![]() Then, with a cool engine, I drained the radiator and ran a garden hose into the top until everything started looking clean. I removed the overflow bottle (not hard), and punched a hole in that little grate so I could pressure wash it. My radiator had recently been replaced when I bought it, but the antifreeze looked like mud. ![]() If you can prove they ruined your motor, they guarantee you'll get your $13 back. I can mix urine and motor oil, but that doesn't make it a good thing to put in my expensive engine. There are no shortage of fluids that say "mixes with any color", or "compatible with every brand". Get it from Mopar if you can't find that exact thing. There have been many stings on these shops, and they put cameras under the hood and under the rig, and they find out that not only don't they flush it, they top it off with the wrong stuff.īuy a gallon of the stuff they tell you to use. They don't even flush the toilet after they take a crap, much less flush your radiator. You should consider whether the information is appropriate to your needs, and where appropriate, seek professional advice.Midas will piss in your radiator, if you're lucky, and top it off with whatever cheap crap they have to make the coolant reservoir look good. Please note the information contained on this page is general in nature and does not take into account your specific needs or circumstances. If you have ever wanted to learn how to carry out preventative maintenance, then this course is for you. The result: a safer journey with fewer breakdowns and repairs. MTA Queensland’s Vehicle Maintenance course is designed for those who are interested in gaining valuable information and learning good practices for everyday vehicle use. Find out which coolant is recommended and stick to it. It is always best practice to follow their recommendations and guidelines. Vehicle manufacturers spend a lot of time developing their products and testing them to determine what fluids, including coolants, should be used. A severely overheating engine, for example, can suffer a cracked block – a very serious issue that will result in either a very expensive repair or the need for a replacement engine. Damage here will affect the ability of the system to perform properly and that can see the development of major problems. Use of incorrect coolant can cause corrosion, channel blockages, mineral deposits and scaling within the cooling system, all of which can lead to some nasty damage to system components. WHAT IF I PUT THE WRONG COOLANT IN MY ENGINE? A qualified mechanic will also be able to help determine which coolant is appropriate. Alternatively, a vehicle brand dealership will have the information. The information on which coolant is correct can usually be found in the vehicle owner’s manual. Automakers specify a particular type for their vehicles – there is no ‘once-size-fits-all’ solution – and different types of coolant should never be mixed. This means it is important that an owner know, from composition rather than colour, which coolant is required for their vehicle. However, while the colour was once a reliable marker of coolant type, this is no longer strictly true. The colour of coolant was, at one time, pretty relevant to the composition of the solution, with green signifying an IAT coolant, red or blue an OAT coolant, and yellow and orange the HOAT coolants. There are effectively three types of coolant available: those with inorganic additives (known as IAT or Inorganic Acid Technology coolants) those with organic additives (known as OAT or Organic Acid Technology coolants) and those that are mixture of both (known as HOAT or Hybrid Organic Acid Technology coolants). The coolant also contains ingredients that are designed to prevent corrosion, rust, and the build-up of scale – all of which could cause significant damage to the cooling system and engine. It is moved on to the radiator where it is cooled and then is pumped back through the system once more.Īdditives in the coolant, along with the pressurized nature of the cooling system itself, give the solution a low freezing point and a high boiling point. OPENING DOORS TO THE AUTOMOTIVE INDUSTRYĬoolant (also known, rather confusingly, as antifreeze) is the water-based solution in an engine’s cooling system that is used to keep the engine from either overheating or, if you live somewhere particularly chilly, from freezing.įlowing in a continual loop through the cooling system, the coolant is pumped through channels and pathways that surround the engine block where the cylinders and pistons are housed and draws heat away from the engine.
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