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 ...

Responsible car ownership means checking your fluid levels at least once or twice a month. If you are a first-time diesel engine owner, you may wonder if it's safe to use regular coolant in your ...

Organic acid technology (OAT) coolants have been around for more than three decades and offer proven cost savings and performance benefits. They’ve become the preferred option for most heavy-duty ...

Some aspects of vehicle maintenance get a lot of attention, and some get almost no attention at all. For example, regularly checking your oil level and changing the oil and oil filter are probably not ...

The coolant in your car's radiator is not a forever liquid. Consumable fluids like engine oil, automatic transmission, and brake fluid need periodic replacement to keep your vehicle running reliably ...

The liquid coolant in your car is a critical aspect of the vehicle and plays an important role in proper functioning and operation. During the winter months, when temperatures drop extremely low, some ...