Tip: Many vehicles have a pressurized coolant recovery system called an expansion tank that makes opening the radiator unnecessary. These systems are considered "sealed" because the safety pressure ...

Meh, your 4x4’s cooling system is simple…as simple as fluid dynamics, thermodynamics, heat transfer, material properties, specific heat, ideal gas laws, and a few more aspects of physics can be.

Along with power, internal combustion engines make heat. They actually create so much heat that if it isn’t adequately channeled away, it can potentially damage an engine beyond repair. To solve the ...

Q. I have a 1999 Ford Econoline van with a 4.6-liter, V-8 motor. This motor has a cooling-system reservoir but no radiator cap. If I add Bar’s Leaks, do I pour this into the coolant reservoir? If so, ...

Do coolant leak stop products actually work, and which are the best radiator stop leaks you can get in 2026?

Falling victim to radiator boil over or having your engine vapor lock while cruising through town is never a good thing. Finding yourself in the left turn lane at a red light with the engine ...

OK, so the cooling system on your truck is not nearly as sexy as those new shocks or lights. The cooling systems on your rig, however, are much more complicated than it may seem. It’s also far harder ...

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’s ...

Some aspects of vehicle maintenance get a lot of attention, and some get almost no attention at all. For example, regularly checking your oil level and changing the oil and oil filter are probably not ...

While new vehicles may have a “lifetime” coolant, there are some exceptions.