Elizabeth Nelson, coolant program manager at Polaris Laboratories, a fluid-analysis company in Indianapolis, Ind., tells a story that would strike fear into the heart of any fleet manager. A class-8 ...
Total dissolved solids (TDS) is a measure of additive concentration and contaminants in coolant. TDS in excess of 3 percent may promote water-pump and radiator failures. What would you guess is the ...
Coolants are the least understood fluid in a heavy duty truck engine today. But a little attention to them can avert serious problems for your fleet. Photos: Prestone If you’re a maintenance manager ...
The engines used in passenger cars and large trucks have many differences. Here's what separates heavy-duty diesel coolant ...
This story appears in the March 13 print edition of Equipment & Maintenance Update, a supplement to Transport Topics. As manager of technical development for TA and Petro travel centers, Homer Hogg ...
Cooling system problems are believed to cause about 40 percent of unanticipated downtime. Once problems from overheating start, they spread throughout the engine. Because today's lower-emission ...
Coolant is generally the most neglected fluid on a truck, and it leads to significant woes downstream. In fact, Lawrence Wong, product technical specialist for Chevron Lubricants, said about 40% of ...
Key coolant difference: Heavy-duty diesel engines need additives to prevent cavitation damage, unlike most passenger cars. Risk of wrong type: Using standard coolant in engines with wet-sleeve liners ...
Cavitation erosion or liner pitting is caused by air in the cooling system, and is aggravated by liner vibration. Bubbles implode violently, removing a little metal as they do so. Although it’s often ...
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