Coolant needs changing because chemicals in the coolant break down and become less effective over time. This use ends up ...

For those not in the know, engine coolant's primary function is to prevent your engine from overheating. If the coolant is too hot, your engine is far more vulnerable to a catastrophic failure.

Here's how to check the six essential fluids in your car. After fuel (unless you have a fancy EV), oil is your car's most ...

Most vehicles now employ an expansion tank that allows the coolant to expand, and exit, the cooling circuit when hot, and to return when the car is turned off and the engine cools. The cooling ...