Cool It!

Heat is the unavoidable byproduct of power generation, and hardworking or trucks need all the cooling capacity they can get. That’s why it’s Important to understand that your truck depends on three separate fluids to dissipate heat: engine oil, automatic transmission fluid (ATF), and antifreeze/coolant, If any one of these systems underperforms, the whole system will suffer. We’ve just discussed the role of engine oil above. As for coolant, it’s best to buy a high-quality brand that resists the buildup of rust and scale in the water jackets of the engine block and heads as well as the radiator Check the condition of the coolant at regular intervals with an inexpensive coolant system checker, available at any auto parts store.
A mixture of 50 percent water-50 percent antifreeze is a good compromise that will cover most situations. A fresh 50-50 solution will deliver boil-over protection to 265° F and freeze-up protection down to -35° E II’ you live in an area that experiences severe winters, you might want to use a 35 percent water-65 percent antifreeze solution, which will provide protection down to -67° E.

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