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.
10 Popular Car Modifications
10 Car Accessories That Could Be Dangerous
What makes certain car accessories unsafe (or even illegal)?
Modern Cars Are Kind of Boring. Why Is That?
Can car companies let known defects go without a recall?
Do car interiors turn toxic in the summer?
Making a Car Last for 300,000 Miles Is Totally Possible — Here's How
Are cars designed to fail at a certain point?
Will it hurt to spray electrical contact cleaner in an ignition?
What's the Fastest Car in the World?
Is Your Junk in the Trunk or the 'Frunk'?
The GM Car That Has No Steering Wheel or Pedals
The Long Strange History of License Plates in the U.S.
Do red cars get pulled over more often for speeding?
Are extended car warranties worth it?
8 Signs to Identify Bad Fuel Pump Symptoms
All You Need to Know About Bad Alternator vs Bad Battery
How to Diagnose and Fix a Brake Fluid Leak
How Gas Compression-ignition Engines Work
Did cars ever have external combustion engines?
How does engine placement affect handling?
Diesel Isn't Always a Worse Polluter Than Gasoline
How Coal Rollers Work
How Much Air Pollution Comes From Cars?
10 Cold-weather Motorcycle Accessories
Is all motorcycle apparel made of leather?
What motorcycle accessories will help me stay cool?
How Laser-powered Headlights Work
How Air-Conditioned Seats Work
5 Useful Voice-activated Commands for Your Car
How to Avoid a 'Hurricane Car'
6 Automotive Parts You Can Easily Recycle
10 Places to Look for Classic Car Parts
How Does Vertical Acceleration Work?
How Car Suspensions Work
How Car Steering Works
How Differentials Work
Why the Stick Shift Is Going Extinct
Gas-powered vs. Electric Cars: Which Is Faster?
The Dirty Truth About How Often You Need Your Oil Changed
How to Replace Your Car's Serpentine Belt
Is Your Car Road-trip Ready?
How Many Wheels Are in the World?
Why Do Tires Blow Out More in Summer?
Winter Tires Really Do Make a Difference in the White Stuff
How Automobile Ignition Systems Work
What Is an Ignition Coil?
Can your car tell you when the light's about to change?
Learn More
Explore the reasons behind white smoke from exhaust. Learn about issues, fixes, and expert insights for vehicle health.
Learn about coolant leak causes and solutions. Expert insights for identifying, diagnosing, and fixing coolant leaks.
By HowStuffWorks
Explore power steering fluid leak causes and solutions. Expert insights on detecting, diagnosing, and repairing leaks.
By HowStuffWorks
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Picture this: you’re heading out for an important meeting, and you’re left wondering, “why won’t my car start?” Frustrating, isn’t it? Before you call the mechanic or tow truck, let’s explore some common causes of this problem and how to resolve them. In this blog post, we’ll discuss everything from dead batteries to faulty ignition switches and even unique challenges faced by modern vehicles, all related to the question, “why won’t my car start?”
By HowStuffWorks
Discover bad fuel pump symptoms and expert insights. Learn to identify, diagnose, and address issues for optimal performance.
By HowStuffWorks
Explore transmission fluid leak causes and solutions. Expert insights on identifying, diagnosing, and fixing leaks.
By HowStuffWorks
Explore radiator leak causes and solutions. Expert insights on identifying, diagnosing, and fixing radiator leaks.
By HowStuffWorks
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Discover brake fluid leak causes and solutions. Expert insights on identifying, diagnosing, and fixing brake fluid leaks.
By HowStuffWorks
Explore the contrasts between bad alternator and bad battery. Learn to identify, diagnose, and address issues for optimal performance.
By HowStuffWorks
Identify and tackle bad oxygen sensor symptoms for optimal vehicle performance. Expert insights on diagnosis and solutions.
By HowStuffWorks
The ignition system brings your car’s engine and subsystems together. Learn about the parts of your ignition system and innovations in ignition systems.
By Karim Nice
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If your car persistently pulls you to the side of the road, it may be trying to tell you something. Relax. This simple service shouldn't cost you that much.
Car wheels spin at different speeds, especially when they're turning. So how does the differential help make them turn with such ease?
By Karim Nice & Talon Homer
How many wheels are in the world is a hotly debated question swirling around the internet. But it's not that easy to answer.
How often should you change your oil? If you think it's every 3,000 miles, think again.
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Your car's ignition coil supplies the engine with the high voltages needed to get the car running. But how do you know if the ignition coil is malfunctioning?
By Talon Homer
When license plates were first introduced in the U.S. in 1901, you had to make your own. Nowadays, prisoners make them for you. Yes, it's true. Find out more about this and other strange facts about license plates.
By Talon Homer
Your car's serpentine belt is a single, continuous belt that drives lots of things like the car's alternator and power steering pump. So how do you replace it when it's starting to fail?
Sales of stick shifts are down around the world and even some sports car manufacturers have stopped making them. Still, many zealous auto enthusiasts are doing all they can to keep the old three-pedal motion alive.
By Talon Homer
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If your car is built like a supersonic plane, you can sure reach blazing fast speeds. But what about a car you can actually buy?
By Talon Homer
Frunks, usually reserved for VW Beetles and classic European sports cars, are moving into the mainstream, as trunks take a front seat.
The answer isn't as simple as it seems.
Ever notice you see more tire debris on the side of the road during the hottest months of the summer? Could the heat have anything to do with it?
By Alia Hoyt
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Even if you're not a car enthusiast, you might still want to consider one of these modifications to make your ride the best on the block.
You might think your car is fine for your upcoming summer road trip. But if it's more than 10 years old, you might want to think again.