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Q: I live in an area where water has a very high mineral content, so I have always tried to use distilled water in the cooling systems. Now I would like to flush the coolant in all of the vehicles but ...

The saying goes something like this: “When you take care of something good, that something good takes care of you.” The same can be said for taking care of maintenance on a heavy duty engine. Whether ...

You should do three things to keep your cooling system in good shape: Check for leaks. Replace worn hoses before they split. Flush the system and change the coolant at least once a year or every ...

Anyone remotely familiar with diesel engines understands the importance of oil and coolant, as they are the lifeblood of the powerplant. Oil lubricates, water cools—and one without the other typically ...

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 ...