’s incredibly difficult to tell what type of coolant is in the system unless you drain and flush the system, and whether or not it’s safe to top up the reservoir with a fluid of the same colour. The fact that drivers can no longer distinguish different types of coolant by colour is a problem. In fact if they’re added into a cooling system together the results can be catastrophic, creating a gelatinous substance that blocks the system and causes widespread damage to internal components. To learn more about the different types of coolant, read our guide to different coolant/antifreeze colours.įirst, what’s important to know is that many IAT and OAT coolants do not mix. Products like these offer advanced corrosion and heat protection, not to mention an incredible longevity of up to 300,000 miles. Newer more advanced and premium coolant/antifreeze like Prestone are based solely on the OAT chemical make-up. There are also ‘hybrid’ coolants that use a blend of OAT and IAT compounds. Generally coolants are divided into two separate camps: organic acid technology coolants (OAT) and inorganic additive technology (IAT) coolants. This can make things a little trickier when it comes to choosing different brands of coolant/antifreeze and mixing them in your cooling system. But unlike the original red and blue variants, the colour you choose might not be the right one for your vehicle. Today coolants come in a range of colours from green to orange to pink. Historically coolant/antifreeze came in either red or blue – these colours told us about the specific formula and ingredients of each product, but this is no longer the case. What Are the Different Types of Coolant for Your Car? ![]() Mixing and Using Coolant/Antifreeze: Dos and Don’ts to Remember.What Are the Different Types of Coolant for Your Car?.Use the links below to get the advice you need or read on for the full guide. If you need to top up your car’s coolant/antifreeze tank, before you do anything be sure to read our guide on the dos and don’ts of mixing different types of coolant/antifreeze. There are also a number of potential risks, and the damage that can occur to your car if you get it wrong can be considerable. Air passing over the radiator fins makes it happen.There’s a lot of confusion about mixing different coolant products, specifically if it’s safe and recommended for optimal engine performance. Once the heated coolant reaches the radiator, it needs to dissipate immediately. One other heat contributor is airflow, or, to be more precise, the lack of it. If you factor in temperature and humidity, it becomes easy to see how the cooling system becomes overloaded. At 5,000 feet, the boiling point is 201 degrees F, and at 10,000 feet it's 193 degrees F. The water in the radiator will begin to boil much sooner. This makes the engine generate all kinds of extra heat as it's working harder to do less. This means your engine is trying to do the same with less than half the available horsepower it originally had at sea level. ![]() Your engine's compression pressure is now 120 pounds per square inch after compression. Then, you drove up Pike's Peak to 14,000 feet above sea level. The compression pressure is now 194 pounds per square inch after ignition. But you just drove to Denver, Colorado, which is 5,280 feet above sea level. At sea level, your stock engine has a compression pressure of 256 pounds per square inch after ignition (with 8.0:1 compression ratio). The density of the surrounding air affects the amount of horsepower potentially available. The engine itself is also affected by atmospheric pressure. Atmospheric Pressure, Radiators, Mechanical Fans & Thermostats
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