DEF stands for diesel exhaust fluid, and it is mandatory for all semi-trucks to use it in the United States. Here's why and ...

Problem: DEF Contamination. Dirt, rust and other particles can cause abrasion on internal components. Having too much or too ...

You need several components to make the system work, including: A tank that can hold about 5 gallons of DEF. A heater to help prevent it from freezing if you drive in areas where the temperatures ...

One of the systems that needs routine cleaning is the Diesel Exhaust Fluid (DEF) / AdBlue® / Selective Catalytic Reduction (SCR) system. Rislone has just the thing with its new DEF Crystal Clean ...

In this video, we explore the consequences of accidentally adding DEF fluid to a diesel tank, which contaminated the entire fuel system of a low-mileage truck. A professional assessment was conducted ...

Under certain conditions, the water in DEF can evaporate, leaving behind white crystal urea deposits. Over time, these crystals can build up, clogging system components and interfering with normal ...

DEF stands for “diesel exhaust fluid,” also known by the brand AdBlue®. It’s a chemical used in the SCR system of modern diesel vehicles to convert the harmful nitrogen oxides in vehicle ...

Under certain conditions, the water in DEF can evaporate, leaving behind white crystal urea deposits. Over time, these crystals can build up, clogging system components and interfering with normal ...