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.

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Visiting a junkyard could mean finding a quarter-panel for a dinged VW Beetle or salvaging a motor from a totaled new-model sedan. But what about gangster cars or even space junk?

By Terri Briseno

Classic cars have been an American passion since the 1950s, and the hobby demands a lot of time and attention. Unfortunately, sometimes a car is a goner, and there's little you can do to save it. How do you know when it's time to call it quits?

By Jacob Clifton

Floods have drenched much of the U.S. in recent years, and when subject to deep flood levels, soaked cars are often classified as totaled and are demolished. Some flooded automobiles, though, end up on used car dealer lots. How can you spot one?

By Cherise Threewitt

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You'd like to learn how to polish the aluminum valve covers on you car's engine and restore their shine. Let's show you in this article how to polish aluminum valve covers.

By HowStuffWorks.com Contributors

You want to check ball joints, but you're not sure how to do it. Learn about how to check ball joints in this article.

By HowStuffWorks.com Contributors

Would you like to find out the history of your vehicle? Learn about how to find the history of a vehicle in this article.

By HowStuffWorks.com Contributors

Learn how to clean your leather car seats and your car will feel like new. Learn about how to clean leather car seats in this article.

By HowStuffWorks.com Contributors

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There is a sudden vibration in your car and you suspect it's time to learn how to clean the wheel bearings. This article will save you money by teaching you how to clean wheel bearings.

By HowStuffWorks.com Contributors

A good dealer can restore flood-damaged cars so that they look almost new, but don't let the good looks fool you. Buying a damaged auto can be a huge risk or a budget buy. So, how do you decide whether to gamble on a car with a watery history?

By Denise Harrison

Visit an online classifieds Web site, and mixed into the glowing descriptions of vehicle histories are two words that can quickly throw a wrench into your dreams of finding the auto deal of the century: "salvage title." What does this mean?

By Matt Cunningham

If you're wondering if you need tire warmers for your motorcycle, there's just one question you should ask yourself: street or track? For one of these, tire warmers are an important piece of safety equipment. So which one is it?

By Garth Sundem

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If you're planning to be away from home for an extended period and no one will be using your car in the interim, it's important to know how to properly store your car's battery. Read this article to learn how to store a car battery.

By HowStuffWorks.com Contributors

If you know how to install lowering springs you can improve your car's handling as well as the comfort of the ride. In this article we will discuss how to install lowering springs.

By HowStuffWorks.com Contributors

Junkyards salvage parts and whole vehicles for reuse, crush stripped or intact autos into scrap metal, and serve as a final resting place for wrecked cars. But is it worth your time to rummage through one to find an old replacement part for your car?

By Terri Briseno

You may need to learn how to gap a spark plug if you get a new one for your car's engine. Learn how to gap a spark plug in this article.

By HowStuffWorks.com Contributors

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You're sick and tired of your car getting stolen, so you've decided to learn how to install a car alarm in your car. Learn how to install a car alarm from this article.

By HowStuffWorks.com Contributors

You'd like to learn how to do a front end alignment. This article will tell you how to do a front end alignment.

By HowStuffWorks.com Contributors

It's not hard to learn how to match auto paint exactly. Learn about how to match auto paint in this article.

By HowStuffWorks.com Contributors

You can put water in a car radiator if you exercise caution and know a bit about car maintenance. Learn about how to put water in a car radiator in this article.

By HowStuffWorks.com Contributors

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The difference between hot and cold spark plugs lies in their ceramic insulation. Learn how hot and cold plugs are different in ignition systems in this article.

By HowStuffWorks.com Contributors

You need new tires, and would like to measure your car's tire size before going shopping. Here is a guide how to measure car tire size.

You'd like to learn how to use a dial bore gauge so you can measure the inside diameter of a pipe. This article will teach you how to use a dial bore gauge.

By HowStuffWorks.com Contributors

You're having difficulty braking and you realize you have to install a new the proportioning valve to your master cylinder. Follow the steps outlined below to learn how to install a proportioning valve to a master cylinder.

By HowStuffWorks.com Contributors

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Some tires are built to handle mud and snow… and some are not. Learn about mud and snow tire designations in this article.

By HowStuffWorks.com Contributors

Would you like to tint your car windows yourself, but are not sure how to apply the car window tint? Learn how to apply car window tint in this article.

By HowStuffWorks.com Contributors