Temperatures across the U.S. are tumbling, and the temperature swing can be a lot for a truck's components to handle, especially the coolant system.
For most of at least the last six months, the coolant's ability to keep operating temperatures in line has been its primary function but soon – if not already – its ability to withstand subfreezing temps will be front and center.
Chevron Lubricants Commercial Fleets Business Consultant Shelly Eckert, who joins Jason and Matt on this week's 10-44, said while a good maintenance program isn't necessarily tied to the changing of the seasons, there's no time like the present to give your coolant system a thorough checkup.
01:57 Refractometers