Coolant acts as an antifreeze, protects it against corrosion and overheating of the engine. So, how should one tend to the needs of such a crucial fluid?

If you want to keep your car running in great condition, you'll want to flush your radiator from time to time. See the best radiator flushes here.

After you've driven your car for a few days, check the liquid level in the recovery system reservoir again, adding equal parts water and coolant to the reservoir if the level is low.

Now I would like to flush the coolant in all of the vehicles but I am unsure how to do this as all the flush instructions show using a garden hose hooked up to the water supply.

Advice about how to maintain a truck's coolant system, including information about picking the right fluids and maintenance schedules.

Antifreeze is a compound within an engine coolant that mixes with water to maintain a level engine temperature. Learn more on how to dispose of antifreeze.

Flush the system and change the coolant at least once a year or every 20,000 miles, whichever comes first, unless your vehicle has the new extended-life coolant that lasts for five years.

A cheaper and quicker alternative to flushing the entire cooling system or replacing the oil cooler is to “back flush” the unit, and Xtreme Diesel Performance offers a cool kit that’s ...