COOLING SYSTEM MAINTENANCE IMPACTS ENGINE HEALTH
Almost everyone understands how important a properly maintained lubrication system is to optimum engine health. But what most people don’t understand is that engine coolant and the cooling system are just as important to engine design, maintenance and optimum performance.
The demands of today’s Tier 4 engines
The demands of today’s Tier 4 engines have dramatically changed cooling system design and coolant formulation. Today’s heavy-duty diesel engines produce a tremendous amount of power from a relatively small package placing much higher demands on the cooling system to absorb heat transferred from engine, transmission and hydraulic fluids. At the same time, cooling systems have become smaller and operate at higher temperature, pressure and flow rates making efficient heat removal and adequate metal protection even more challenging.
How critical is it?
An estimated 50% of all engine failures are associated with problems in the cooling system. Once initiated, these problems can spread through the lubrication, hydraulic and transmission systems damaging components, causing scale, clogging passages and forming deposits. Yet, the cooling system is the least understood and most ... [ Read more ]
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