![]() Marty Martinelli, national account sales manager at PEAK Commercial & Industrial, states, “The challenges today are about the higher coolant temperatures due to the addition of exhaust gas recirculation valve. Then even with the right percentage mix, optimum cooling cannot occur.” However, if step one (4Cs) is wrong, then the cooling system is compromised and heat exchange cannot occur as engineered. Both these coolants have inhibitors that are used up much faster than those in a NOAT or OAT.”ĭilley goes on to say, “Heat is controlled by the mix of glycol and water, if it is the wrong mix, the amount of heat removed is changed and engine will not run optimally. ![]() ![]() New trucks typically come with nitrated organic acid technology, yet to save on initial cost of purchase, that coolant is topped up with inorganic additive technology conventional or IAT with SCA. says, “There is confusion around which coolant should be used, their advantages and why are there different costs and colors. Charge intervals also need to be understood as they may impact filter changes.” Clearing up confusion, mitigating heatĬolin Dilley, Ph.D, director of technology for Prestone Products Corp. Long-life organic acid technology coolants use filters that remove contaminant but do not have a chemical charge. Standard coolant typically requires ‘charged’ coolant filters with supplemental coolant additives. It is important to know which type of coolant is in your radiator and match it to the correct coolant filters. Coolant filters are by-pass type filters, they take a portion of the pump output and direct it through the coolant filter, which in most cases, has an orifice to control said flow. Gaither explains, “Cooling systems are a closed circuit from the water pump to the engine to the radiator. ![]()
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