Do you drive a commercial truck? If so, you may sometimes put off maintenance, and if you have a coolant leak, you might have to add coolant until you can determine the cause of the leak and fix it. This can sometimes take a while if you are a contractor in the middle of a project and can’t afford to put your truck in the shop for repairs. To save money, some people add water to a heavy-duty truck in Texas, instead of coolant. However, this can be a bad idea for several reasons.

Hot Weather

If you have ever experienced summertime in Houston or San Antonio, you know how hot and miserable this time of year can be. Driving a heavy-duty truck in Texas in hot weather can cause the engine temperatures to rise considerably. If you have the proper mixture of coolant in your engine, you won’t have to worry about boil over problems. Top grade truck engine coolants have special additives that resist extreme weather heat buildup which can lead to overheating. An engine running with diluted coolant (or just water) doesn’t have this kind of protection in summer.

Cold Weather

Although summers are often mild in this part of the country, we can get sudden cold snaps that drop temperatures to as low as 20 degrees Fahrenheit or lower in Northern and Central regions. Coolant prevents freeze-ups that can crack radiators and engine blocks in a heavy-duty truck in Texas.

Even if you have the proper mixture of coolant and water, you can greatly increase your chances of developing cooling system corrosion if you use tap water. When you add water, make sure to use distilled water that doesn’t have all the minerals you find in standard tap water. This will give your truck’s engine longer service.

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