Take our quiz & meet the car you’ll love.

Coolant System

Does Engine Coolant Go Bad?

By Rick Popely on June 11, 2018

A common question beyond the walls of Cars HQ is whether or not the engine coolant of your car radiator goes bad. The short answer: Yes, engine coolant does deteriorate over time. But unless someth... Read More
How Can I Tell If My Radiator Is Leaking?

By Rick Popely on March 1, 2018

CARS.COM — How can you tell when your car’s radiator is leaking? When the temperature gauge on your dashboard reads high or a temperature warning light comes on, you have a cooling system pro... Read More
Common Radiator and Cooling-System Problems

By Rick Popely on February 21, 2018

CARS.COM — If steam is pouring from under your hood, a temperature warning light is glowing bright red on your dashboard or the needle in the temperature gauge is cozying up to the High mark, it... Read More
Should I Change the Thermostat?

By Rick Popely on February 14, 2018

CARS.COM — A car thermostat is responsible for preventing your engine from overheating. Unless an engine overheats or fails to reach normal operating temperature after being driven for several mile... Read More
What's Causing That Smell in My Car?

By Rick Popely on February 14, 2018

CARS.COM — If your vehicle is giving off an unusual or sickening odor instead of that instantly identifiable new-car smell, follow your nose and find the source of the aroma. Bad smells can lead to... Read More
How Often Should I Change Engine Coolant?

By Rick Popely on January 29, 2018

CARS.COM — When is the right time to change your engine coolant? For some vehicles, you’re advised to change the coolant every 30,000 miles. For others, changing it isn’t even on the ma... Read More
Help Your Car Beat the Summer Heat

July 6, 2017

CARS.COM — Temperatures this June hit higher than average on all but three days in parts of the U.S., according to the National Weather Service and The Weather Channel, and this pattern is expected... Read More
Why Do I Need to Change My Water Pump?

By Rick Popely on April 6, 2016

When water pumps leak or quit working they quickly cause an engine to overheat, but they generally don’t need to be replaced unless such problems develop. An exception to this is that some water pu... Read More
How Often Should I Replace My Water Pump?

By Rick Popely on April 6, 2016

With any luck, you shouldn’t have to replace a water pump even if you keep a vehicle for 10 years or more; they often last that long. Unless a water pump starts to leak, makes unusual noises or qui... Read More
How Do I Know It’s Time to Replace My Water Pump?

By Rick Popely on April 6, 2016

A water pump that leaks even a little is on its last legs, and one that makes rumbling or screeching noises is getting close. Another sign it’s about time to replace the pump is when the engine tem... Read More