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How to buy the right car battery

Find out how to choose the right car battery – even before you need a new one.

Continuously variable transmission

Learn about CVTs and their goals of reducing car complication and expenses and providing better fuel economy.

How to properly recycle and dispose of automotive chemicals

Get helpful tips for recycling and disposing of automotive chemicals that every do-it-yourselfer should follow.

Front suspension maintenance and ball joint replacement

Check out eight steps for how to inspect and maintain front suspension and ball joints.

How car brakes work and how to maintain them

Slow down and take a closer look at brakes. Find out about braking system parts and how they work.

How do spark plugs work?

Spark plugs might seem simple, but they serve critical functions. Find out how spark plugs work.

How does an emergency brake work?

Find out how a series of steel cables connected to a hand lever or foot pedal becomes an emergency brake.

How a shock absorber works for trucks and SUVs

Learn more about the different requirements for shock absorbers on trucks and SUVs, such as different hardware for higher loads and forces.

How to rotate tires: Swapping ends

Rotating tires is important for proper car maintenance. Learn how to rotate your tires and about some different tire rotation pattern options.

Nitrogen in tires

Learn about the difference between compressed air- and nitrogen-filled tires and the benefits of nitrogen in tires.

Keeping up with car maintenance

Find tips for routine car maintenance that helps ensure your safety and prevents costly repairs.

Troubleshooting car lighting problems

Learn about how car lighting circuits work, common car taillight and brake light issues, how to troubleshoot car lamp problems and more.

What are run-flat tires?

Run-flat tires are engineered to run without air at speeds up to 50 mph for distances up to 100 miles. Learn more about the types of run-flat tires.

The importance of coolant

Flushing and changing coolant once a year is recommended by manufacturers. See how to do it yourself.

Car maintenance safety tips

Learn about the tools, methods and safety equipment you’ll need before you tackle any DIY car maintenance or repair job.

Engine assembly: Completing the assembly

In this final engine assembly segment, learn about installation of the rocker arm, oil pump, carburetor, intake and more.

First step to engine assembly: Cleanup and prep

Follow this step-by-step guide to car engine assembly, starting with cylinder block preparation.

How to change your car’s motor oil and filter

Changing your oil and filter is crucial for long engine life – and doing it yourself is relatively easy and inexpensive. Learn how.

How to check a wheel alignment

Learn about the factors and specs affecting wheel alignment — such as toe-in, camber and caster — and how to check them.

How to convert an automatic to manual transmission

Want to convert that automatic transmission in your vintage car to a manual? It’s possible to make the switch; find out how with our informative guide to what’s involved.
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