The first reaction when a machine malfunctions is to think of expensive, catastrophic causes. Fortunately, a deep breath and careful consideration might offer simple cures for these symptoms. Symptom: ...

Carmakers torture test their creations to make sure they won’t overheat in almost every situation imaginable—from Death Valley to the northernmost reaches of Norway. But parts break over time, and one ...

Symptom: An engine’s cooling system is overheating. The coolant level is low, but there are no visible leaks and no water in the engine crankcase to hint of water jacket or cylinder head problems.

It's not an unfamiliar sight. You'll see a car speeding down the road with what at first appears to be smoke coming out from under its body. Initially, you might wonder why the driver doesn't grasp ...