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Introduction: The distributor is the component that transfers the voltage from the ignition coil to the spark plugs. The primary components of the distributor include the rotor and the cap, in which the former spins inside the latter. The cap has the output contacts. The distributor is driven by the engine's camshaft. How does a…

  An alternator converts the engine's mechanical energy into the electrical energy needed to recharge the car's battery. It also supplies voltage to various electrical parts of the vehicle. A voltage regulator maintains a uniform flow of current from the alternator to the vehicle's various electrical parts. While standard alternators are used in mainstream automobiles,…

Effective January 1st, 2009, California enacted a new law that all California vehicles must meet California’s emission standards. If your vehicle was purchased in California anytime on or after said date, your car will not function properly without a California regulated catalytic converter, even if you reside outside of California.     Companies cannot sell…

     The steering system functions to move the automobile's wheels in response to the movement of the steering wheel. The diagram above depicts the basic components of a mechanical steering system. It includes the Pitman arm, idler arm, tie rods and center/drag link. Pitman Arm: The Pitman arm connects the steering box, attached to the…

Introduction An automobile's AC system keeps the passenger cabin cool. The AC system includes components such as the compressor, evaporator, condenser, accumulator and orifice tube. Here, we focus on the working and other aspects of the accumulator and orifice tube. Working The accumulator is a part of the AC system, that is designed to remove…

  The fuel pump assembly in a vehicle is responsible for sending the required amount of fuel at the right pressure and time to the engine. The assembly consists of a few key parts such as the screen filter, fuel pump and fuel pressure regulator. Let us start at the bottom of the unit and…

A cylinder head is usually located on the top of the engine block. It serves as a housing for components such as the intake and exhaust valves, springs and lifters and the combustion chamber. This page covers the main function and various designs of cylinder heads, and their causes and symptoms of failure. The passages…