Auto Parts and Systems

Auto parts and systems are the building blocks that come together to make automobiles function. Understanding how auto parts work together to form automotive systems allows drivers to confidently discuss automotive problems with their mechanics.

Topics to Explore


Learn More / Page 3

Why is there air in my brake lines?

If your brake pedal feels a little soft or squishy, then there's a good chance that you have air in your brake lines. But how could air possibly get into a sealed hydraulic brake system?

Is it possible to increase the towing capacity of a truck?

When the Eagles sang "Take It to the Limit," they weren't referring to your car's towing capacity. There's a rating that defines how much weight your car can handle. Heed this magic number, and you'll be taking it easy on the highway.

Why is my car leaking brake fluid?

Have you ever had to add brake fluid to your vehicle's master cylinder? Did you ever stop to think, why am I adding to a system that supposedly doesn't consume the fluid I pour in?

What happens to a truck if it tows more than its capacity?

You must make sure that your cargo is light enough to tow it safely. You risk transmission damage and traffic accidents when you exceed your vehicle's towing capacity.

How Car Towing Safety Works

Towing a car may look easy, but there are a number of safety considerations you should take into account before you get started. It all depends on how you're towing.

How to Change Brake Pads

Changing the brake pads on your car or truck sounds like a difficult task -- but when you find out how simple it is, you'll wonder why you haven't been doing it yourself all along.

How Brake Light Wiring Works

Getting stuck behind a car with malfunctioning brake lights can be extremely frustrating. But before sounding your horn, consider that the driver might not even realize that his brakes lights are out.

How Brake Calipers Work

The function of a brake caliper is relatively clear -- the caliper forces the brake pads against the rotor to slow or stop the vehicle. But what specific type of caliper does your vehicle need?

5 10,000-Pound Items That Get Towed on a Regular Basis

Heavy-duty items that get towed along roads in your community are limited to huge trucks, right? If you're not aware of your vehicle's towing capacity or of how heavy your innocuous load is, you might heaving a load better left to a semi.

How Backing Plates Work

The next time you slam on your brakes to avoid hitting a cat in the road, you should thank your car's backing plates. These automotive apparatuses keep the entire braking system functioning.

How Brake Pads Work

It's probably a safe bet that every driver on the road knows that their vehicle needs brakes to slow down or stop. But how many know that they have a choice of brake pad material?

How Brake Rotors Work

Most drivers know the brakes on their vehicle have to be properly maintained to remain functional. But how many know that they can select new brake rotors based on the type of driving they do?

How Brake Shims Work

After a night of partying, you drive home and sneak the car in the garage. The only thing that could give you away: noisy brakes. You'll need brake shims to avoid being grounded.

How Brake Upgrades Work

We seek the best that life has to offer: buying first-class plane tickets, staying in the presidential suite, even getting plastic surgery. So why should we treat our brakes any differently?

Advantages and Disadvantages of RV Towing

There's nothing like hitting the wide open road and exploring the country, particularly when your ride sports a cushy crash pad when you're making a 3,000-mile pilgrimage to the Grand Canyon. But what are the drawbacks?

How Trailer Maintenance Works

We've talked about trailer towing, but you also need to maintain it. It's actually pretty easy: Just make sure that you keep it clean and lubricated, and take special care of your tires.

10 Towing Tips

Towing another vehicle isn't easy, but there are some things you can do to make it easier. You might be surprised how simple they are.

How Rigid A-frame Tow Bars Work

You're finally heading out on that long-awaited vacation. You've got your RV and your car packed up. All you need is your rigid A-frame tow bar to connect the two, and you're ready to go.

What are my car towing options?

You have a lot to options to consider when you're towing your car. Do you need an aftermarket braking system or breakaway brakes? What kind of towing suits me best? Do I need practice?

How Horse Trailer Towing Works

It's easy to see horse towing as simply hauling another type of heavy cargo. You'll see just as easily that you must take many factors into consideration when hauling horses to avoid injury.

How Trailer Bearing Protectors Work

Trailer bearing protectors keep trailer hubs clean while keeping grease and other contaminants out, prolonging the life of the trailer bearings and saving you the expense of replacing them every year.

How Flatbed Trailer Towing Works

Flatbed trailers are specially designed to haul extremely large cargo, particularly vehicles. But you could find yourself in trouble if you drive recklessly with badly secured cargo.

Motorcycle and ATV Towing Regulations

It's taken some time, but you've finally learned the ins and outs of towing. Now that you're towing a motorcycle, forget all of them. Motorcycle and ATV towing come with a unique set of regulations and risks.

How RV Towing Regulations Work

You can't wait to head out on that fishing trip in your RV, but you need to figure out some things first. Do you have enough insurance? Do you know the towing laws in each state you'll be driving through?

How Fifth Wheel Safety Systems Work

Safety systems for fifth wheel trailer setups are simple to install and easy to use.