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Engines
The Car Engine Information Channel explores engine performance, maintenance and new fuel technologies. Learn how car engines work. See more »
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.
Engines Exhaust & Emissions Options Steering & Suspension Other Systems Transmissions & Drivetrain Trends Wheels
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Exhaust & Emissions
This section can help you keep your exhaust system working properly. Learn how mufflers, catalytic converters and oxygen sensors work. See more »
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Options
Your car may come with many standard features, but upgrade and accessory options are endless, starting with the windshield wiper blades. See more »
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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 »
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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 »
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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 »
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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 »
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Wheels
How do 30 pounds of air in your tires hold up two tons of car? What’s the technology behind the tire and how do wheels work? Learn it all in the Car Wheels and Tires Channel. See more »
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featured articles
How Tires Work
Are you in the market for a new set of tires? Is all that confusing jargon the tire sales clerks or "experts" are using making your head feel like a tire spinning out of control? Find out all about car tires.
videos: under the hood
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How Camshafts Work
The camshaft has a huge effect on engine performance. It helps let the air/fuel mixture into the engine and get the exhaust out. Learn all about the camshaft and how a new one can radically change an engine's behavior.
How Windshield Wipers Work
What began as a hand-cranked system is now automatic and only getting more so: Some windshield wipers can actually sense rain. Learn the mechanincs behind this essential automotive tool.
