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

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 ...

Pro Tip: Leave the car raised while you refill the radiator to allow air pockets to escape from the engine. Slowly fill the radiator or coolant tank with fresh coolant until the coolant is 1 in.

Read more: How To Clean Your Car's Engine Bay: A Step-By-Step Guide The symptoms of coolant mixing with the engine oil typically show up in your coolant reservoir tank or on your oil dipstick.

Coolant is an essential fluid for the engine cooling system of your car. The choice between using water or coolant to maintain and regulate the car's engine temperature has divided motorists and ...