A dry sump system alters where oil is stored in a car. More power can be unleashed by rerouting the oil system.
Discover how each part of an automotive exhaust affects engine performance, fuel economy, emissions, and sound.
The camshaft opens and closes the valves, while the crankshaft moves the pistons with the help of connecting rods. See our guide.
The oil pump is an integral part of any car engine, supplying the necessary lubrication needed for the motor to run.
The throttle body and throttle position sensor ensure there’s enough air in the system. Otherwise, performance could suffer.
Engine mounts secure the motor to the vehicle. While engine mounts may be small parts, they prevent severe engine damage.
The engine block is a major component that houses vital motor parts. A cracked engine block can make a vehicle unusable.
The cylinder head is attached to the engine block. If the engine overheats, the cylinder head can crack, leading to expensive repairs.
Read our guide to how a car engine works and types of engines, including gasoline, diesel, hybrid, and electric.
We explain the tools and materials you need—and why a clean engine bay is important.
A bad crankshaft sensor can cause trouble starting the car and other performance issues. Learn how to diagnose a faulty sensor.
Your coolant might be full but the engine still overheats. It’s critical to figure out why the engine is overheating and take action.
The crankshaft converts in-and-out reciprocating movement of the pistons into rotational motion that drives the wheels. Get the details.
See our guide to preventing dry rot on tires with a few steps to protect the rubber. Sidewall weathering is the technical name.
Engine leaks can lead to big repair bills. The easiest way to determine what's leaking is to check the puddle. See our guide.
A portable tire pump inflates a flat and gets you back on the road in minutes. Read our guide for choosing the best one.
When a car won’t start or keep running, either the car battery or alternator might be to blame. Read our guide to figure out which one.
To ensure all air gets out of your brakes, you want to follow proper procedures. Avoid the most common missteps when bleeding brakes.
Driving with foggy headlights can be dangerous. Get rid of the moisture for better visibility by learning how to remove condensation.
A “wheel offset” measures the distance from the wheel’s center line to the mounting surface. Here's what you need to know.
Learn about adjustable trailer brake controllers needed for towing heavy loads. Read about the controller types and how to install one.
