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Wastegate

A turbocharger relief valve to prevent the buildup of too much pressure.

Wastegate Control Solenoid

A solenoid used to control boost output on turbocharged modles of Chrysler vehicles.

Water (H2O)

1. A colorless transparent , odrless, tastless liquid compound of hydrogen and oxygen.

Water Burnout

The application of bleach or water to the rear wheels prior to a burnout to clean, scuff, and heat the tire surfaces for better traction immediately before a drag race.

Water Column

A manometer.

Water Control Valve

A mechanically operated or vacuum-operated shutoff valve that stops the flow of hot water to the heater core.

Water Cooled

Using water as a heat transfer medium.

Water Diverter

A device used to direct the flow of coolant in a head or block.

Water Fade

A brake fade that occurs when water is trapped between the brake linings and the drum or rotor and the coefficient of friction is reduced.

Water Filter

A replaceable filter used to remove impurities from an engine-cooling system.

Water Glass

A common term for sodium silicate.

Water Pump

A device, usually located on the front of the engine and driven by one of the accessory drive belts, that circulates the coolant by causing it to move from the lower radiator-outlet section into the engine by centrifugal action of a finned impeller on the pump shaft.

Water Soluble

Any material that will dissolve in water.

Water Valve

An electrical-, mechanical-, or vacuum-operated device that controls the flow of coolant to the heater core.

Water Wash

The forcing of exhaust air and fumes from a spray booth through water so that the vented air is free of thermal-sprayed particles or fumes.

Water-Cooled System

A term used to identify a liquid cooling system such as one that uses water and antifreeze.

Water-Heated Choke

A bimetallic spring in the choke assembly that opens the throttle valve during warm up when the engine coolant reaches a specific temperature.

Watt

An electrical unit of power; 1 watt equals current (amperes) x voltage 1 watt = 764 hp. Named for James Watt, a Scottish inventor.

Watt's Linkage

A three-bar arrangement of a live or de Dion rear axle to prevent lateral movement.

Wattage

A specific quantity of electrical power.