WHAT'S INSIDE: UNDER THE HOOD

The Under the Hood Channel explores the systems that make your car function correctly. Learn about car parts and systems and how to do routine maintenance.
  • Aftermarket Accessories & Customization
  • Auto Manufacturing
  • Car Part Longevity
  • Car Trends & Innovations
  • Cost of Car Ownership
  • Diagnosing Car Problems
  • Engines
  • Exhaust & Emissions
  • Motorcycle Parts & Accessories
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FEATURED: UNDER THE HOOD

Be Your Own Mechanic

Mazda has been using this type of engine in some of its cars for several years. Learn what a Miller-Cycle engine is and how it works.

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How Automatic Braking Systems Work

Most auto manufacturers want to make it clear that they're not trying to take driving away from the driver. But research shows that we could use a little help in the braking department.

How long should a car's A/C compressor last?

While it's difficult to determine the lifetime of any one specific component, there are some factors that help determine how long your car's A/C compressor will be able to do its job.

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