Motor Car Guide

Water injection In internal combustion engines, water injection, also known as anti-detonant injection, is spraying water into the cylinder or incoming fuel-air mixture to cool ...

How to Replace a car water pump A water pump is a critical part of your car's engine cooling system. Most waters pumps fail in one of two ways, either the input shaft seal fails ...

Watt's linkage explained Watt's linkage (also known as the parallel linkage) is a type of mechanical linkage invented by James Watt (19 January 1736 – 25 August 1819) in which ...

Weight transfer explained Weight transfer and load transfer are two expressions used somewhat confusingly to describe two distinct effects: the change in load borne by different ...

Engine Welch plug The Welch plug,(misnomer: Welsh Plugs), is a thin, domed, disc of ferrous metal which is pushed, convex side out, into against an internal shoulder in the ...

Automobile wet sump A wet sump is a lubricating oil management design for piston engines which uses the crankcase as a built-in reservoir for oil, as opposed to an external or ...

Automotive Car Wheel Bearing A Typical Car Wheel Bearing On most cars whether front or rear wheel drive the hub to which the front wheel is bolted spins on a stub axle. The wheel ...

Automotive Wheel Lug nut History Some cars made prior to about 1960 used left-hand and right-hand screw thread for different sides of the vehicle to prevent loosening. It was ...