what's inside: under the hood channel

 

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.

Car Part Longevity

Car part longevity is something that affects all car owners. Car part longevity depends on a few different factors, including where you live. In this section you'll find articles dedicated to car part longevity. See more »

Diagnosing Car Problems

Diagnosing car problems may seem like a daunting task but it's doable with a little know-how. Diagnosing car problems becomes easier once you understand what to look for. In this section you'll find articles dedicated to diagnosing car problems. See more »

Explore These Categories:

Engines

The Car Engine Information Channel explores engine performance, maintenance and new fuel technologies. Learn how car engines work. See more »

Explore These Categories:

Exhaust & Emissions

This section can help you keep your exhaust system working properly. Learn how mufflers, catalytic converters and oxygen sensors work. See more »

Options

Your car may come with many standard features, but upgrade and accessory options are endless, starting with the windshield wiper blades. See more »

Steering & Suspension

The Car Steering and Suspension Channel explains the systems that help keep your car driving smoothly and precisely. Learn about auto suspension and steering. See more »

Other Systems

Learn about the various electrical and other systems that lurk under your hood, including cooling systems, ignitions, wires, fuses and connectors. See more »

Transmissions & Drivetrain

Upkeep of your transmission may save you money in the long run. Learn manual and automatic transmission basics, then move on to clutches, differentials and torque converters. See more »

Trends

How do self-parking cars and car computers work? What is drifting? Read the answers to these and other questions in the Trends & Innovations Channel. See more »

featured articles

FPO

How OnStar Works

Its critics call the popular telematics service "Big Brother" and claim that it can lead to an invasion of privacy. Explore the technology behind OnStar and learn about the controversy.

you might also like...

FPO

How Convertibles Work

Warmer weather means convertible season -- ever wonder what's behind that thrilling ride? How is it that a car can go from everyday coupe to sporty convertible at the push of a button? Find out.

FPO

How Fuel Gauges Work

Has your fuel gauge ever read "empty" when you know there are gallons left in your auto's tank? Learn all about how fuel gauges work and how to know when "Empty" means "No seriously get gas."