Nissens Marketing Manager Jan Zieleskiewicz said: “Every vehicle powered by a combustion engine, and that therefore includes hybrids, needs effective thermal control of the engine, which means not only cooling to prevent overheating, but also the quickest possible build-up in temperature to reach and then be maintained at the optimum level. “Naturally, the combustion process causes very high temperature ranges, exposing the engine’s block and its equipment to an extremely high thermal stress. Furthermore, turbocharged combustion systems also need sufficient air cooling to obtain the right charge performance, and manual gearboxes, as well as power transmission units all need active engine management to ensure each component is operating at its design temperature to ensure the optimum performance of the whole powertrain. “To achieve these sometimes conflicting objectives increasingly requires electrical sensors, which itself reflects the growing number of electronically controlled components utilised in modern vehicle design. As a result, Nissens added engine coolant and oil temperature sensors to its range of thermal management solutions and these introductions mirror the company’s ongoing focus on vehicle electrification and follows its launch of high voltage A/C compressors, E-actuated turbochargers, EGR valves, fans, fan clutches, blowers and electric water pumps, in its electrified parts portfolio. Sensors are, however, only part of the story, as components as diverse as radiators, oil 36 AFTERMARKET JULY/AUGUST 2023 COOLING www.aftermarketonline.net coolers, fans, expansion tanks, water pumps and fans all play their part in the thermal control side of engine management.” Jan added: “Nissens offers education in various forms, and has also further expanded its NTC training concept, an educational solution for automotive professionals in the field of air conditioning, engine cooling, efficiency, and emissions.” For more information, visit: ntc.nissens.com Solution Commenting on current cooling trends, Dayco National Sales Manager Steve Carolan observed: “Automotive Aftermarket Suppliers Association (AASA) 2020 report data showed that over a five-year period from 2014, the average thermostat failure rate steadily increased to almost 5%. At the same time, the percentage of vehicles fitted with integrated thermostat housings and MAP thermostats, rather than a traditional thermostat design, had grown from 55% to 80%. “Integrated housings like this are complex products and this directly affects their predicted service life and crucially, their cost, which is why they should not be considered an ‘anything will do’ product, as the quality will directly affect both their ability to operate within the VM’s strict performance parameters and their expected service life, so OE quality must be the benchmark.” He continued: “Over the last few years, VMs have also moved to integrate the water pump into the primary drive system, rather than it being driven by the auxiliary belt. REAL COOL TIME As vehicles change, the shape and role of the cooling system has been adapted
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